:root{--surface: #ffffff;--surface-muted: #f6f8fa;--surface-hover: #f6f8fa;--text-primary: #1f2328;--text-secondary: #656d76;--text-muted: #8c959f;--border: #d8dee4;--border-strong: #afb8c1;--accent: #0969da;--accent-hover: #0860c7;--accent-soft: #ddf4ff;--success: #1a7f37;--danger: #cf222e;--danger-hover: #b21f2a;--danger-soft: #ffebe9;--radius-sm: 6px;--radius: 8px;--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 24px;--space-2xl: 32px;--space-3xl: 48px;--nav-height: 56px;--nav-height-compact: 48px;--sidebar-width: 240px;--sidebar-width-narrow: 220px;--sidebar-width-log: 340px;--content-max: 1100px;--wordmark-sm: 18px;--wordmark-lg: 26px;--shadow-modal: 0 8px 24px rgba(31, 35, 40, .12);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--font-serif: "Source Serif 4", "Charter", "Iowan Old Style", Georgia, serif;--ease: cubic-bezier(.4, 0, .2, 1);--ease-out: cubic-bezier(.22, 1, .36, 1);--transition-quick: .12s var(--ease);--transition-normal: .2s var(--ease)}html,body{background:var(--surface);color:var(--text-primary);font-family:var(--font-sans);font-size:14px;line-height:1.5}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);height:36px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid transparent;font-family:inherit;font-weight:500;font-size:14px;line-height:1;text-decoration:none;cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;transition:background var(--transition-quick),border-color var(--transition-quick),color var(--transition-quick)}.btn:disabled,.btn[aria-disabled=true]{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn-secondary{background:var(--surface);color:var(--text-primary);border-color:var(--border)}.btn-secondary:hover:not(:disabled){background:var(--surface-hover);border-color:var(--border-strong)}.btn-tertiary{background:transparent;color:var(--accent);border-color:transparent;padding:0 6px;height:32px}.btn-tertiary:hover:not(:disabled){text-decoration:underline;text-underline-offset:2px}.btn-ghost{background:transparent;color:var(--text-secondary);border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--surface-hover);color:var(--text-primary)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger-hover);border-color:var(--danger-hover)}.btn-lg{height:40px;padding:0 18px;font-size:14px}.btn-sm{height:28px;padding:0 10px;font-size:13px;border-radius:var(--radius-sm)}.btn-block{width:100%}.input,.select,.textarea{width:100%;height:36px;padding:0 var(--space-md);font-family:inherit;font-size:14px;color:var(--text-primary);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color var(--transition-quick),box-shadow var(--transition-quick)}.textarea{height:auto;padding:var(--space-sm) var(--space-md);resize:vertical;min-height:80px;line-height:1.5}.input::placeholder,.textarea::placeholder{color:var(--text-muted)}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #0969da4d}.select{appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23656d76' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 10px center;background-size:14px;padding-right:32px}.field{display:block;margin-bottom:16px}.field-label{display:block;font-size:13px;font-weight:500;color:var(--text-primary);margin-bottom:6px}.field-help{display:block;font-size:13px;color:var(--text-secondary);margin-top:8px;line-height:1.5}.surface-overlay{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-modal)}.logo{display:inline-block;height:24px;width:auto;vertical-align:middle;-webkit-user-select:none;user-select:none}.logo-lg{height:40px}.tabular{font-variant-numeric:tabular-nums}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(8px);z-index:200;padding:10px 16px;border-radius:var(--radius-sm);background:#1f2328;color:#fff;font-size:13px;font-weight:500;box-shadow:var(--shadow-modal);opacity:0;pointer-events:none;transition:opacity .2s var(--ease),transform .25s var(--ease-out)}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}.toast.toast-error{background:var(--danger)}.toast.toast-success{background:var(--success)}.muted{color:var(--text-secondary)}.hairline{height:1px;background:var(--border);border:none;margin:0}.spinner{width:14px;height:14px;border-radius:50%;border:1.5px solid var(--border-strong);border-top-color:var(--text-primary);animation:spin .7s linear infinite}.spinner-on-dark{border-color:#fff6;border-top-color:#fff}.spinner-lg{width:24px;height:24px;border-width:2px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fade-in .2s var(--ease-out) both}::selection{background:#0969da33;color:inherit}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px;border:2px solid transparent;background-clip:padding-box}*::-webkit-scrollbar-thumb:hover{background:var(--border-strong);background-clip:padding-box}.status-dot{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary)}.status-dot:before{content:"";width:8px;height:8px;border-radius:50%;display:inline-block;background:var(--text-muted)}.status-dot.is-submitted{color:var(--success)}.status-dot.is-submitted:before{background:var(--success)}.status-dot.is-in-progress{color:var(--text-secondary)}.status-dot.is-in-progress:before{background:var(--text-muted)}.status-dot.is-draft{color:var(--text-muted)}.status-dot.is-draft:before{background:transparent;border:1px solid var(--border-strong);width:7px;height:7px}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;width:100%;min-height:100vh}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}a{color:inherit}button{font-family:inherit}.app-shell{display:flex;flex-direction:column;height:100vh;overflow:hidden;background:var(--surface)}.editor-main-split{display:flex;flex:1;overflow:hidden;width:100%;position:relative}.editor-side{position:relative;flex:1;overflow-y:auto;padding:var(--space-2xl) 0 var(--space-3xl);transition:padding var(--transition-normal)}.editor-status-bar{position:sticky;bottom:0;z-index:4;display:flex;justify-content:flex-end;padding:var(--space-sm) var(--space-md);pointer-events:none}.editor-status-bar .word-count{pointer-events:auto;padding:4px 10px;font-size:12px;color:var(--text-secondary);font-variant-numeric:tabular-nums;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm)}.sidebar-side{width:var(--sidebar-width-log);min-width:var(--sidebar-width-log);border-left:1px solid var(--border);background:var(--surface);height:100%;overflow:hidden;transition:width var(--transition-normal),min-width var(--transition-normal),opacity var(--transition-normal)}.sidebar-hidden .sidebar-side{width:0;min-width:0;opacity:0;border-left:none}.spec-side{width:var(--sidebar-width-narrow);min-width:var(--sidebar-width-narrow);border-right:1px solid var(--border);background:var(--surface-muted);height:100%;overflow-y:auto;transition:width var(--transition-normal),min-width var(--transition-normal),opacity var(--transition-normal)}.spec-hidden .spec-side{width:0!important;min-width:0!important;opacity:0;border-right:none}.spec-resizer{width:4px;flex-shrink:0;background:transparent;cursor:col-resize;margin-left:-2px;margin-right:-2px;z-index:5;transition:background var(--transition-quick)}.spec-resizer:hover,.spec-resizer.is-active{background:var(--accent-soft)}.spec-sheet{padding:var(--space-xl);display:flex;flex-direction:column;gap:var(--space-sm)}.spec-label{font-size:12px;font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-xs)}.spec-title{font-size:15px;font-weight:600;color:var(--text-primary);margin:0;line-height:1.4}.spec-divider{height:1px;background:var(--border);margin:var(--space-sm) 0}.spec-body{font-family:var(--font-serif);font-size:14px;line-height:1.6;color:var(--text-primary);margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.spec-empty{font-size:13px;color:var(--text-muted);margin:0;font-style:italic}.top-nav{width:100%;border-bottom:1px solid var(--border);background:var(--surface);position:sticky;top:0;z-index:50}.top-nav-inner{width:100%;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 var(--space-xl);height:var(--nav-height)}.brand{display:inline-flex;align-items:center;gap:var(--space-sm);text-decoration:none;color:var(--text-primary)}.brand-wordmark{font-family:var(--font-sans);font-weight:600;font-size:var(--wordmark-sm);letter-spacing:-.015em;color:var(--text-primary);line-height:1;text-transform:lowercase}.brand-wordmark-lg{font-size:var(--wordmark-lg)}.nav-actions{display:flex;align-items:center;gap:18px}.nav-link{font-size:14px;font-weight:500;color:var(--text-secondary);text-decoration:none;transition:color .12s var(--ease)}.nav-link:hover{color:var(--text-primary)}.landing{min-height:100vh}.landing-main{max-width:1100px;margin:0 auto;padding:0 24px}.hero{padding:80px 0 64px;max-width:760px}.hero h1{font-size:clamp(32px,5vw,48px);line-height:1.1;letter-spacing:-.02em;font-weight:600;color:var(--text-primary);margin:0 0 16px}.hero-lead{font-size:18px;line-height:1.55;color:var(--text-secondary);margin:0 0 32px;max-width:56ch}.hero-cta{display:flex;gap:12px;flex-wrap:wrap}.shot-wrap{margin:16px 0 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.shot{display:grid;grid-template-columns:1fr 340px;min-height:480px}.shot-essay{padding:40px 48px;border-right:1px solid var(--border);position:relative}.shot-essay h3{font-family:var(--font-serif);font-size:24px;line-height:1.3;font-weight:600;color:var(--text-primary);margin:0 0 14px}.shot-essay p{font-family:var(--font-serif);font-size:17px;line-height:1.65;color:var(--text-primary);margin:0 0 14px}.shot-probe-trigger{position:relative;background:var(--accent-soft);border-bottom:2px solid var(--accent);padding:0 1px;cursor:help;border-radius:2px;transition:background .15s var(--ease);outline:none}.shot-probe-trigger:hover,.shot-probe-trigger:focus-visible{background:#0969da2e}.shot-popover{display:block;position:absolute;top:calc(100% + var(--space-md));left:0;width:340px;max-width:calc(100vw - 64px);padding:14px var(--space-lg);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-modal);font-family:var(--font-sans);text-align:left;z-index:30;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s var(--ease),transform .2s var(--ease-out),visibility .15s var(--ease)}.shot-popover:before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}.shot-probe-trigger:hover .shot-popover,.shot-probe-trigger:focus-within .shot-popover{opacity:1;visibility:visible;transform:translateY(0)}.shot-popover-q{display:block;font-size:15px;font-weight:500;color:var(--text-primary);line-height:1.4;margin:0 0 10px}.shot-popover-input{width:100%;padding:8px 12px;font-family:inherit;font-size:14px;color:var(--text-primary);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);resize:none;line-height:1.5;transition:border-color .12s var(--ease),box-shadow .12s var(--ease)}.shot-popover-input::placeholder{color:var(--text-muted)}.shot-popover-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #0969da4d}.shot-popover-actions{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:10px}.shot-popover-hint{font-size:12px;color:var(--text-secondary)}.shot-popover-hint kbd{font-family:inherit;font-size:11px;padding:1px 5px;border-radius:4px;background:var(--surface-muted);border:1px solid var(--border);color:var(--text-primary)}.shot-side{background:var(--surface);display:flex;flex-direction:column}.shot-side-header{display:flex;justify-content:space-between;align-items:baseline;padding:var(--space-lg);border-bottom:1px solid var(--border)}.shot-side-header h4{font-size:14px;font-weight:600;color:var(--text-primary);margin:0}.shot-side-header span{font-size:12px;color:var(--text-secondary)}.shot-side-body{flex:1}.shot-side-divider{display:flex;align-items:center;margin:var(--space-md) var(--space-lg) var(--space-xs);gap:10px}.shot-side-divider:after{content:"";flex:1;border-bottom:1px solid var(--border)}.shot-side-divider span{font-size:12px;font-weight:500;color:var(--text-secondary)}.shot-side-card{padding:14px var(--space-lg);border-bottom:1px solid var(--border)}.shot-side-card:last-child{border-bottom:none}.shot-side-time{font-size:12px;color:var(--text-secondary);margin-bottom:6px}.shot-side-snippet{margin:0 0 8px;font-size:13px;color:var(--text-secondary);line-height:1.5;border-left:2px solid var(--border);padding-left:10px}.shot-side-q{margin:0 0 6px;font-size:14px;font-weight:500;color:var(--text-primary);line-height:1.45}.shot-side-a{margin:0;font-size:14px;color:var(--text-secondary);line-height:1.5}.shot-caption{text-align:center;font-size:13px;color:var(--text-secondary);margin:0 0 96px}.audience{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding:24px 0 96px}.audience h2{font-size:16px;font-weight:600;color:var(--text-primary);margin:0 0 8px}.audience p{font-size:14px;color:var(--text-secondary);line-height:1.55;margin:0}@media(max-width:720px){.audience{grid-template-columns:1fr;gap:24px}.shot{grid-template-columns:1fr}.shot-essay{border-right:none;border-bottom:1px solid var(--border);padding:28px}.shot-popover{width:280px}}.landing-footer{border-top:1px solid var(--border);padding:24px 0}.landing-footer-inner{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-secondary)}.landing-footer-links{display:flex;gap:20px}.landing-footer-links a{color:var(--text-secondary);text-decoration:none}.landing-footer-links a:hover{color:var(--text-primary)}.auth-page{min-height:100vh;background:var(--surface-muted);display:grid;place-items:center;padding:48px 24px}.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px}.auth-card-header{text-align:center;margin-bottom:24px}.auth-card-header .brand{display:inline-flex;margin-bottom:16px}.auth-card-header h1{font-size:20px;font-weight:600;color:var(--text-primary);margin:0 0 4px}.auth-card-header p{font-size:14px;color:var(--text-secondary);margin:0}.auth-error{background:var(--danger-soft);color:var(--danger);border:1px solid #ffc1bd;padding:10px 12px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px}.auth-footer{margin-top:20px;padding-top:16px;border-top:1px solid var(--border);text-align:center;font-size:13px;color:var(--text-secondary)}.auth-footer a{color:var(--accent);text-decoration:none}.auth-footer a:hover{text-decoration:underline;text-underline-offset:2px}.role-toggle{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:var(--surface)}.role-toggle label{position:relative;cursor:pointer}.role-toggle input{position:absolute;opacity:0;inset:0}.role-toggle span{display:flex;align-items:center;justify-content:center;height:36px;font-size:14px;font-weight:500;color:var(--text-secondary);background:var(--surface);transition:all .12s var(--ease)}.role-toggle label:first-child span{border-right:1px solid var(--border)}.role-toggle input:checked+span{background:var(--surface-hover);color:var(--text-primary)}.role-toggle input:focus-visible+span{box-shadow:inset 0 0 0 2px var(--accent)}.modal-actions-vertical{display:flex;flex-direction:column;gap:10px;margin-top:16px}.dashboard{min-height:100vh;display:flex;background:var(--surface);position:relative}.sidebar-toggle-fixed{position:absolute;top:12px;left:12px;z-index:50}.dashboard-sidebar{width:var(--sidebar-width);flex-shrink:0;border-right:1px solid var(--border);background:var(--surface);display:flex;flex-direction:column;overflow:hidden;transition:width var(--transition-normal),border-color var(--transition-normal)}.dashboard.sidebar-collapsed .dashboard-sidebar{width:0;border-right-color:transparent}.dashboard-sidebar-header{height:var(--nav-height);display:flex;align-items:center;padding:0 var(--space-lg) 0 56px;border-bottom:1px solid var(--border);flex-shrink:0}.dashboard-sidebar-nav{padding:var(--space-md) var(--space-sm);display:flex;flex-direction:column;gap:2px}.dashboard-sidebar-footer{margin-top:auto;padding:var(--space-sm) var(--space-sm) var(--space-md);display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--border)}.sidebar-link{display:flex;align-items:center;gap:10px;padding:0 var(--space-md);border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:var(--text-primary);text-decoration:none;transition:background var(--transition-quick);height:36px;white-space:nowrap}.sidebar-link:hover,.sidebar-link.is-active{background:var(--surface-hover)}.sidebar-link svg{width:16px;height:16px;color:var(--text-secondary);flex-shrink:0}.dashboard-content{flex:1;display:flex;flex-direction:column;min-width:0}.dashboard-topbar{height:var(--nav-height);display:flex;justify-content:space-between;align-items:center;padding:0 var(--space-xl);border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.dashboard-topbar-left{display:flex;align-items:center;gap:12px;min-height:32px}.dashboard.sidebar-collapsed .dashboard-topbar-left{padding-left:44px}.dashboard-main{padding:32px 32px 96px;max-width:1100px;width:100%;margin:0 auto}.dashboard-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;gap:24px}.dashboard-header h1{font-size:24px;font-weight:600;color:var(--text-primary);margin:0 0 4px}.dashboard-header p{font-size:14px;color:var(--text-secondary);margin:0}.settings-stack{display:flex;flex-direction:column;gap:16px;max-width:640px}.settings-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}.settings-card-head{padding:16px 20px;border-bottom:1px solid var(--border)}.settings-card-head h2{font-size:16px;font-weight:600;color:var(--text-primary);margin:0 0 4px}.settings-card-head p{font-size:13px;color:var(--text-secondary);margin:0;line-height:1.5}.settings-card-body{padding:16px 20px 0}.settings-card-body .field:last-of-type{margin-bottom:16px}.settings-card-footer{display:flex;justify-content:flex-end;padding:12px 20px;border-top:1px solid var(--border);background:var(--surface-muted)}.settings-card-danger{border-color:#ffc1bd}.settings-card-danger .settings-card-head{border-bottom-color:#ffc1bd}.settings-card-danger .settings-card-footer{border-top-color:#ffc1bd;background:var(--danger-soft)}.input[disabled]{background:var(--surface-muted);color:var(--text-secondary);cursor:not-allowed}@media(max-width:720px){.dashboard-sidebar{position:absolute;inset:0 auto 0 0;z-index:40;box-shadow:var(--shadow-modal)}.dashboard.sidebar-collapsed .dashboard-sidebar{box-shadow:none}.dashboard-main{padding:24px 20px 72px}}.data-table{width:100%;border-collapse:collapse;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.data-table thead th{text-align:left;font-size:13px;font-weight:500;color:var(--text-secondary);background:var(--surface-muted);padding:10px var(--space-lg);border-bottom:1px solid var(--border)}.data-table tbody td{padding:14px var(--space-lg);border-bottom:1px solid var(--border);font-size:14px;color:var(--text-primary);vertical-align:middle}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr:hover td{background:var(--surface-hover)}.data-table .col-actions{width:1%;white-space:nowrap;text-align:right}.data-table a.row-title{color:var(--text-primary);text-decoration:none;font-weight:500}.data-table a.row-title:hover{color:var(--accent)}.data-table .meta{font-size:13px;color:var(--text-secondary)}.review-link{color:var(--accent);font-size:14px;font-weight:500;text-decoration:none}.review-link:hover{text-decoration:underline;text-underline-offset:2px}.row-actions{display:inline-flex;align-items:center;gap:4px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--radius-sm);background:transparent;border:1px solid transparent;color:var(--text-secondary);cursor:pointer;transition:background var(--transition-quick),color var(--transition-quick)}.icon-btn:hover{background:var(--surface-hover);color:var(--text-primary)}.icon-btn.is-danger:hover{color:var(--danger)}.empty{border:1px dashed var(--border);border-radius:var(--radius);padding:56px 24px;text-align:center;background:var(--surface)}.empty h3{font-size:16px;font-weight:600;color:var(--text-primary);margin:0 0 6px}.empty p{font-size:14px;color:var(--text-secondary);margin:0 auto;max-width:44ch;line-height:1.5}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:24px 0 12px}.section-heading h2{font-size:16px;font-weight:600;color:var(--text-primary);margin:0}.section-heading .count{font-size:13px;color:var(--text-secondary)}.user-menu{position:relative}.user-trigger{display:inline-flex;align-items:center;gap:var(--space-sm);height:32px;padding:0 var(--space-sm);border-radius:var(--radius-sm);background:transparent;border:1px solid transparent;cursor:pointer;font-family:inherit;font-size:13px;font-weight:500;color:var(--text-primary);transition:background var(--transition-quick)}.user-trigger:hover{background:var(--surface-hover)}.avatar{width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-family:inherit;font-weight:600;font-size:12px;flex-shrink:0}.user-popover{position:absolute;top:calc(100% + var(--space-xs));right:0;min-width:240px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-modal);z-index:80;animation:fade-in .12s var(--ease-out) both;padding:var(--space-xs)}.user-popover-header{padding:10px 12px;border-bottom:1px solid var(--border);margin-bottom:4px}.user-popover-header .role{font-size:12px;color:var(--text-secondary);text-transform:capitalize;margin-bottom:2px}.user-popover-header .email{font-size:13px;color:var(--text-primary);word-break:break-all}.user-popover button{display:flex;align-items:center;gap:10px;width:100%;padding:var(--space-sm) var(--space-md);border:none;background:transparent;border-radius:var(--radius-sm);font-family:inherit;font-size:13px;color:var(--text-primary);text-align:left;cursor:pointer;transition:background var(--transition-quick)}.user-popover button:hover{background:var(--surface-hover)}.user-popover button.danger{color:var(--danger)}.user-popover button.danger:hover{background:var(--danger-soft)}.tutor-page{min-height:100vh;display:flex;flex-direction:column;background:var(--surface)}.tutor-main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:24px 24px 96px}.back-link{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--text-secondary);text-decoration:none;margin-bottom:16px;transition:color .12s var(--ease)}button.back-link{background:transparent;border:none;cursor:pointer;font-family:inherit;padding:0;margin-bottom:0}.back-link:hover{color:var(--text-primary)}.tutor-header{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:8px}.tutor-header h1{font-size:24px;font-weight:600;color:var(--text-primary);margin:0 0 8px}.tutor-meta{font-size:14px;color:var(--text-secondary);display:flex;gap:16px;flex-wrap:wrap;margin-bottom:24px}.tutor-meta span{display:inline-flex;align-items:center;gap:6px}.tutor-actions{flex-shrink:0;display:flex;gap:8px}.description-block{margin-bottom:var(--space-2xl);padding-bottom:var(--space-xl);border-bottom:1px solid var(--border)}.description-block-header{display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md)}.description-block-header h2{font-size:14px;font-weight:600;color:var(--text-primary);margin:0}.description-body{font-family:var(--font-serif);font-size:15px;line-height:1.6;color:var(--text-primary);margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.description-empty{font-size:14px;color:var(--text-muted);margin:0;font-style:italic}.description-edit{display:flex;flex-direction:column;gap:var(--space-md)}.description-edit-actions{display:flex;justify-content:flex-end;gap:var(--space-sm)}.field-optional{color:var(--text-muted);font-weight:400;font-size:12px}.modal-backdrop{position:fixed;inset:0;background:#1f232866;z-index:100;display:grid;place-items:center;padding:var(--space-xl);animation:fade-in .15s var(--ease-out) both}.modal{width:100%;max-width:480px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:var(--space-xl);position:relative;box-shadow:var(--shadow-modal)}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.modal h3{font-size:16px;font-weight:600;color:var(--text-primary);margin:0}.modal p{font-size:14px;color:var(--text-secondary);margin:0 0 16px;line-height:1.5}.modal-close{background:transparent;border:none;cursor:pointer;color:var(--text-secondary);padding:var(--space-xs);margin:calc(-1 * var(--space-xs)) calc(-1 * var(--space-xs)) 0 0;border-radius:var(--radius-sm);display:inline-flex;align-items:center;transition:background var(--transition-quick),color var(--transition-quick)}.modal-close:hover{background:var(--surface-hover);color:var(--text-primary)}.invite-link{display:grid;grid-template-columns:1fr auto;gap:8px;margin-bottom:8px}.invite-link input{padding:0 12px;height:36px;font-family:inherit;font-size:13px;color:var(--text-primary);background:var(--surface-muted);border:1px solid var(--border);border-radius:var(--radius-sm);font-variant-numeric:tabular-nums}.invite-link input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #0969da4d}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.launchpad{min-height:100vh;display:flex;flex-direction:column;background:var(--surface)}.launchpad-main{flex:1;display:grid;place-items:start center;padding:56px 24px 96px}.launchpad-card{width:100%;max-width:600px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px}.launchpad-card h1{font-size:20px;font-weight:600;color:var(--text-primary);margin:0 0 12px;line-height:1.3}.launchpad-prompt{font-family:var(--font-serif);font-size:15px;line-height:1.6;color:var(--text-primary);margin:0;max-width:65ch;white-space:pre-wrap;overflow-wrap:anywhere}.launchpad-status{font-size:14px;line-height:1.5;color:var(--text-secondary);margin:0 0 var(--space-xl);max-width:65ch}.launchpad-description{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-muted);padding:var(--space-lg);margin:0 0 var(--space-xl)}.launchpad-description-label{font-size:12px;font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-sm)}.launchpad-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:var(--text-secondary);margin-bottom:20px}.launchpad-note{margin-top:12px;font-size:13px;color:var(--text-secondary)}.editor-top-bar{display:flex;justify-content:space-between;align-items:center;padding:0 var(--space-lg);background:var(--surface);border-bottom:1px solid var(--border);z-index:30;height:var(--nav-height-compact)}.bar-left,.bar-right{display:flex;align-items:center;gap:12px;min-width:0;flex-shrink:0}.bar-center{display:flex;align-items:center;flex:1 1 auto;min-width:0;overflow:hidden;justify-content:center}.bar-left .back-link{margin-bottom:0}.bar-divider{width:1px;height:16px;background:var(--border)}.bar-title{font-size:14px;font-weight:500;color:var(--text-primary);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.save-indicator-inline{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary);white-space:nowrap}.save-indicator-inline .spinner{width:11px;height:11px;border-width:1.5px}.word-count{font-size:13px;color:var(--text-secondary);font-variant-numeric:tabular-nums}.toggle-sidebar-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-sm);background:transparent;border:1px solid transparent;color:var(--text-secondary);cursor:pointer;transition:background var(--transition-quick),color var(--transition-quick)}.toggle-sidebar-btn:hover{background:var(--surface-hover);color:var(--text-primary)}.toggle-sidebar-btn[aria-pressed=true]{color:var(--text-primary)}.read-only-tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-sm);background:var(--surface-muted);color:var(--text-secondary);font-size:12px;font-weight:500}.shared-page{min-height:100vh;display:flex;flex-direction:column;background:var(--surface)}.shared-topbar{height:var(--nav-height-compact);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-lg);border-bottom:1px solid var(--border)}.shared-mode{font-size:13px;color:var(--text-secondary)}.shared-main{flex:1;padding:var(--space-2xl) var(--space-lg) var(--space-3xl);width:100%}.shared-context{max-width:1040px;width:100%;margin:0 auto var(--space-2xl);padding-bottom:var(--space-xl);border-bottom:1px solid var(--border)}.shared-title{font-family:var(--font-serif);font-size:36px;font-weight:600;color:var(--text-primary);margin:var(--space-xs) 0 var(--space-lg);line-height:1.2}.shared-description{font-family:var(--font-serif);font-size:18px;line-height:1.6;color:var(--text-primary);margin:var(--space-xs) 0 var(--space-lg);white-space:pre-wrap;overflow-wrap:anywhere}.shared-status{font-size:13px;color:var(--text-secondary);font-variant-numeric:tabular-nums}.notfound{min-height:100vh;display:grid;place-items:center;padding:32px;text-align:center;background:var(--surface)}.notfound-card{max-width:420px}.notfound h1{font-size:32px;font-weight:600;margin:0 0 8px;color:var(--text-primary);line-height:1}.notfound p{color:var(--text-secondary);margin:0 0 24px;font-size:14px}.page-loading{min-height:100vh;display:grid;place-items:center;text-align:center;background:var(--surface)}.page-loading-inner{display:flex;flex-direction:column;align-items:center;gap:12px}.page-loading p{font-size:13px;color:var(--text-secondary);margin:0}.tiptap{height:auto!important;min-height:100%!important;font-family:var(--font-serif);font-size:18px;line-height:1.6;color:var(--text-primary)}.tiptap :first-child{margin-top:0}.tiptap h1{font-family:var(--font-serif);font-weight:600;font-size:32px;margin:0 0 .5em;text-align:left;line-height:1.2;color:var(--text-primary)}.tiptap h2{font-family:var(--font-serif);font-weight:600;font-size:24px;margin:1.5em 0 .4em;letter-spacing:-.005em;line-height:1.3;color:var(--text-primary)}.tiptap h3{font-family:var(--font-serif);font-weight:600;font-size:19px;margin:1.3em 0 .3em;line-height:1.35;color:var(--text-primary)}.tiptap p{margin:0 0 1em;text-align:left}.tiptap u{text-decoration:underline;text-underline-offset:2px}.tiptap ul,.tiptap ol{padding-left:1.5rem;margin:.8rem 0}.tiptap li p{margin:.2em 0}.tiptap blockquote{border-left:3px solid var(--border);padding-left:16px;color:var(--text-secondary);margin:1.2rem 0}.tiptap .is-empty:before{color:var(--text-muted);content:attr(data-placeholder);float:left;height:0;pointer-events:none}.tiptap:focus,.ProseMirror:focus{outline:none}.ProseMirror{height:auto!important;min-height:100%!important}.editor-paper{position:relative;background:var(--surface);width:100%;max-width:720px;margin:0 auto;min-height:800px;padding:56px var(--space-xl) var(--space-3xl)}.editor-toolbar{display:flex;align-items:center;gap:2px}.editor-toolbar-btn{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;padding:0 6px;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-sans);font-size:13px;cursor:pointer;transition:background var(--transition-quick),color var(--transition-quick)}.editor-toolbar-btn:hover:not(:disabled){background:var(--surface-hover);color:var(--text-primary)}.editor-toolbar-btn:disabled{opacity:.4;cursor:not-allowed}.editor-toolbar-btn.is-active{background:var(--accent-soft);color:var(--accent)}.editor-toolbar-btn strong,.editor-toolbar-btn em{font-size:14px}.editor-toolbar-divider{width:1px;height:16px;background:var(--border);margin:0 6px}.editor-toolbar-select{height:28px;padding:0 26px 0 8px;font-family:inherit;font-size:13px;color:var(--text-primary);background-color:transparent;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23656d76' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 6px center;background-size:12px;border:1px solid transparent;border-radius:var(--radius-sm);appearance:none;cursor:pointer;transition:background-color var(--transition-quick)}.editor-toolbar-select:hover{background-color:var(--surface-hover)}.editor-toolbar-select:focus{outline:none;border-color:var(--accent)}.editor-reading-indicator{position:absolute;top:var(--space-md);right:var(--space-md);z-index:4;display:inline-flex;align-items:center;gap:6px;padding:4px 10px;font-size:12px;color:var(--text-secondary);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm)}.editor-reading-indicator .spinner{width:11px;height:11px;border-width:1.5px}.ai-probe-highlight{background:var(--accent-soft);border-bottom:2px solid var(--accent);cursor:pointer;transition:background .15s var(--ease)}.ai-probe-highlight:hover{background:#0969da2e}.probe-menu{position:absolute;z-index:60;width:340px;padding:14px var(--space-lg);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-modal);animation:probe-pop .2s var(--ease-out) both}@keyframes probe-pop{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.probe-question{font-family:var(--font-sans);font-weight:500;font-size:15px;line-height:1.4;color:var(--text-primary);margin:0 0 10px}.probe-input{width:100%;padding:8px 12px;font-family:inherit;font-size:14px;color:var(--text-primary);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);resize:none;min-height:64px;line-height:1.5;transition:border-color .12s var(--ease),box-shadow .12s var(--ease)}.probe-input::placeholder{color:var(--text-muted)}.probe-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #0969da4d}.probe-actions{display:flex;flex-direction:column-reverse;gap:8px;margin-top:10px}.probe-hint{display:flex;gap:12px;font-size:12px;color:var(--text-secondary)}.probe-hint>span{white-space:nowrap}.probe-hint kbd{font-family:inherit;font-size:11px;padding:1px 5px;border-radius:4px;background:var(--surface-muted);border:1px solid var(--border);color:var(--text-primary)}.probe-actions-buttons{display:flex;justify-content:flex-end;gap:6px}.log-sidebar{height:100%;display:flex;flex-direction:column;background:var(--surface);overflow:hidden}.log-sidebar-header{padding:var(--space-lg);display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--border)}.log-sidebar-header h2{font-size:14px;font-weight:600;color:var(--text-primary);margin:0}.log-sidebar-header .log-count{font-size:12px;color:var(--text-secondary)}.log-scroll{flex:1;overflow-y:auto;padding:8px 0 56px}.log-empty{text-align:center;padding:56px 24px;color:var(--text-secondary)}.log-empty p{font-size:14px;line-height:1.5;max-width:32ch;margin:0 auto}.log-card{padding:10px var(--space-lg) 12px;border-bottom:1px solid var(--border);animation:fade-in .2s var(--ease-out) both}.log-card-header{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:4px}.log-card-time{font-size:12px;color:var(--text-secondary);font-variant-numeric:tabular-nums}.log-snippet-text{margin:0 0 4px;font-size:13px;font-style:normal;color:var(--text-secondary);line-height:1.45;border-left:2px solid var(--border);padding-left:10px}.log-q{margin:0 0 2px;font-size:14px;line-height:1.4;color:var(--text-primary);font-weight:500}.log-a{margin:0;font-size:14px;line-height:1.45;color:var(--text-secondary)}.log-divider{display:flex;align-items:center;margin:10px var(--space-lg) var(--space-xs);gap:10px}.log-divider:after{content:"";flex:1;border-bottom:1px solid var(--border)}.log-divider span{font-size:12px;font-weight:500;color:var(--text-secondary)}.settings-layout{min-height:100vh;display:flex;flex-direction:column;background:var(--surface)}.settings-topbar{height:var(--nav-height);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-xl);border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.settings-frame{flex:1;display:flex;align-items:stretch}.settings-rail{width:var(--sidebar-width-narrow);flex-shrink:0;border-right:1px solid var(--border);padding:var(--space-xl) var(--space-sm);display:flex;flex-direction:column}.settings-rail-groups{display:flex;flex-direction:column;gap:20px}.settings-rail-group{display:flex;flex-direction:column;gap:2px}.settings-rail-label{font-size:12px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em;padding:0 var(--space-md);margin-bottom:4px}.settings-rail-link{display:flex;align-items:center;height:36px;padding:0 var(--space-md);font-size:14px;font-weight:500;color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-sm);transition:background var(--transition-quick),color var(--transition-quick)}.settings-rail-link:hover{background:var(--surface-hover)}.settings-rail-link.is-active{background:var(--surface-hover);color:var(--text-primary)}.settings-rail-link:focus-visible{outline:none;box-shadow:0 0 0 2px #0969da66}.settings-rail-signout{margin-top:auto;padding-top:var(--space-lg);border-top:1px solid var(--border)}.settings-rail-signout button{display:flex;align-items:center;height:36px;width:100%;padding:0 var(--space-md);font-family:inherit;font-size:14px;font-weight:500;color:var(--danger);background:transparent;border:none;cursor:pointer;text-align:left;border-radius:var(--radius-sm);transition:background var(--transition-quick)}.settings-rail-signout button:hover{background:var(--danger-soft)}.settings-rail-signout button:focus-visible{outline:none;box-shadow:0 0 0 2px #cf222e66}.settings-content{flex:1;padding:32px 32px 96px;min-width:0}.settings-content-inner{max-width:640px}.settings-mobile-select{display:none;width:100%;height:36px;padding:0 32px 0 12px;font-family:inherit;font-size:14px;color:var(--text-primary);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:24px;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23656d76' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 10px center;background-size:14px}.settings-mobile-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #0969da66}.settings-section-head{margin-bottom:24px}.settings-section-head h2{font-size:20px;font-weight:600;color:var(--text-primary);margin:0 0 4px;letter-spacing:-.005em}.settings-section-head p{font-size:14px;color:var(--text-secondary);margin:0;line-height:1.5;max-width:60ch}.settings-form{display:flex;flex-direction:column}.settings-group{padding:32px 0;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:24px}.settings-group:first-child{padding-top:0}.settings-group:last-child{border-bottom:none;padding-bottom:0}.settings-form .field{display:flex;flex-direction:column;gap:0;margin:0}.settings-form .field-label{font-size:14px;font-weight:500;color:var(--text-primary);margin:0}.settings-form .field-help{max-width:60ch}.settings-input{margin-top:12px;max-width:400px}.settings-form .input[disabled],.settings-form .input[readonly]{background:var(--surface-muted);color:var(--text-secondary);cursor:not-allowed;-webkit-text-fill-color:var(--text-secondary)}.settings-form .input:focus,.settings-form .input:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #0969da66}.settings-input-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;margin-top:12px;max-width:400px;min-height:32px}.settings-saved{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--success);animation:fade-in .15s var(--ease-out) both}.settings-save-error{font-size:13px;color:var(--danger);margin-top:8px}.settings-toggle-row{display:flex;align-items:flex-start;gap:24px;justify-content:space-between}.settings-toggle-row .field{flex:1;min-width:0}.toggle{width:28px;height:16px;background:var(--border);border-radius:999px;position:relative;cursor:pointer;transition:background .15s var(--ease);border:none;padding:0;flex-shrink:0;margin-top:2px}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:12px;height:12px;background:#fff;border-radius:50%;transition:transform .15s var(--ease)}.toggle[aria-pressed=true],.toggle[aria-checked=true]{background:var(--accent)}.toggle[aria-pressed=true]:after,.toggle[aria-checked=true]:after{transform:translate(12px)}.toggle:disabled{cursor:not-allowed;opacity:.5}.toggle:focus-visible{outline:none;box-shadow:0 0 0 2px #0969da66}.settings-themes{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap}.settings-theme{width:80px;display:flex;flex-direction:column;align-items:stretch;gap:6px;border:1px solid var(--border);border-radius:var(--radius-sm);padding:7px;cursor:pointer;background:var(--surface);position:relative;font-family:inherit;font-size:12px;color:var(--text-primary);text-align:center;transition:border-color .12s var(--ease)}.settings-theme.is-selected{border-color:var(--accent);border-width:2px;padding:6px}.settings-theme[disabled]{cursor:not-allowed;background:var(--surface-muted);color:var(--text-secondary)}.settings-theme:focus-visible{outline:none;box-shadow:0 0 0 2px #0969da66}.settings-theme-preview{height:40px;border-radius:4px;border:1px solid var(--border);display:flex;overflow:hidden}.settings-theme-preview-light,.settings-theme-preview.settings-theme-preview-light{background:linear-gradient(180deg,#fff,#f6f8fa)}.settings-theme-preview-dark,.settings-theme-preview.settings-theme-preview-dark{background:linear-gradient(180deg,#1f2328,#0d1117)}.settings-theme-preview-half{flex:1;height:100%}.settings-theme-label{font-size:12px;font-weight:500}.settings-theme-tag{font-size:10px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em}.settings-theme-check{position:absolute;top:4px;right:4px;width:14px;height:14px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center}.settings-help-list{gap:4px!important}.settings-help-link{display:flex;flex-direction:column;gap:2px;padding:12px;margin:0 -12px;border-radius:var(--radius-sm);text-decoration:none;color:var(--text-primary);transition:background .12s var(--ease)}.settings-help-link:hover{background:var(--surface-hover)}.settings-help-link:focus-visible{outline:none;box-shadow:0 0 0 2px #0969da66}.settings-help-link strong{font-size:14px;font-weight:500;color:var(--text-primary);display:inline-flex;align-items:center;gap:4px}.settings-help-link span{font-size:13px;color:var(--text-secondary);line-height:1.5}.settings-help-ext{color:var(--text-secondary)}.settings-coming-soon{border:1px dashed var(--border);border-radius:var(--radius);padding:24px;text-align:center;color:var(--text-secondary);background:var(--surface)}.settings-coming-soon p{margin:0;font-size:14px}@media(max-width:768px){.settings-rail{display:none}.settings-content{padding:24px 20px 72px}.settings-mobile-select{display:block}}