:root{color-scheme:light dark;--bg: #f6f7f1;--surface: #fbfcf8;--surface-muted: #eceee7;--text: #1d2025;--muted: #6c737c;--line: #d8ddd3;--accent: #315cff;--accent-strong: #1736b8;--danger: #b44343;--success: #2f7d57;--radius: 8px;font-family:Aptos,Helvetica Neue,Arial,Hiragino Sans,Yu Gothic,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}@media (prefers-color-scheme: dark){:root{--bg: #151713;--surface: #1f221d;--surface-muted: #292d27;--text: #f1f3ed;--muted: #a9afa5;--line: #3d4339;--accent: #7d9cff;--accent-strong: #b5c7ff;--danger: #ffb0a7;--success: #8fdbb6}}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100dvh;color:var(--text);background:linear-gradient(90deg,rgba(49,92,255,.08),transparent 38rem),var(--bg)}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.app-shell{display:grid;grid-template-columns:minmax(320px,420px) minmax(0,1fr);gap:18px;min-height:100dvh;padding:18px}.sidebar,.workspace{border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--surface) 94%,transparent);box-shadow:0 18px 52px #14181414}.sidebar{display:flex;flex-direction:column;gap:15px;padding:18px;overflow:auto}.workspace{display:flex;flex-direction:column;min-width:0;padding:18px}.brand-row,.workspace-header,.header-actions,.actions,.compact-grid,.meta-grid{display:flex;align-items:center}.brand-row,.workspace-header{justify-content:space-between;gap:18px;min-height:58px;border-bottom:1px solid var(--line);padding-bottom:15px}.product-label{margin:0 0 4px;font-size:11px;line-height:1.2;color:var(--accent);font-weight:760;letter-spacing:.06em;text-transform:uppercase}h1,h2,h3,p{margin:0}h1,h2{font-size:clamp(22px,3vw,32px);line-height:1.05;letter-spacing:0}.field{display:grid;gap:7px}.field label{font-size:12px;font-weight:720;color:var(--text)}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--text);outline:none;padding:10px 11px;line-height:1.5}.field textarea{resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}.compact-grid{align-items:start;gap:12px}.compact-grid>*{flex:1}.actions{gap:10px;margin-top:2px}.button,.icon-button{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius);border:1px solid var(--line);min-height:42px;transition:transform .16s ease,border-color .16s ease,background .16s ease}.button{gap:8px;padding:0 14px;font-weight:760;white-space:nowrap}.button:active,.icon-button:active{transform:translateY(1px)}.button.primary{border-color:var(--accent);background:var(--accent);color:#fff}.button.secondary,.icon-button{background:var(--surface);color:var(--text)}.button.secondary:hover,.icon-button:hover{border-color:var(--accent)}.icon-button{width:42px;padding:0}.header-actions{gap:10px}.notice{margin-top:16px;border-radius:var(--radius);padding:12px 14px;font-size:14px}.notice.error{border:1px solid color-mix(in srgb,var(--danger) 45%,transparent);color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,transparent)}.notice.success{border:1px solid color-mix(in srgb,var(--success) 42%,transparent);color:var(--success);background:color-mix(in srgb,var(--success) 10%,transparent)}.empty-state,.skeleton-stack{display:grid;place-items:center;align-content:center;gap:16px;min-height:calc(100dvh - 132px);color:var(--muted)}.empty-state p{font-size:18px;font-weight:720}.skeleton-stack{justify-items:stretch;padding:6vw}.skeleton{height:18px;border-radius:4px;background:linear-gradient(90deg,var(--surface-muted),color-mix(in srgb,var(--surface-muted) 55%,var(--surface)),var(--surface-muted));background-size:200% 100%;animation:shimmer 1.2s ease-in-out infinite}.skeleton.title{width:min(540px,80%);height:42px}.skeleton.wide{width:min(760px,100%)}.skeleton.row{width:min(680px,92%)}.skeleton.short{width:min(420px,64%)}.deck-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:18px;min-height:0;padding-top:18px}.outline-panel,.preview-panel{min-width:0}.thesis{display:grid;gap:9px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-muted);padding:16px}.thesis span{color:var(--accent);font-weight:780;font-size:12px;text-transform:uppercase;letter-spacing:.06em}.thesis p{font-size:clamp(18px,2vw,25px);line-height:1.25;font-weight:760}.slide-list{display:grid;gap:8px;margin-top:12px}.slide-row{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;align-items:start;border-bottom:1px solid var(--line);padding:12px 0}.slide-index{display:inline-flex;justify-content:center;align-items:center;width:38px;height:26px;border:1px solid var(--line);border-radius:6px;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.slide-title{color:var(--text);font-weight:760;line-height:1.25}.slide-headline{margin-top:5px;color:var(--muted);line-height:1.45}.preview-panel{display:grid;align-content:start;gap:12px}.slide-preview{position:sticky;top:18px;min-height:420px;aspect-ratio:16 / 9;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 10%,transparent),transparent 36%),#fbfcf8;color:#1d2025;padding:30px;overflow:hidden}.slide-preview img{position:absolute;right:28px;top:28px;max-width:96px;max-height:42px;object-fit:contain}.preview-kicker{color:#315cff;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.slide-preview h3{max-width:72%;margin-top:82px;font-size:clamp(30px,4vw,48px);line-height:1.02;letter-spacing:0}.slide-preview p:not(.preview-kicker){max-width:68%;margin-top:18px;color:#5e646c;line-height:1.5}.preview-rule{margin-top:54px;height:1px;background:#23262b}.slide-preview strong{display:block;max-width:58%;margin-top:18px;color:#23262b;line-height:1.35}.meta-grid{justify-content:space-between;gap:8px;color:var(--muted);font-size:12px}.meta-grid span{border:1px solid var(--line);border-radius:6px;padding:7px 9px;background:var(--surface)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{to{background-position:-200% 0}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:1ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:1ms!important}}@media (max-width: 1320px){.deck-grid{grid-template-columns:1fr}.slide-preview{position:static;min-height:320px}}@media (max-width: 980px){.app-shell{grid-template-columns:1fr}.slide-preview{min-height:300px}}@media (max-width: 620px){.app-shell{padding:10px}.sidebar,.workspace{padding:14px}.brand-row,.workspace-header{align-items:flex-start;flex-direction:column}.compact-grid,.actions,.header-actions{width:100%}.button{flex:1}.slide-preview{padding:22px}.slide-preview h3,.slide-preview p:not(.preview-kicker),.slide-preview strong{max-width:100%}}