*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-page: #F5F4F1;--bg-surface: #FAFAF8;--bg-editor: #FFFFFF;--border: #E8E3D8;--border-subtle: #DDD4C5;--bg-tint: #F0EFE8;--text-1: #0F0E0D;--text-2: #5A5550;--text-3: #6E665C;--text-4: #857C70;--text-placeholder: #9B9186;--accent: #FF6633;--accent-hover: #E84C1F;--accent-light: #FF8855;--accent-tint: #FFF0E8;--accent-tint-border: #FFD9C0;--accent-active-bg: #FFE8D6;--accent-hover-tint: #FFF7F2;--accent-on-tint: #7C2D12;--accent-secondary: #FF3D8A;--accent-purple: #7C3AED;--badge-purple: #5B21B6;--badge-purple-bg: #E8DEFD;--badge-purple-border:#D9C4F0;--syntax-keyword: #7C3AED;--syntax-fn: #1D4ED8;--syntax-value: #EA580C;--syntax-comment: #B5B4AA;--syntax-linenum: #D8D7CF;--highlight-line: #FEF9F0;--pass-green: #16A34A;--pass-tint: #DCFCE7;--fail-red: #DC2626;--fail-tint: #FEE2E2;--warn-yellow: #A16207;--warn-yellow-hover: #834F06;--warn-tint: #FFE8B3;--warn-tint-light: #FFF6E0;--warn-tint-border: #F0D089;--yellow-bg: #FFFFCC;--yellow-border: #FFFFA6;--yellow-dark: #737300;--yellow-dark-hover: #5C5C00;--submit-green: #15803D;--submit-green-hover: #126A33;--shadow-card: 0 30px 70px -40px rgba(60, 40, 20, .4);--shadow-soft: 0 4px 16px -6px rgba(60, 40, 20, .18);--font-ui: "SF Pro Text", "Inter", system-ui, sans-serif;--font-mono: "SF Mono", "JetBrains Mono", "Fira Code", monospace;--font-heading: "Space Grotesk", "SF Pro Text", "Inter", system-ui, sans-serif;--r-pill: 6px;--r-input: 8px;--r-card: 8px;--r-button: 8px;--r-large: 12px;--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 20px;--space-2xl: 24px;--space-3xl: 32px;--text-xs: 12px;--text-sm: 13px;--text-base: 15px;--text-lg: 16px;--text-xl: 18px;--text-2xl: 20px;--transition-fast: .15s;--transition-normal: .2s;--transition-slow: .3s}body{background:var(--bg-page);color:var(--text-1);font-family:var(--font-ui);font-size:15px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{cursor:pointer;border:none;background:none;font-family:inherit}input,textarea{font-family:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}:focus:not(:focus-visible){outline:none}button:disabled,input:disabled,select:disabled,textarea:disabled{cursor:not-allowed}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--border-subtle)}.error-boundary{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-page);padding:var(--space-3xl)}.error-boundary-card{width:100%;max-width:440px;background:var(--bg-editor);border:1px solid var(--border);border-radius:var(--r-large);padding:var(--space-3xl);text-align:center;box-shadow:0 30px 70px -40px #3c281459}.error-boundary-mark{width:44px;height:44px;margin:0 auto var(--space-lg);display:flex;align-items:center;justify-content:center;background:var(--fail-tint);color:var(--fail-red);border-radius:var(--r-large);font-size:var(--text-2xl);font-weight:800}.error-boundary-title{font-size:var(--text-2xl);font-weight:700;color:var(--text-1);letter-spacing:-.02em;margin-bottom:var(--space-sm)}.error-boundary-msg{font-size:var(--text-sm);color:var(--text-2);line-height:1.55;margin-bottom:var(--space-2xl)}.error-boundary-actions{display:flex;gap:var(--space-sm);justify-content:center}.error-boundary-btn{height:40px;padding:0 var(--space-lg);border-radius:var(--r-button);border:1px solid var(--border-subtle);background:var(--bg-editor);color:var(--text-1);font-size:var(--text-sm);font-weight:600;transition:border-color var(--transition-fast),background var(--transition-fast)}.error-boundary-btn:hover{border-color:var(--accent)}.error-boundary-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.error-boundary-btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.device-gate{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-page);padding:var(--space-3xl)}.device-gate-card{width:100%;max-width:440px;background:var(--bg-editor);border:1px solid var(--border);border-radius:var(--r-large);padding:var(--space-3xl);text-align:center;box-shadow:0 30px 70px -40px #3c281459}.device-gate-mark{width:44px;height:44px;margin:0 auto var(--space-lg);display:flex;align-items:center;justify-content:center;background:var(--accent-tint);color:var(--accent);border-radius:var(--r-large)}.device-gate-mark svg{width:22px;height:22px}.device-gate-title{font-size:var(--text-2xl);font-weight:700;color:var(--text-1);letter-spacing:-.02em;margin-bottom:var(--space-sm)}.device-gate-msg{font-size:var(--text-sm);color:var(--text-2);line-height:1.55;margin-bottom:var(--space-2xl)}.device-gate-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 var(--space-lg);border-radius:var(--r-button);border:1px solid var(--accent);background:var(--accent);color:#fff;font-size:var(--text-sm);font-weight:600;transition:background var(--transition-fast),border-color var(--transition-fast)}.device-gate-btn:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--text-3);font-size:14px;gap:9px}.loading-screen:before{content:"";width:14px;height:14px;border:1.5px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.landing-root{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-page);position:relative;padding:32px}.landing-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(28,26,23,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(28,26,23,.04) 1px,transparent 1px);background-size:56px 56px;pointer-events:none}.landing-card{position:relative;z-index:1;width:100%;max-width:560px;padding:46px;background:var(--bg-editor);border:1px solid var(--border);border-radius:22px;box-shadow:0 30px 70px -40px #3c281459;animation:cardIn .4s cubic-bezier(.16,1,.3,1) both}@keyframes cardIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.landing-brand{display:flex;align-items:center;gap:11px;margin-bottom:30px}.landing-mark{position:relative;width:40px;height:40px;background:var(--accent);border-radius:11px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--font-mono, "JetBrains Mono", monospace);font-size:21px;font-weight:800;box-shadow:0 1px 2px #00000024;flex-shrink:0}.landing-mark:after{content:"";position:absolute;right:8px;top:10px;bottom:10px;width:3px;background:#fff;opacity:.85;animation:brandBlink 1.1s steps(1) infinite}@keyframes brandBlink{50%{opacity:0}}.landing-brandname{font-size:23px;font-weight:800;color:var(--text-1);letter-spacing:-.02em}.landing-brandname b{color:inherit;font-weight:inherit}.landing-headline{margin:0}.landing-kicker{display:block;font-size:21px;font-weight:500;color:var(--text-2);letter-spacing:-.01em;margin-bottom:4px}.landing-big{display:block;font-size:40px;font-weight:800;line-height:1.04;letter-spacing:-.03em;color:var(--text-1)}.landing-sub{font-size:18px;color:var(--text-2);font-weight:500;line-height:1.45;margin:14px 0 0}.landing-field{margin-top:18px;display:flex;flex-direction:column;gap:6px}.landing-label{font-size:13px;font-weight:600;color:var(--text-2)}.landing-input,.landing-select{height:42px;width:100%;border:1px solid var(--border-subtle);border-radius:var(--r-input);padding:0 12px;font-size:14px;color:var(--text-1);background:var(--bg-editor);outline:none;transition:border-color .15s}.landing-input:focus,.landing-select:focus{border-color:var(--accent)}.landing-input::placeholder{color:var(--text-placeholder)}.landing-select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M2 3.5L5 6.5L8 3.5' stroke='%23A0A090' stroke-width='1.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}.landing-cta{width:100%;height:46px;margin-top:28px;border-radius:10px;background:var(--accent);color:#fff;font-weight:600;font-size:15px;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 2px 12px #e8501e57;transition:transform .12s ease,box-shadow .12s ease}.landing-cta svg{width:19px;height:19px;flex-shrink:0}.landing-cta:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 18px #e8501e6b}.landing-cta:active{transform:translateY(0)}.landing-cta:disabled{opacity:.6;cursor:not-allowed}.landing-reassure{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:15px;font-size:13px;font-weight:600;color:var(--text-2)}.landing-reassure svg{width:14px;height:14px;flex-shrink:0}.landing-error{font-size:13px;color:var(--fail-red);margin-top:10px;text-align:center}.auth-google{width:100%;height:46px;margin-top:22px;border-radius:10px;background:var(--bg-editor);border:1px solid var(--border-subtle);color:var(--text-1);font-weight:600;font-size:15px;display:flex;align-items:center;justify-content:center;gap:10px;transition:border-color .15s,box-shadow .15s}.auth-google:hover:not(:disabled){border-color:var(--accent);box-shadow:0 2px 10px #3c28141f}.auth-google:disabled{opacity:.6;cursor:not-allowed}.auth-divider{display:flex;align-items:center;gap:12px;margin:20px 0 4px;color:var(--text-2);font-size:12px;font-weight:600}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-subtle)}.auth-notice{font-size:13px;color:var(--text-2);margin-top:10px;text-align:center}.auth-toggle{display:block;width:100%;margin-top:18px;text-align:center;font-size:13px;font-weight:600;color:var(--text-2);background:transparent}.auth-toggle:hover{color:var(--accent)}.problems-user-email{font-size:13px;font-weight:600;color:var(--text-2);margin-right:4px;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;background:none;border:none;padding:0;font-family:inherit;cursor:pointer;transition:color .15s ease}.problems-user-email:hover{color:var(--text-1)}.auth-card{max-width:440px;padding:40px 40px 34px}.auth-title{margin:0;font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--text-1)}.auth-input-wrap{position:relative;width:100%}.auth-input-wrap .landing-input{padding-right:42px}.auth-eye{position:absolute;top:6px;right:6px;width:30px;height:30px;display:flex;align-items:center;justify-content:center;color:var(--text-placeholder);background:transparent;border-radius:7px;cursor:pointer;transition:color .15s,background .15s}.auth-eye:hover{color:var(--text-1);background:var(--bg-page)}.auth-eye svg{width:17px;height:17px}.landing-input:invalid,.landing-input:-moz-ui-invalid{border-color:var(--border-subtle);box-shadow:none}.landing-input:focus:invalid,.landing-input:focus:-moz-ui-invalid{border-color:var(--accent);box-shadow:none}.landing-input[data-state=valid],.landing-input[data-state=valid]:focus{border-color:#16a34a;box-shadow:none}.landing-input[data-state=invalid],.landing-input[data-state=invalid]:focus{border-color:var(--fail-red);box-shadow:none}.auth-hint{font-size:12px;color:var(--text-2)}.auth-mismatch{font-size:12px;font-weight:600;color:var(--fail-red)}.auth-switch{margin-top:20px;text-align:center;font-size:14px;color:var(--text-2)}.auth-switch a{color:var(--accent);font-weight:700;text-decoration:none}.auth-switch a:hover{text-decoration:underline}.auth-legal{margin-top:16px;text-align:center;font-size:12px;line-height:1.5;color:var(--text-placeholder)}.auth-cta-link{text-decoration:none;margin-top:8px}.auth-check{width:56px;height:56px;margin:6px 0 18px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#e8501e1a;color:var(--accent)}.auth-check svg{width:28px;height:28px}.problems-root{min-height:100vh;background:var(--bg-page);position:relative;padding:36px 32px 60px}.problems-grid-bg{position:fixed;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(28,26,23,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(28,26,23,.04) 1px,transparent 1px);background-size:56px 56px;pointer-events:none}.problems-inner{position:relative;z-index:1;max-width:1400px;margin:0 auto}.problems-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;gap:16px}.problems-brand-row{display:flex;align-items:center;gap:11px;text-decoration:none}.problems-header-right{display:flex;align-items:center;gap:14px}.problems-lang-selector{display:flex;align-items:center;gap:8px;background:var(--bg-editor);border:1px solid var(--border);border-radius:9px;padding:6px 10px 6px 9px}.problems-lang-tick{width:16px;height:16px;flex-shrink:0}.problems-lang-select{font-size:13px;font-weight:500;color:var(--text-1);background:transparent;border:none;outline:none;cursor:pointer;font-family:var(--font-ui);-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:18px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M2 3.5L5 6.5L8 3.5' stroke='%23A0A090' stroke-width='1.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 0px center}.problems-back-btn{display:flex;align-items:center;gap:5px;font-size:13px;font-weight:500;color:var(--text-2);padding:7px 0;transition:color .12s;margin-top:4px;flex-shrink:0}.problems-back-btn:hover{color:var(--accent)}.problems-back-btn svg{width:14px;height:14px}.problems-loading{display:flex;align-items:center;justify-content:center;padding:80px;color:var(--text-3);font-size:14px;gap:10px}.problems-loading:before{content:"";width:14px;height:14px;border:1.5px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.problems-error{text-align:center;color:var(--fail-red);font-size:14px;padding:60px 0}.problems-error-inline{text-align:center;color:var(--fail-red);font-size:13px;margin-top:16px}.problems-layout{display:flex;gap:60px;align-items:flex-start;justify-content:center}.problems-main{min-width:0;flex:0 1 750px;max-width:750px}.problems-sidebar{position:sticky;top:28px;width:300px;flex-shrink:0;background:#ffffffbf;backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);border:1.5px solid var(--border-subtle);border-radius:16px;padding:20px 18px 22px;box-shadow:0 25px 60px -35px #1e140a59,0 0 0 1px #ff663314 inset,inset 0 1px #fffc}.problems-sidebar:before{content:"";display:block;height:2.5px;width:100%;margin-bottom:16px;background:linear-gradient(90deg,var(--accent),var(--accent-light) 40%,transparent 80%);border-radius:2px;opacity:.7;box-shadow:0 0 12px #ff66334d}.sidebar-header{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--text-4);text-transform:uppercase;margin-bottom:14px}.sidebar-pulse{width:6px;height:6px;border-radius:50%;background:var(--accent-hover);box-shadow:0 0 0 3px #e8501e26}.sidebar-title{flex:1}.sidebar-section{margin-bottom:20px}.sidebar-section:last-child{margin-bottom:0}.sidebar-label{font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.09em;color:var(--text-4);margin-bottom:10px;text-transform:uppercase}.sidebar-options{display:flex;flex-direction:column;gap:7px}.sidebar-option{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 12px;border-radius:10px;border:1.5px solid var(--border-subtle);background:var(--bg-editor);font-size:13px;font-weight:600;color:var(--text-1);transition:all .15s ease;cursor:pointer}.sidebar-option:hover{border-color:var(--accent-light);background:var(--accent-tint);box-shadow:0 4px 12px #ff66331f}.sidebar-option.active{border-color:var(--accent);background:var(--accent-tint)}.sidebar-option-left{display:flex;align-items:center;gap:8px}.sidebar-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}.sidebar-dot.easy{background:#16a34a}.sidebar-dot.medium{background:#a16207}.sidebar-dot.hard{background:#dc2626}.sidebar-option-text{text-transform:capitalize}.sidebar-badge{font-family:var(--font-mono);font-size:11px;font-weight:800;color:var(--text-2);background:var(--bg-tint);padding:2px 8px;border-radius:999px;min-width:22px;text-align:center;letter-spacing:.05em}.sidebar-badge.active{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;font-weight:800;box-shadow:0 4px 12px #ff66334d}.sidebar-company-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.sidebar-company{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 11px;border-radius:10px;border:1.5px solid var(--border-subtle);background:var(--bg-editor);font-size:12.5px;font-weight:600;color:var(--text-1);transition:all .15s ease;cursor:pointer}.sidebar-company:hover{border-color:var(--accent-light);background:var(--accent-hover-tint);box-shadow:0 3px 10px #ff66331a}.sidebar-company.active{border-color:var(--accent);background:var(--accent-active-bg)}.sidebar-company .company-count{font-family:var(--font-mono);font-size:10px;font-weight:700;color:var(--text-4);padding:1px 6px;background:transparent;border-radius:999px;min-width:16px;text-align:center;flex-shrink:0}.sidebar-clear{width:100%;text-align:center;font-family:var(--font-mono);font-size:11px;font-weight:800;color:var(--accent);letter-spacing:.06em;background:none;border:none;padding:12px 0 0;margin-top:8px;cursor:pointer;transition:all .12s ease;text-transform:uppercase}.sidebar-clear:hover{color:var(--accent-hover)}.problems-count{font-size:12px;color:var(--text-3);margin-bottom:8px}.problems-list{display:flex;flex-direction:column;gap:10px}.problem-card{background:var(--bg-editor);border:1.5px solid var(--border);border-radius:14px;padding:20px 22px;display:flex;align-items:center;gap:20px;animation:cardIn .4s cubic-bezier(.16,1,.3,1) both;transition:all .18s ease}.problem-card:hover{border-color:var(--accent-light);box-shadow:0 8px 28px -10px #ff663340,0 0 0 1px #ff663314 inset;transform:translateY(-2px)}.problem-card-main{flex:1;min-width:0}.problem-card-title{font-size:16px;font-weight:700;color:var(--text-1);letter-spacing:-.01em;margin-bottom:6px}.problem-card-meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:7px}.diff-badge{display:inline-flex;padding:4px 10px;border-radius:var(--r-pill);font-size:10px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;line-height:1;font-family:var(--font-mono)}.diff-badge.easy{background:#d1f7e5;color:#0d7c3e;border:1px solid #A8E6D0}.diff-badge.medium{background:#ffe8b3;color:#7d4a00;border:1px solid #FFD699}.diff-badge.hard{background:#ffd9d9;color:#a51c1c;border:1px solid #FFC4C4}.tag-pill{display:inline-flex;padding:3px 8px;background:var(--bg-tint);border-radius:var(--r-pill);font-size:11px;font-weight:600;color:var(--text-2);border:1px solid var(--border-subtle);letter-spacing:.02em}.company-pill{display:inline-flex;padding:3px 9px;background:var(--badge-purple-bg);border-radius:var(--r-pill);font-size:11px;font-weight:700;color:var(--badge-purple);border:1px solid var(--badge-purple-border);letter-spacing:.02em}.problem-card-desc{font-size:13px;color:var(--text-2);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.problem-card-right{display:flex;flex-direction:column;align-items:flex-end;gap:10px;flex-shrink:0;width:84px}.problem-parts-label{font-size:12px;color:var(--text-3);white-space:nowrap}.problem-solve-btn{display:flex;align-items:center;justify-content:center;gap:4px;width:100%;padding:6px 10px;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;border-radius:8px;font-size:12px;font-weight:700;white-space:nowrap;letter-spacing:.02em;transition:all .18s ease;box-shadow:0 4px 16px #ff663359,0 0 0 1px #f633 inset}.problem-solve-btn:hover:not(:disabled){background:linear-gradient(135deg,var(--accent-hover),var(--accent));transform:translateY(-2px);box-shadow:0 8px 24px #ff663373,0 0 0 1px #ff663340 inset}.problem-solve-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.problem-btn-spinner{width:12px;height:12px;border:1.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}.helm-root{display:flex;flex-direction:column;height:100vh;overflow:hidden;background:var(--bg-page)}.top-bar{display:flex;align-items:center;justify-content:space-between;height:46px;padding:0 14px;background:var(--bg-surface);border-bottom:1px solid var(--border);flex-shrink:0;gap:10px}.top-left{display:flex;align-items:center;gap:8px;min-width:0;flex-shrink:0}.topbar-brand{display:flex;align-items:center;gap:8px;text-decoration:none}.top-left .landing-mark{width:26px;height:26px;border-radius:8px;font-size:15px;box-shadow:0 1px 2px #0000001f}.top-left .landing-mark:after{right:5px;top:6px;bottom:6px;width:2px}.top-left .landing-brandname{font-size:16px;white-space:nowrap}.top-center{display:flex;align-items:center;gap:7px;flex:1;justify-content:center;min-width:0}.top-problem-title{font-size:14px;color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:420px}.timer-pill{display:flex;align-items:center;gap:5px;background:var(--accent-tint);border:1px solid var(--accent-tint-border);border-radius:var(--r-pill);padding:3px 9px;font-family:var(--font-mono);font-size:13px;color:var(--accent);letter-spacing:.08em;font-variant-numeric:tabular-nums;white-space:nowrap}.timer-pill.paused{opacity:.55}.top-icon-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid transparent;border-radius:var(--r-pill);color:var(--text-placeholder);font-size:13px;line-height:1;transition:color .12s,background .12s,border-color .12s}.top-icon-btn:hover{color:var(--text-2);background:var(--bg-editor);border-color:var(--border)}.top-right{display:flex;align-items:center;gap:7px;width:222px;justify-content:flex-end;flex-shrink:0}.lang-pill{display:flex;align-items:center;gap:4px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--r-pill);padding:3px 9px;font-size:13px;color:var(--text-2);white-space:nowrap}.lang-chevron{font-size:10px;color:var(--text-3)}.run-split{position:relative;display:flex;align-items:stretch;border-radius:7px;overflow:visible}.btn-run-primary{display:flex;align-items:center;gap:5px;background:var(--accent);color:#fff;border-radius:7px 0 0 7px;padding:6px 13px;font-size:14px;font-weight:500;letter-spacing:.01em;transition:background .12s;white-space:nowrap}.run-split:has(.btn-run-chevron) .btn-run-primary{border-right:1px solid rgba(255,255,255,.28)}.btn-run-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-run-primary:disabled{opacity:.5;cursor:not-allowed}.run-play{font-size:13px}.run-spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn-run-chevron{display:flex;align-items:center;justify-content:center;background:var(--accent);color:#ffffffd9;border-radius:0 7px 7px 0;width:36px;font-size:14px;transition:background .12s;line-height:1}.btn-run-chevron:hover:not(:disabled){background:var(--accent-hover);color:#fff}.btn-run-chevron:disabled{opacity:.5;cursor:not-allowed}.btn-run-chevron.open{background:var(--accent-hover);color:#fff}.run-dropdown{position:absolute;top:calc(100% + 6px);right:0;min-width:220px;background:var(--bg-editor);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px #0000001f;z-index:200;overflow:hidden}.run-dropdown-item{display:flex;align-items:baseline;gap:6px;width:100%;padding:11px 16px;text-align:left;transition:background .1s;border-bottom:1px solid var(--border)}.run-dropdown-item:last-child{border-bottom:none}.run-dropdown-item:hover,.run-dropdown-item.active{background:var(--bg-tint)}.run-opt-label{font-size:15px;font-weight:500;color:var(--text-1);white-space:nowrap}.run-opt-file{font-size:13px;font-weight:400;color:var(--text-3);white-space:nowrap}.main-layout{display:flex;flex:1;min-height:0;overflow:hidden}.resizer{width:3px;flex-shrink:0;background:var(--border);cursor:col-resize;transition:background .15s}.resizer:hover{background:var(--accent)}.panel-left{flex-shrink:0;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-surface);border-right:1px solid var(--border)}.sidebar{flex:1;overflow-y:auto;padding:8px 0 6px;position:relative}.sidebar-file{display:flex;align-items:center;gap:7px;width:100%;padding:5px 10px;background:transparent;border:none;border-left:2px solid transparent;font-size:14px;color:var(--text-2);text-align:left;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:var(--font-ui);transition:color .1s,background .1s}.sidebar-file:hover{color:var(--text-2);background:#ea580c0a}.sidebar-file.active{background:var(--accent-tint);color:var(--text-1);border-left-color:var(--accent);font-weight:500}.sidebar-group{display:flex;flex-direction:column}.sidebar-dir-header{padding:8px 10px 2px;font-size:13px;color:var(--text-3);font-family:var(--font-ui);-webkit-user-select:none;user-select:none;letter-spacing:.01em}.sidebar-file.indented{padding-left:20px}.sidebar-file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.editor-col{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg-editor);overflow:hidden}.editor-wrapper{display:flex;flex-direction:column;height:100%}.editor-tab-bar{display:flex;align-items:stretch;background:var(--bg-surface);border-bottom:1px solid var(--border);height:36px;flex-shrink:0;overflow:hidden}.editor-tab{display:flex;align-items:center;gap:6px;padding:0 13px;font-size:14px;font-weight:400;color:var(--text-3);background:var(--bg-surface);border:none;border-right:1px solid var(--border);cursor:pointer;white-space:nowrap;transition:color .1s;position:relative;font-family:var(--font-ui);flex-shrink:0}.editor-tab:hover{color:var(--text-2)}.editor-tab.active{background:var(--bg-editor);color:var(--text-1);font-weight:500;border-top:1px solid var(--border);border-left:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--bg-editor);margin-bottom:-1px;z-index:1}.tab-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}.tab-overflow-pill{display:flex;align-items:center;gap:4px;margin:auto 6px auto auto;padding:3px 8px;background:var(--accent-tint);border:1px solid var(--accent-tint-border);border-radius:var(--r-pill);font-size:12px;color:var(--accent);cursor:pointer;white-space:nowrap;font-family:var(--font-ui);flex-shrink:0}.editor-body{flex:1;min-height:0}.symbol-jump-highlight{background:var(--accent-active-bg);transition:background 1.2s ease-out}.panel-right{flex-shrink:0;display:flex;flex-direction:column;overflow:hidden;border-left:1px solid var(--border)}.right-col{display:flex;flex-direction:column;height:100%;background:var(--bg-surface)}.right-tabs{display:flex;background:var(--bg-surface);border-bottom:1px solid var(--border);flex-shrink:0}.rtab{flex:1;display:flex;align-items:center;justify-content:center;padding:9px 4px;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--text-3);font-size:13px;font-weight:700;cursor:pointer;transition:color .1s;font-family:var(--font-ui);letter-spacing:.01em}.rtab:hover{color:var(--text-2)}.rtab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:700}.right-body{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}.instructions-panel{flex:1;overflow-y:auto;padding:16px 16px 24px}.instr-header{display:flex;align-items:baseline;flex-wrap:wrap;column-gap:10px;row-gap:4px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--border)}.instr-title{font-size:15px;font-weight:600;color:var(--text-1);line-height:1.4}.instr-subtitle{font-size:12.5px;font-style:italic;color:var(--text-3);line-height:1.4}.instr-difficulty{display:inline-flex;padding:2px 8px;background:var(--accent-tint);border:1px solid var(--accent-tint-border);border-radius:var(--r-pill);font-size:12px;font-weight:500;color:var(--accent);letter-spacing:.03em;text-transform:uppercase;margin-left:auto}.md p{font-size:13px;color:var(--text-3);line-height:1.7;margin-bottom:10px}.md strong{color:var(--text-2);font-weight:700}.md h2{font-size:14px;font-weight:700;color:var(--text-2);margin:22px 0 9px;padding-top:16px;border-top:1px solid var(--border);line-height:1.4}.md h2:first-child{margin-top:0;padding-top:0;border-top:none}.md h3{font-size:13px;font-weight:600;color:var(--text-2);margin:14px 0 6px}.md ul{padding-left:18px;margin:4px 0 16px}.md li{font-size:13px;color:var(--text-3);margin-bottom:8px;line-height:1.7}.md li::marker{color:var(--text-4)}.md li:last-child{margin-bottom:0}.md ul:has(>li.li-def){list-style:none;padding:2px 12px;margin:4px 0 18px;border:1px solid var(--border);border-radius:var(--r-card);background:var(--bg-editor)}.md ul:has(>li.li-def)>li{display:flex;flex-wrap:wrap;column-gap:6px;align-items:baseline;padding:8px 0;margin:0;border-bottom:1px solid var(--border);line-height:1.55}.md ul:has(>li.li-def)>li:last-child{border-bottom:none}.constraints-table{background:var(--bg-editor);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;margin:10px 0}.constraints-row{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;border-bottom:1px solid var(--bg-tint);font-size:13px;gap:8px}.constraints-row:last-child{border-bottom:none}.constraints-label{color:var(--text-2);white-space:nowrap}.constraints-value{font-family:var(--font-mono);font-size:12px;color:var(--syntax-fn);text-align:right}.code-block{background:var(--bg-page);border:1px solid var(--border);border-radius:var(--r-card);padding:10px 12px;overflow-x:auto;margin:7px 0;font-family:var(--font-mono);font-size:12px;color:var(--text-1);line-height:1.6}.inline-code{background:var(--bg-tint);border-radius:3px;padding:1px 5px;font-family:var(--font-mono);font-size:12px;color:var(--syntax-fn)}.inline-code.sym-link{cursor:pointer}.inline-code.sym-link:hover{background:var(--accent-tint);color:var(--accent-hover)}.inline-code.sym-link-miss{animation:sym-link-miss .4s ease}@keyframes sym-link-miss{25%{transform:translate(-3px)}75%{transform:translate(3px)}}.output-panel{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column}.output-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px;flex-shrink:0;padding:2px 0}.output-header-label{font-size:13px;font-weight:500;color:var(--text-1)}.output-count{font-size:12px;color:var(--text-3)}.test-list{display:flex;flex-direction:column;gap:5px}.test-card{background:var(--bg-editor);border:1px solid var(--border);border-radius:var(--r-card);padding:7px 10px;display:flex;align-items:center;gap:8px}.test-icon{width:16px;height:16px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:11px;flex-shrink:0;line-height:1}.test-icon.pass{background:var(--pass-tint);color:var(--pass-green)}.test-icon.fail{background:var(--fail-tint);color:var(--fail-red)}.test-icon.pending{background:var(--bg-tint);color:var(--text-3)}.test-name{flex:1;font-size:13px;color:var(--text-1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.test-duration{font-family:var(--font-mono);font-size:12px;color:var(--text-3);flex-shrink:0}.test-error{background:#fef2f2;border:1px solid #FECACA;border-radius:var(--r-card);padding:8px 10px;font-family:var(--font-mono);font-size:12px;color:var(--fail-red);white-space:pre-wrap;word-break:break-all;line-height:1.55;margin-top:-3px}.output-raw-wrap{flex:1;overflow-y:auto}.output-pre{font-family:var(--font-mono);font-size:13px;color:var(--text-1);white-space:pre-wrap;line-height:1.65}.output-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;min-height:100px;color:var(--text-placeholder);font-size:14px;gap:6px;text-align:center}.output-running{display:flex;align-items:center;gap:10px;color:var(--text-2);font-size:14px;padding:24px 16px}.output-spinner{width:14px;height:14px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}.output-elapsed{margin-left:auto;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}.output-running-bar{display:flex;align-items:center;gap:6px;padding:6px 16px;background:var(--bg-tint);border-bottom:1px solid var(--border);font-size:12px;color:var(--text-3)}.output-spinner-sm{width:10px;height:10px;border:1.5px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}.chat-panel{display:flex;flex-direction:column;height:100%;min-height:0;overflow:hidden}.chat-messages{flex:1;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:10px}.chat-msg-row{display:flex;gap:7px;animation:msgIn .18s ease both}.chat-msg-row.user{flex-direction:row-reverse}@keyframes msgIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.chat-avatar{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:500;flex-shrink:0;margin-top:2px;font-family:var(--font-ui);letter-spacing:0}.chat-avatar.user-av{background:var(--bg-tint);color:var(--text-2)}.chat-avatar.ai-av{background:var(--accent-tint);border:1px solid var(--accent-tint-border);color:var(--accent)}.chat-msg-body{display:flex;flex-direction:column;max-width:85%}.chat-msg-row.user .chat-msg-body{align-items:flex-end}.chat-bubble{padding:8px 10px;border-radius:8px;font-size:14px;line-height:1.55}.chat-bubble.user-bubble{background:var(--accent-tint);border:1px solid var(--accent-tint-border);color:var(--accent-on-tint);border-bottom-right-radius:3px}.chat-bubble.ai-bubble{background:var(--bg-editor);border:1px solid var(--border);color:var(--text-1);border-bottom-left-radius:3px}.chat-bubble .md p{font-size:14px;line-height:1.55;margin-bottom:4px}.chat-bubble.user-bubble .md p{color:var(--accent-on-tint)}.chat-bubble.ai-bubble .md p{color:var(--text-1)}.chat-bubble .md strong{font-weight:500}.chat-bubble.user-bubble .md strong{color:var(--accent-on-tint)}.chat-bubble.ai-bubble .md strong{color:var(--text-1)}.chat-bubble .md h2{font-size:15px;font-weight:500;margin:10px 0 4px;line-height:1.3}.chat-bubble .md h3{font-size:14px;font-weight:500;margin:8px 0 3px;line-height:1.3}.chat-bubble.user-bubble .md h2,.chat-bubble.user-bubble .md h3{color:var(--accent-on-tint)}.chat-bubble.ai-bubble .md h2,.chat-bubble.ai-bubble .md h3{color:var(--text-1)}.chat-bubble .md hr{border:none;border-top:1px solid;margin:8px 0}.chat-bubble.user-bubble .md hr{border-color:var(--accent-tint-border)}.chat-bubble.ai-bubble .md hr{border-color:var(--border)}.chat-bubble.user-bubble .code-block{background:#7c2d120d;border-color:var(--accent-tint-border);color:var(--accent-on-tint)}.chat-bubble .inline-code{background:var(--bg-tint);color:var(--syntax-fn);border-radius:3px;padding:1px 4px;font-family:var(--font-mono);font-size:12px}.chat-bubble .code-block{margin:5px 0;font-size:12px;padding:7px 9px;border-radius:var(--r-pill)}.chat-ts{font-size:11px;color:var(--text-placeholder);margin-top:3px;font-family:var(--font-mono);padding:0 2px}.chat-msg-row.user .chat-ts{text-align:right}.typing-dots{display:flex;gap:4px;padding:4px 2px}.typing-dots span{width:5px;height:5px;border-radius:50%;background:var(--text-3);animation:typePulse 1.2s ease-in-out infinite}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typePulse{0%,to{opacity:.25;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}.chat-context-bar{display:flex;flex-direction:column;gap:6px;padding:8px 10px;border-top:1px solid var(--border);background:var(--bg-surface);flex-shrink:0}.chat-file-strip{display:flex;align-items:center;gap:8px;padding:9px 12px;border-bottom:1px solid var(--border);background:var(--bg-surface);flex-shrink:0}.chat-file-chip{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;background:var(--bg-tint);border:1px solid var(--border-subtle);border-radius:var(--r-pill);font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.02em;color:var(--text-2);white-space:nowrap}.chat-file-dot{width:6px;height:6px;border-radius:50%;background:var(--badge-purple);flex-shrink:0}.chat-file-chip-empty{font-weight:500;color:var(--text-4)}.chat-file-chip-empty .chat-file-dot{background:var(--text-4)}.chat-file-strip-label{font-size:12px;color:var(--text-4)}.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px 16px}.chat-empty-brand{display:flex;align-items:center;gap:8px;margin-bottom:16px}.chat-empty-brand .landing-mark{width:30px;height:30px;border-radius:8px;font-size:15px}.chat-empty-brand .landing-mark:after{right:6px;top:8px;bottom:8px;width:2px}.chat-empty-brand .landing-brandname{font-size:16px}.chat-empty-title{font-size:16px;font-weight:700;color:var(--text-1);margin-bottom:8px}.chat-empty-body{font-size:13px;line-height:1.55;color:var(--text-3);max-width:280px;margin-bottom:20px}.chat-empty-suggestions{display:flex;flex-direction:column;gap:8px;width:100%;max-width:320px}.chat-suggestion-btn{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;background:var(--bg-editor);border:1px solid var(--border);border-radius:var(--r-pill);font-size:13px;font-weight:500;color:var(--text-1);text-align:left;cursor:pointer;transition:border-color .12s,background .12s}.chat-suggestion-btn svg{flex-shrink:0;color:var(--text-4);transition:color .12s}.chat-suggestion-btn:hover:not(:disabled){border-color:var(--accent);background:var(--accent-hover-tint)}.chat-suggestion-btn:hover:not(:disabled) svg{color:var(--accent)}.chat-suggestion-btn:disabled{opacity:.5;cursor:not-allowed}.chat-footer-note{display:flex;align-items:flex-start;gap:6px;padding:9px 12px;border-top:1px solid var(--border);background:var(--bg-surface);font-size:11px;line-height:1.45;color:var(--text-3);flex-shrink:0}.chat-footer-note svg{flex-shrink:0;margin-top:1.5px;color:var(--text-4)}.chat-input-row{border-top:1px solid var(--border);padding:9px 10px;flex-shrink:0;background:var(--bg-surface);display:flex;align-items:flex-end;gap:7px}.chat-input-field{flex:1;background:var(--bg-editor);border:1px solid var(--border-subtle);border-radius:var(--r-input);padding:7px 10px;font-size:13px;color:var(--text-1);resize:none;outline:none;line-height:1.5;min-height:32px;max-height:90px;transition:border-color .15s}.chat-input-field:focus{border-color:var(--accent)}.chat-input-field::placeholder{color:var(--text-placeholder)}.chat-send-btn{width:26px;height:26px;background:var(--accent);border-radius:7px;display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;flex-shrink:0;transition:background .12s;border:none;font-size:15px;line-height:1}.chat-send-btn:hover:not(:disabled){background:var(--accent-hover)}.chat-send-btn:disabled{opacity:.45;cursor:not-allowed}.chat-ai-header{display:flex;align-items:center;justify-content:space-between;padding:0 12px;height:38px;border-bottom:1px solid var(--border);background:var(--bg-surface);flex-shrink:0}.chat-ai-title{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-2)}.chat-ai-controls{display:flex;align-items:center;gap:6px}.model-select{font-size:13px;border:1px solid var(--border);border-radius:6px;padding:3px 26px 3px 8px;background:var(--bg-editor);color:var(--text-1);cursor:pointer;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M2 3.5L5 6.5L8 3.5' stroke='%23A0A090' stroke-width='1.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 7px center;transition:border-color .12s}.model-select:hover{border-color:var(--accent)}.model-select:focus{border-color:var(--accent)}.chat-clear-btn{width:26px;height:26px;border-radius:6px;border:1px solid var(--border);background:transparent;color:var(--text-3);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .12s;flex-shrink:0}.chat-clear-btn:hover{border-color:var(--fail-red);color:var(--fail-red);background:var(--fail-tint)}.timer-group{position:fixed;bottom:24px;left:24px;z-index:200;display:flex;flex-direction:column;align-items:center;gap:6px;-webkit-user-select:none;user-select:none}.timer-card{opacity:0;pointer-events:none;transform:translateY(6px);transition:opacity .18s,transform .18s;background:var(--bg-editor);border:1px solid var(--border);border-radius:var(--r-card);padding:4px;white-space:nowrap}.timer-group:hover .timer-card{opacity:1;pointer-events:auto;transform:translateY(0)}.timer-ctrl-row{display:flex;flex-direction:column;min-width:80px}.timer-ctrl-btn{font-size:12px;font-weight:500;color:var(--text-2);padding:6px 12px;border-radius:5px;text-align:left;transition:color .12s,background .12s;cursor:pointer;width:100%}.timer-ctrl-btn:hover{color:var(--accent);background:var(--accent-tint)}.timer-ctrl-divider{display:none}.timer-preset-row{display:flex;flex-direction:column;min-width:80px}.timer-preset-btn{font-size:12px;font-weight:500;color:var(--text-2);padding:6px 12px;border-radius:5px;text-align:left;transition:color .12s,background .12s;cursor:pointer;width:100%}.timer-preset-btn:hover,.timer-preset-btn.active{color:var(--accent);background:var(--accent-tint)}.timer-bubble{width:72px;height:72px;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative}.timer-bubble-svg{position:absolute;top:0;right:0;bottom:0;left:0}.timer-ring-track{fill:none;stroke:var(--border);stroke-width:2.5}.timer-ring-fill{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;transition:stroke-dashoffset .9s linear,stroke .3s;animation:ringBreath 3s ease-in-out infinite}@keyframes ringBreath{0%,to{opacity:1}50%{opacity:.6}}.timer-bubble.paused .timer-ring-fill{stroke:var(--text-3);animation:none;opacity:.45}.timer-bubble.time-up .timer-ring-fill{stroke:var(--fail-red);animation:none}.timer-bubble-time{position:relative;font-family:var(--font-mono);font-size:13px;font-weight:500;color:var(--text-1);letter-spacing:.04em;font-variant-numeric:tabular-nums;transition:color .2s}.timer-bubble.paused .timer-bubble-time{color:var(--text-3)}.timer-bubble.time-up .timer-bubble-time{color:var(--fail-red)}.timer-start-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:300;animation:fadeIn .25s ease-out;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.timer-start-overlay.transitioning{animation:fadeOut .8s ease-in forwards}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes moveToCorner{0%{transform:translate(0) scale(1)}to{transform:translate(calc(-50vw + 60px),calc(50vh - 60px)) scale(1)}}.timer-start-container{background:var(--bg-editor);border:1px solid var(--border);border-radius:20px;padding:32px 44px 28px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;max-width:420px;box-shadow:var(--shadow-card);animation:slideUp .35s cubic-bezier(.16,1,.3,1)}.timer-start-container.moving{animation:moveToCorner .8s ease-in-out forwards;position:fixed;padding:0;max-width:none;border:none;background:transparent;box-shadow:none;gap:0;top:50%;left:50%}@keyframes slideUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.timer-start-header{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}.timer-start-title{font-family:var(--font-heading);font-size:22px;font-weight:700;color:var(--text-1);line-height:1.3;letter-spacing:-.01em;max-width:320px;width:fit-content;text-wrap:balance}.timer-start-time-big{font-family:var(--font-heading);font-size:72px;font-weight:700;color:var(--text-1);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1}.timer-start-btn{height:46px;padding:0 22px;border-radius:var(--r-button);background:var(--accent);color:#fff;border:none;font-size:15px;font-weight:600;letter-spacing:-.01em;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast);box-shadow:0 2px 12px #e8501e57}.timer-start-btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 18px #e8501e6b}.timer-start-btn:active{transform:translateY(0)}.submit-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:300;animation:fadeIn .25s ease-out;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.confetti-canvas{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:1}.fb-card{position:relative;z-index:2;width:500px;max-width:90vw;max-height:88vh;overflow:hidden;background:var(--bg-editor);border:1px solid var(--border);box-shadow:var(--shadow-card);border-radius:20px;display:flex;flex-direction:column;animation:slideUp .35s cubic-bezier(.16,1,.3,1)}.submit-running{text-align:center;min-height:160px;padding:34px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px}.submit-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}.submit-word{font-family:var(--font-heading);font-size:26px;font-weight:700;color:var(--text-1);letter-spacing:-.01em}.fb-header{flex-shrink:0;padding:30px 34px 16px}.fb-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.fb-title{font-size:22px;font-weight:700;letter-spacing:-.02em;color:var(--text-1)}.fb-badge{font-family:var(--font-mono);font-size:12px;font-weight:700;border:1px solid transparent;padding:5px 11px;border-radius:999px;white-space:nowrap}.fb-badge.pass{background:var(--pass-tint);color:var(--pass-green);border-color:var(--pass-green)}.fb-badge.partial{background:var(--warn-tint);color:var(--warn-yellow);border-color:var(--warn-yellow)}.fb-badge.fail{background:var(--fail-tint);color:var(--fail-red);border-color:var(--fail-red)}.fb-summary{display:flex;align-items:center;gap:14px;margin-bottom:20px}.fb-stats{flex:1;display:flex;gap:8px;min-width:0}.fb-stat{flex:1;min-width:0;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow-soft);padding:9px 6px;text-align:center}.fb-stat-value{font-family:var(--font-heading);font-size:16px;font-weight:700;color:var(--text-1);text-transform:capitalize;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fb-stat-label{font-size:10px;color:var(--text-4);font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-top:2px}.fb-feedback-title{display:flex;align-items:baseline;justify-content:space-between;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text-4)}.fb-feedback-count{font-weight:600;letter-spacing:.02em;text-transform:none;color:var(--text-4);opacity:.8}.fb-list{display:flex;flex-direction:column;gap:8px;margin-top:10px}.fb-item{display:flex;gap:10px;padding:11px 12px;border-radius:var(--r-card);border:1px solid var(--border);background:var(--bg-surface);align-items:flex-start}.fb-item-icon{width:22px;height:22px;border-radius:var(--r-pill);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;border:none}.fb-item-icon.pass{background:var(--pass-green)}.fb-item-icon.warn{background:var(--warn-yellow)}.fb-item-icon.info{background:var(--accent-purple)}.fb-item-text{font-size:13px;line-height:1.5;color:var(--text-1);padding-top:1px}.submit-feedback-empty{background:var(--bg-surface);border:2px dashed var(--border);border-radius:12px;padding:24px;text-align:center;display:flex;flex-direction:column;gap:8px;align-items:center}.submit-feedback-empty-icon{font-size:28px}.submit-feedback-empty-text{font-size:13px;color:var(--text-2)}.fb-scroll-wrap{position:relative;flex:1 1 auto;min-height:0;display:flex;flex-direction:column}.fb-scroll{flex:1 1 auto;min-height:0;overflow-y:auto;padding:0 34px 18px;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.fb-scroll::-webkit-scrollbar{width:8px}.fb-scroll::-webkit-scrollbar-track{background:transparent}.fb-scroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:999px}.fb-scroll::-webkit-scrollbar-thumb:hover{background:var(--text-4)}.fb-fade{position:absolute;left:0;right:0;height:28px;pointer-events:none;opacity:0;transition:opacity .15s ease;z-index:3}.fb-fade-top{top:0;background:linear-gradient(to bottom,var(--bg-editor),transparent)}.fb-fade-bottom{bottom:0;background:linear-gradient(to top,var(--bg-editor),transparent)}.fb-fade.visible{opacity:1}.fb-scroll-hint{position:absolute;bottom:8px;left:50%;transform:translate(-50%);background:var(--bg-editor);border:1px solid var(--border);color:var(--text-4);font-size:10px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:999px;box-shadow:var(--shadow-soft);pointer-events:none;z-index:4;animation:fbHintBounce 1.6s ease-in-out infinite}@keyframes fbHintBounce{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(3px)}}.fb-footer{flex-shrink:0;padding:14px 34px 28px;border-top:1px solid var(--border)}.fb-done-btn{width:100%;height:46px;border-radius:var(--r-button);font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;color:#fff;background:var(--accent);border:none;box-shadow:0 2px 12px #e8501e57;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.fb-done-btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 18px #e8501e6b}.fb-done-btn:active{transform:translateY(0)}.fb-ring{position:relative;width:72px;height:72px;flex-shrink:0}.fb-ring svg{transform:rotate(-90deg)}.fb-ring-track{fill:none;stroke:var(--border);stroke-width:7}.fb-ring-fill{fill:none;stroke-width:7;stroke-linecap:round;stroke:var(--pass-green);transition:stroke-dashoffset .6s cubic-bezier(.16,1,.3,1)}.fb-ring-center{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.fb-ring-pct{font-family:var(--font-heading);font-size:14px;font-weight:800;color:var(--text-1);letter-spacing:-.01em}.btn-submit{padding:6px 14px;border-radius:var(--r-button);background:var(--submit-green);color:#fff;font-weight:600;font-size:14px;border:none;letter-spacing:.01em;cursor:pointer;transition:background var(--transition-fast);margin-left:12px;white-space:nowrap;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;gap:5px}.submit-icon{font-size:13px;display:inline-flex;align-items:center;justify-content:center}.btn-submit:hover:not(:disabled){background:var(--submit-green-hover)}.btn-submit:disabled{opacity:.5;cursor:not-allowed}.topbar-back-btn{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;margin-left:62px;border:1px solid var(--border);border-radius:var(--r-button);background:transparent;color:var(--text-1);font-size:12.5px;font-weight:600;cursor:pointer;transition:background var(--transition-fast);flex-shrink:0}.topbar-back-btn:hover{background:var(--accent-hover-tint)}.topbar-back-btn svg{width:14px;height:14px}.problem-resume-btn{display:flex;align-items:center;justify-content:center;gap:4px;width:100%;padding:6px 10px;background:var(--bg-surface);color:var(--text-1);border:1px solid var(--border);border-radius:8px;font-size:12px;font-weight:700;white-space:nowrap;letter-spacing:.02em;cursor:pointer;transition:all .18s ease}.problem-resume-btn:hover{border-color:var(--accent-light);background:var(--accent-hover-tint);transform:translateY(-1px)}.problem-resume-btn svg{flex-shrink:0}.problem-card.attempted{border-left:3px solid var(--accent-light)}.problems-avatar-btn{display:inline-flex;padding:0;border:none;background:none;cursor:pointer;border-radius:50%;line-height:0}.problems-avatar-btn:hover .user-avatar-img,.problems-avatar-btn:hover .user-avatar-fallback{box-shadow:0 0 0 2px var(--accent-light)}.user-avatar-img{border-radius:50%;object-fit:cover;display:block;border:1px solid var(--border);transition:box-shadow .15s ease}.user-avatar-fallback{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--accent-tint);color:var(--accent-on-tint);font-weight:700;font-size:14px;border:1px solid var(--accent-tint-border);transition:box-shadow .15s ease}.problems-upgrade-btn{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:8px;border:none;background:var(--accent);color:#fff;font-family:inherit;font-size:13px;font-weight:700;letter-spacing:-.01em;cursor:pointer;transition:background .15s ease,transform .1s ease}.problems-upgrade-btn:hover{background:var(--accent-hover)}.problems-upgrade-btn:active{transform:translateY(1px)}.problems-pro-btn{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 13px;border-radius:8px;border:1px solid var(--pass-green);background:var(--pass-tint);color:#0d7c3e;font-family:inherit;font-size:13px;font-weight:700;cursor:pointer;transition:background .15s ease}.problems-pro-btn:hover{background:#d1f7e5}.pro-dot{width:7px;height:7px;border-radius:50%;background:var(--pass-green);box-shadow:0 0 0 3px #16a34a2e}.free-tag{margin-left:9px;vertical-align:middle;font-size:10px;font-weight:800;letter-spacing:.06em;color:#0d7c3e;background:var(--pass-tint);border:1px solid #A8E6D0;padding:2px 6px;border-radius:5px}.problem-card.locked{opacity:.82}.problem-card.locked .problem-card-title{color:var(--text-2)}.problem-solve-btn.locked{background:var(--bg-tint);color:var(--text-2);border:1px solid var(--border-subtle)}.problem-solve-btn.locked:hover{background:var(--accent-tint);color:var(--accent-on-tint);border-color:var(--accent-tint-border)}.paywall-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;background:#0000008c;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .22s ease-out}.paywall-card{position:relative;width:640px;max-width:94vw;max-height:92vh;overflow-y:auto;background:var(--bg-editor);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow-card);padding:40px 40px 34px;animation:slideUp .34s cubic-bezier(.16,1,.3,1)}.paywall-close{position:absolute;top:18px;right:18px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:none;border-radius:9px;background:var(--bg-tint);color:var(--text-2);cursor:pointer;transition:background .15s ease,color .15s ease}.paywall-close:hover{background:var(--border);color:var(--text-1)}.paywall-close svg{width:17px;height:17px}.paywall-eyebrow{font-family:var(--font-mono, monospace);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}.paywall-title{font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--text-1);margin:0 0 8px}.paywall-sub{font-size:14px;color:var(--text-2);margin:0 0 26px;line-height:1.5}.plan-wrap{width:100%}.plan-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.plan-cards.single{grid-template-columns:minmax(0,360px);justify-content:center}.plan-card{position:relative;border:1px solid var(--border);border-radius:16px;background:var(--bg-surface);padding:24px 22px 22px;display:flex;flex-direction:column;transition:border-color .15s ease,box-shadow .15s ease,transform .12s ease}.plan-card:hover{border-color:var(--accent-light);box-shadow:var(--shadow-soft);transform:translateY(-2px)}.plan-card.highlight{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.plan-badge{position:absolute;top:-10px;right:16px;font-size:10px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:#fff;background:var(--accent);padding:3px 9px;border-radius:6px}.plan-name{font-size:14px;font-weight:700;color:var(--text-2);margin-bottom:10px}.plan-price{display:flex;align-items:baseline;gap:8px;margin-bottom:4px}.plan-amount{font-size:40px;font-weight:800;letter-spacing:-.03em;color:var(--text-1)}.plan-original{font-size:18px;font-weight:600;color:var(--text-4);text-decoration:line-through}.plan-subnote{font-size:12.5px;font-weight:600;color:var(--text-3);margin-bottom:18px}.plan-features{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-direction:column;gap:11px}.plan-features li{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.4;color:var(--text-1)}.plan-features li.muted{color:var(--text-3)}.feat-icon{width:16px;height:16px;flex-shrink:0;margin-top:1px}.feat-icon.muted{color:var(--text-4)}.plan-cta{margin-top:auto;height:42px;border-radius:10px;border:none;background:var(--text-1);color:#fff;font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:background .15s ease,transform .1s ease}.plan-cta:hover:not(:disabled){background:#000}.plan-cta:active:not(:disabled){transform:translateY(1px)}.plan-cta:disabled{opacity:.6;cursor:default}.plan-card.highlight .plan-cta{background:var(--accent)}.plan-card.highlight .plan-cta:hover:not(:disabled){background:var(--accent-hover)}.plan-spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.plan-perks{list-style:none;margin:22px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}.plan-perks li{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-2)}.plan-perks svg{width:16px;height:16px;flex-shrink:0}.plan-error{margin:16px 0 0;font-size:13px;color:var(--fail-red)}.pricing-root{position:relative;min-height:100vh;background:var(--bg-page);overflow:hidden}.pricing-inner{position:relative;z-index:1;max-width:720px;margin:0 auto;padding:56px 24px 80px;text-align:center}.pricing-inner .problems-brand-row{justify-content:center;margin-bottom:34px}.pricing-heading{font-size:34px;font-weight:800;letter-spacing:-.03em;color:var(--text-1);margin:0 0 12px}.pricing-tagline{font-size:15px;line-height:1.6;color:var(--text-2);max-width:480px;margin:0 auto 34px}.pricing-canceled{font-size:13px;color:var(--warn-yellow);background:var(--warn-tint);border:1px solid #FFD699;border-radius:10px;padding:10px 14px;margin:0 auto 26px;max-width:520px}.pricing-tagline .accent-text{color:var(--accent)}.pricing-inner .plan-wrap{text-align:left}.pricing-back,.account-signout{margin-top:30px;background:none;border:none;font-family:inherit;font-size:13px;font-weight:600;color:var(--text-1);cursor:pointer;transition:color .15s ease}.pricing-back:hover,.account-signout:hover{color:var(--accent)}.account-root{position:relative;min-height:100vh;background:var(--bg-page);overflow:hidden}.account-inner{position:relative;z-index:1;max-width:760px;margin:0 auto;padding:40px 24px 80px}.account-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.account-topbar .problems-brand-row{margin:0}.account-topbar .account-signout{margin-top:0;display:inline-flex;align-items:center;gap:6px}.account-topbar .account-signout svg{width:15px;height:15px}.account-profile{display:flex;align-items:center;gap:16px;margin-bottom:28px}.account-profile .user-avatar-img,.account-profile .user-avatar-fallback{font-size:22px}.account-name{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--text-1);line-height:1.2}.account-email{font-size:13.5px;color:var(--text-3)}.account-since{font-size:12px;color:var(--text-4);margin-top:3px}.account-panel{border:1px solid var(--border);border-radius:16px;background:var(--bg-surface);padding:22px;box-shadow:var(--shadow-soft);margin-bottom:16px}.membership-panel{display:flex;align-items:center;justify-content:space-between;gap:20px}.mem-info{min-width:0}.mem-top{display:flex;align-items:center;gap:10px;margin-bottom:6px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.panel-title{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}.account-status{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:999px}.account-status.active{color:#0d7c3e;background:var(--pass-tint);border:1px solid #A8E6D0}.account-status.inactive,.account-status.pending{color:var(--text-2);background:var(--bg-tint);border:1px solid var(--border-subtle)}.account-status.pending .plan-spinner{border-color:var(--border);border-top-color:var(--accent)}.mem-plan{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--text-1)}.mem-until{font-size:13px;color:var(--text-2)}.btn-extend{flex-shrink:0;height:40px;padding:0 20px;border-radius:10px;border:1px solid var(--accent-tint-border);background:var(--accent-tint);color:var(--text-1);font-family:inherit;font-size:13.5px;font-weight:700;white-space:nowrap;cursor:pointer;transition:background .15s ease,border-color .15s ease}.btn-extend:hover{background:var(--accent-active-bg);border-color:var(--accent-light)}.history-empty{font-size:13px;color:var(--text-3);padding:8px 0}.history-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.history-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid var(--border-subtle)}.history-row:first-child{border-top:none}.history-left{display:flex;flex-direction:column;gap:2px}.history-plan{font-size:13.5px;font-weight:600;color:var(--text-1)}.history-date{font-size:12px;color:var(--text-4)}.history-right{display:flex;align-items:center;gap:12px}.history-amount{font-size:14px;font-weight:700;color:var(--text-1);font-variant-numeric:tabular-nums}.history-paid{font-size:11px;font-weight:700;letter-spacing:.02em;color:#0d7c3e;background:var(--pass-tint);border:1px solid #A8E6D0;padding:2px 9px;border-radius:999px}@media (max-width: 640px){.plan-cards,.plan-perks{grid-template-columns:1fr}.paywall-card{padding:32px 22px 26px}.membership-panel{flex-direction:column;align-items:stretch;gap:16px}.btn-extend{width:100%}}.authw-root{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-page);position:relative;padding:32px 24px}.authw-window{position:relative;z-index:1;width:100%;max-width:1000px;background:var(--bg-editor);border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:0 30px 70px -40px #3c28146b;animation:cardIn .4s cubic-bezier(.16,1,.3,1) both}.authw-chrome{display:flex;align-items:center;gap:10px;padding:12px 18px;border-bottom:1px solid var(--border);background:var(--bg-surface);text-decoration:none}.authw-chrome .landing-mark{width:30px;height:30px;border-radius:8px;font-size:16px}.authw-chrome .landing-mark:after{right:6px;top:8px;bottom:8px;width:2px}.authw-chrome .landing-brandname{font-size:17px}.authw-panes{display:grid;grid-template-columns:minmax(0,1.05fr) 392px}.authw-pitch{position:relative;padding:34px 34px 30px;border-right:1px solid var(--border);background:radial-gradient(520px 260px at 8% 0%,rgba(255,102,51,.07),transparent 70%),var(--bg-page)}.authw-eyebrow{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--text-4);margin:0 0 14px}.authw-headline{margin:0;font-family:var(--font-heading);font-size:26px;font-weight:700;line-height:1.18;letter-spacing:-.02em;color:var(--text-1);white-space:nowrap}.authw-headline span{display:block}.authw-headline-accent{color:var(--accent)}.authw-stage{margin-top:24px;max-width:400px;padding:18px;border-radius:16px;background:radial-gradient(360px 200px at 70% 10%,rgba(255,102,51,.1),transparent 70%),var(--bg-tint);border:1px solid var(--border)}.authw-stage .lp-round{animation-delay:.08s}.authw-form{padding:34px 34px 30px}.authw-title{margin:0;font-family:var(--font-heading);font-size:27px;font-weight:700;letter-spacing:-.02em;color:var(--text-1)}.authw-sub{margin:7px 0 0;font-size:14px;line-height:1.5;color:var(--text-2)}.authw-form .auth-google{margin-top:20px}.authw-form .auth-divider{margin:16px 0 2px}.authw-form .landing-field{margin-top:14px}.authw-form .landing-cta{margin-top:20px}.authw-form .auth-switch{margin-top:16px}.authw-form .auth-legal{margin-top:14px}.authw-form .auth-check{margin:0 0 16px}@media (max-width: 980px){.authw-panes{grid-template-columns:1fr}.authw-pitch{border-right:none;border-bottom:1px solid var(--border);padding:28px 26px 26px}.authw-form{padding:28px 26px 26px}.authw-headline{font-size:29px}.authw-pitch-sub{max-width:none}}@media (max-width: 620px){.authw-root{padding:0;align-items:stretch}.authw-window{border:none;border-radius:0;box-shadow:none;min-height:100vh}.authw-pitch-sub,.authw-proof,.authw-stage{display:none}.authw-pitch{padding:22px 20px}.authw-form{padding:24px 20px 32px}.authw-headline{font-size:25px}}.lp-root{position:relative;min-height:100vh;background:var(--bg-page);overflow-x:hidden}.lp-grid-bg{position:fixed;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(28,26,23,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(28,26,23,.04) 1px,transparent 1px);background-size:56px 56px;pointer-events:none;z-index:0}.lp-main,.lp-nav,.lp-footer{position:relative;z-index:1}.lp-nav{max-width:1120px;margin:0 auto;padding:22px 28px;display:flex;align-items:center;gap:16px}.lp-brand{display:flex;align-items:center;gap:10px;text-decoration:none}.lp-nav-right{margin-left:auto;display:flex;align-items:center;gap:8px}.lp-nav-btn{padding:7px 14px;font-size:13.5px;font-weight:600;color:var(--accent);text-decoration:none;border:1px solid var(--accent-tint-border);border-radius:var(--r-button);background:var(--accent-tint);transition:background var(--transition-fast),border-color var(--transition-fast)}.lp-nav-btn:hover{background:var(--accent-active-bg);border-color:var(--accent-light)}.lp-section-label{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--text-4);margin:0 0 16px}.lp-cta{height:50px;display:inline-flex;align-items:center;gap:10px;padding:0 24px;border-radius:10px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;text-decoration:none;box-shadow:0 2px 12px #e8501e57;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}.lp-cta svg{width:18px;height:18px}.lp-cta:hover{transform:translateY(-1px);background:var(--accent-hover);box-shadow:0 8px 22px #e8501e66}.lp-cta:active{transform:translateY(0)}.lp-cta-soft{height:50px;display:inline-flex;align-items:center;padding:0 22px;border-radius:10px;border:1px solid var(--accent-tint-border);background:var(--accent-tint);color:var(--accent-on-tint);font-size:15px;font-weight:600;text-decoration:none;transition:background var(--transition-fast),border-color var(--transition-fast)}.lp-cta-soft:hover{background:var(--accent-active-bg);border-color:var(--accent-light)}.lp-main{max-width:1120px;margin:0 auto;padding:0 28px 80px}.lp-hero{display:grid;grid-template-columns:minmax(0,1fr) 404px;gap:56px;align-items:center;padding:56px 0 88px}.lp-eyebrow{font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0 0 20px}.lp-headline{margin:0;font-family:var(--font-heading);font-size:54px;font-weight:700;line-height:1.06;letter-spacing:-.035em;color:var(--text-1)}.lp-headline span{display:block}.lp-headline-accent{color:var(--warn-yellow)}.lp-lead{margin:22px 0 0;max-width:50ch;font-size:16.5px;line-height:1.6;color:var(--text-2)}.lp-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.lp-reassure{display:flex;align-items:center;gap:8px;margin:16px 0 0;font-size:13.5px;font-weight:600;color:var(--text-3)}.lp-reassure svg{width:15px;height:15px;color:var(--pass-green);flex-shrink:0}.lp-round{display:flex;flex-direction:column;min-height:400px;background:var(--bg-editor);border:1px solid var(--border);border-radius:14px;box-shadow:0 30px 70px -42px #3c281473;overflow:hidden;animation:cardIn .5s cubic-bezier(.16,1,.3,1) both;animation-delay:.08s}.lp-round-titlerow{display:flex;align-items:center;gap:14px}.lp-round-head{display:flex;flex-direction:column}.lp-round-company{--logo-h: 18px;flex-shrink:0;margin-left:auto;height:var(--logo-h);width:calc(var(--logo-h) * var(--ar, 1))}.lp-round-body{display:flex;flex-direction:column;flex:1;justify-content:space-between;padding:18px 18px 14px;animation:roundSwap .45s cubic-bezier(.16,1,.3,1) both}.lp-round-body>*{animation:roundSwap .45s cubic-bezier(.16,1,.3,1) both}.lp-round-body>*:nth-child(2){animation-delay:.04s}.lp-round-body>*:nth-child(3){animation-delay:.08s}.lp-round-body>*:nth-child(4){animation-delay:.12s}.lp-round-body>*:nth-child(5){animation-delay:.16s}.lp-round-body>*:nth-child(6){animation-delay:.2s}.lp-round-body>*:nth-child(7){animation-delay:.24s}@keyframes roundSwap{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}.lp-round-title{margin:0;font-family:var(--font-heading);font-size:23px;font-weight:700;letter-spacing:-.02em;color:var(--accent)}.lp-round-subtitle{margin:3px 0 0;font-size:13px;color:var(--text-3)}.lp-round-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:13px}.lp-round-scenario{margin:13px 0 0;font-size:13px;line-height:1.58;color:var(--text-2)}.lp-round-parts{margin:15px 0;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden}.lp-round-part{display:flex;align-items:baseline;gap:10px;padding:7px 12px;background:var(--bg-surface)}.lp-round-part+.lp-round-part{border-top:1px solid var(--border)}.lp-round-part-n{flex-shrink:0;font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.04em;color:var(--text-4)}.lp-round-part-name{font-size:12.5px;line-height:1.4;color:var(--text-2)}.lp-round-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 18px 15px}.lp-round-more{font-size:12px;font-weight:600;color:var(--text-3);text-decoration:none;transition:color var(--transition-fast)}.lp-round-more:hover{color:var(--accent)}.lp-round-dots{display:flex;gap:0;margin-left:auto}.lp-round-dot{position:relative;width:15px;height:22px;padding:0;border:0;background:none;cursor:pointer;transition:width var(--transition-fast)}.lp-round-dot:before{content:"";position:absolute;top:7px;right:4px;bottom:7px;left:4px;border-radius:999px;background:var(--border-subtle);transition:background var(--transition-fast)}.lp-round-dot:hover:before{background:var(--text-4)}.lp-round-dot.is-on{width:28px}.lp-round-dot.is-on:before{background:var(--accent)}.lp-round-dot:focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-radius:4px}.lp-how{padding:8px 0 88px}.lp-how-head{margin-bottom:26px}.lp-how-title{margin:0;font-family:var(--font-heading);font-size:min(32px,3.05vw);font-weight:700;letter-spacing:-.03em;line-height:1.18;color:var(--text-1);white-space:nowrap}.lp-how-title-accent{color:var(--accent)}.lp-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:0;padding:0;list-style:none;background:var(--border);border:1px solid var(--border);border-radius:var(--r-large);overflow:hidden}.lp-step{padding:26px 24px 28px;background:var(--bg-surface)}.lp-step-n{font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--accent)}.lp-step-label{margin:10px 0 0;font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--text-4)}.lp-step-title{margin:8px 0 0;font-family:var(--font-heading);font-size:18px;font-weight:700;letter-spacing:-.015em;color:var(--text-1);line-height:1.3}.lp-step-body{margin:9px 0 0;font-size:14px;line-height:1.6;color:var(--text-2)}.lp-close{padding:56px 32px 60px;text-align:center;border:1px solid var(--border);border-radius:var(--r-large);background:radial-gradient(620px 300px at 50% 0%,rgba(255,102,51,.09),transparent 70%),var(--bg-surface)}.lp-close-title{margin:0;font-family:var(--font-heading);font-size:34px;font-weight:700;letter-spacing:-.03em;color:var(--text-1)}.lp-close-body{margin:12px auto 26px;max-width:46ch;font-size:15.5px;line-height:1.6;color:var(--text-2)}.lp-footer{max-width:1120px;margin:0 auto;padding:24px 28px 40px;display:flex;align-items:center;gap:16px;border-top:1px solid var(--border);font-size:13px;color:var(--text-3)}.lp-footer a{margin-left:auto;color:var(--text-2);font-weight:600;text-decoration:none}.lp-footer a:hover{color:var(--accent)}@media (max-width: 940px){.lp-hero{grid-template-columns:1fr;gap:40px;padding:32px 0 64px}.lp-headline{font-size:42px}.lp-steps{grid-template-columns:1fr}.lp-round{max-width:460px}}@media (max-width: 560px){.lp-main{padding:0 18px 56px}.lp-nav{padding:18px}.lp-nav-btn{display:none}.lp-headline{font-size:33px}.lp-lead{font-size:15px}.lp-cta,.lp-cta-soft{width:100%;justify-content:center}.lp-close-title{font-size:26px}.lp-close{padding:40px 20px 44px}}.preview-bar{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:4px 16px;background:var(--yellow-bg);color:var(--yellow-dark)}.preview-chip{font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--yellow-dark);flex-shrink:0}.preview-text{font-size:12px;font-weight:500;letter-spacing:.02em}.preview-cta{display:inline-flex;align-items:center;gap:4px;height:20px;padding:0 10px;border-radius:999px;background:var(--yellow-dark);color:#fff;font-size:11px;font-weight:700;white-space:nowrap;transition:background var(--transition-fast)}.preview-cta:hover{background:var(--yellow-dark-hover)}.preview-cta svg{width:10px;height:10px}@media (max-width: 720px){.preview-text{display:none}}.gate-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:24px;background:#1c18146b;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:gateFade .16s ease both}@keyframes gateFade{0%{opacity:0}}.gate-card{position:relative;width:100%;max-width:420px;padding:30px 30px 26px;background:var(--bg-editor);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-card);animation:cardIn .28s cubic-bezier(.16,1,.3,1) both}.gate-close{position:absolute;top:12px;right:12px;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:var(--text-4);transition:color var(--transition-fast),background var(--transition-fast)}.gate-close:hover{color:var(--text-1);background:var(--bg-tint)}.gate-close svg{width:17px;height:17px}.gate-eyebrow{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}.gate-title{margin:0;font-family:var(--font-heading);font-size:23px;font-weight:700;letter-spacing:-.02em;line-height:1.25;color:var(--text-1)}.gate-body{margin:10px 0 0;font-size:14px;line-height:1.6;color:var(--text-2)}.gate-list{margin:18px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}.gate-list li{position:relative;padding-left:24px;font-size:13.5px;color:var(--text-2)}.gate-list li:before{content:"";position:absolute;left:4px;top:6px;width:8px;height:8px;border-radius:50%;background:var(--accent-tint);border:1.5px solid var(--accent-light)}.gate-secondary{display:block;width:100%;margin-top:10px;padding:11px 0;font-size:13.5px;font-weight:600;color:var(--text-2);border-radius:var(--r-button);transition:color var(--transition-fast),background var(--transition-fast)}.gate-secondary:hover{color:var(--text-1);background:var(--bg-tint)}.lp-announce{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;padding:10px 20px;background:var(--yellow-bg);border-bottom:1px solid var(--yellow-border);color:var(--yellow-dark);text-decoration:none;font-size:13.5px}.lp-announce-tag{font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:var(--accent);padding:3px 9px;border-radius:999px}.lp-announce-text{font-weight:500}.lp-announce-go{font-weight:700;white-space:nowrap}.lp-announce:hover .lp-announce-go{text-decoration:underline}.lp-stage{padding:22px;border-radius:20px;background:radial-gradient(420px 220px at 70% 10%,rgba(255,102,51,.1),transparent 70%),var(--bg-tint);border:1px solid var(--border)}.lp-stage .lp-round{animation-delay:.08s}.lp-wall{padding:0 0 84px;border-bottom:1px solid var(--border);margin-bottom:76px}.lp-wall-label{margin:0 0 20px;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--text-4);text-align:center}.lp-wall-marquee{position:relative;overflow:hidden;width:100vw;margin-left:50%;transform:translate(-50%);-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}.lp-wall-track{display:flex;width:max-content;animation:lpMarquee 46s linear infinite}.lp-wall-marquee:hover .lp-wall-track,.lp-wall-marquee:focus-within .lp-wall-track{animation-play-state:paused}@keyframes lpMarquee{to{transform:translate(-50%)}}.lp-wall-marks{display:flex;align-items:center;gap:46px;margin:0;padding:0 23px;list-style:none;flex-shrink:0}.lp-wall-mark{font-family:var(--font-heading);font-size:19px;font-weight:700;letter-spacing:-.02em;white-space:nowrap;color:var(--text-4);transition:color var(--transition-fast)}.lp-wall-mark:hover{color:var(--text-1)}@media (prefers-reduced-motion: reduce){.lp-wall-track{animation:none!important;transform:none!important}.lp-wall-marquee{overflow-x:auto}}.lp-companies{padding:0 0 84px;scroll-margin-top:24px}.lp-companies-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:16px}.lp-companies-head .lp-section-label{margin:0}.lp-company-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:0;padding:0;list-style:none;background:var(--border);border:1px solid var(--border);border-radius:var(--r-large);overflow:hidden}.lp-company{padding:20px 20px 22px;background:var(--bg-surface);transition:background var(--transition-fast)}.lp-company:hover{background:var(--bg-editor)}.lp-company-head{display:flex;align-items:baseline;gap:10px;margin-bottom:9px}.lp-company-mark{font-family:var(--font-heading);font-size:18px;font-weight:700;letter-spacing:-.02em;line-height:22px;color:var(--text-1)}.lp-company-format{margin-left:auto;font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:var(--accent-tint);border:1px solid var(--accent-tint-border);padding:2px 8px;border-radius:999px;white-space:nowrap}.lp-company-note{margin:0;font-size:13.5px;line-height:1.6;color:var(--text-2)}.lp-companies-note{margin:0;font-size:12px;line-height:1.6;text-align:right;color:var(--text-4)}@media (max-width: 940px){.lp-company-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lp-how-title{font-size:28px;white-space:normal}.lp-stage{padding:16px;max-width:500px}}@media (max-width: 560px){.lp-announce{font-size:12.5px;padding:9px 16px}.lp-announce-text{display:none}.lp-wall{padding-bottom:56px;margin-bottom:52px}.lp-wall-marks{gap:28px;padding:0 14px}.lp-wall-mark{font-size:16px}.lp-company-grid{grid-template-columns:1fr}.lp-how-title{font-size:25px}.lp-companies-head{flex-direction:column;gap:4px}.lp-companies-note{text-align:left}.lp-stage{padding:12px}}