:root{--bg: #faf9f7;--surface: #ffffff;--surface-sunken: #f3f2ef;--surface-hover: #eeece8;--border: rgba(20, 20, 18, .09);--border-strong: rgba(20, 20, 18, .16);--text: #1c1b19;--text-secondary: #6b6a66;--text-tertiary: #9a9995;--accent: #0e6b60;--accent-hover: #0a544b;--accent-soft: #e4f1ee;--accent-text-on: #ffffff;--danger: #ae2c1d;--danger-soft: #fbeae7;--success: #1f7a4d;--success-soft: #e8f5ee;--warning-soft: #fdf3e2;--warning-border: #ecd39b;--sidebar-bg: #17181a;--sidebar-text: #d7d5d0;--sidebar-text-dim: #85837e;--sidebar-border: rgba(255, 255, 255, .07);--sidebar-hover: rgba(255, 255, 255, .06);--radius-s: 6px;--radius-m: 9px;--radius-l: 13px;--shadow-s: 0 1px 2px rgba(20, 20, 18, .06);--shadow-m: 0 6px 20px rgba(20, 20, 18, .1);--shadow-l: 0 16px 48px rgba(20, 20, 18, .18);--avatar-slate-bg: #e4e9f2;--avatar-slate-fg: #3d5170;--avatar-clay-bg: #f3e4dc;--avatar-clay-fg: #8a4a30;--avatar-olive-bg: #eaeedb;--avatar-olive-fg: #5d6b32;--avatar-plum-bg: #eee1ec;--avatar-plum-fg: #7a3f70;--avatar-ochre-bg: #f5ecd7;--avatar-ochre-fg: #8a6a1f;--avatar-rose-bg: #f5e1e0;--avatar-rose-fg: #963f36}@media (prefers-color-scheme: dark){:root{--bg: #131313;--surface: #1b1b1a;--surface-sunken: #232322;--surface-hover: #2a2a29;--border: rgba(255, 255, 255, .09);--border-strong: rgba(255, 255, 255, .16);--text: #eeeeec;--text-secondary: #a3a29d;--text-tertiary: #706f6b;--accent: #3ba394;--accent-hover: #4db6a6;--accent-soft: rgba(59, 163, 148, .16);--danger-soft: rgba(174, 44, 29, .18);--success-soft: rgba(31, 122, 77, .18);--warning-soft: rgba(236, 211, 155, .14);--sidebar-bg: #0e0f10;--shadow-m: 0 6px 20px rgba(0, 0, 0, .4);--shadow-l: 0 16px 48px rgba(0, 0, 0, .55);--avatar-slate-bg: rgba(109, 140, 189, .18);--avatar-slate-fg: #b7c5dc;--avatar-clay-bg: rgba(196, 113, 74, .18);--avatar-clay-fg: #e0a583;--avatar-olive-bg: rgba(150, 163, 90, .18);--avatar-olive-fg: #c3cf96;--avatar-plum-bg: rgba(166, 90, 156, .18);--avatar-plum-fg: #d9a7cf;--avatar-ochre-bg: rgba(196, 152, 60, .18);--avatar-ochre-fg: #e0c078;--avatar-rose-bg: rgba(196, 90, 80, .18);--avatar-rose-fg: #e2a29c}}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,SF Pro Text,Segoe UI,system-ui,sans-serif;font-size:14px;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button{font-family:inherit;color:var(--text);color-scheme:light dark}::selection{background:var(--accent-soft)}input,select,textarea{color:var(--text);color-scheme:light dark}input::placeholder,textarea::placeholder{color:var(--text-tertiary)}.app-shell{display:grid;grid-template-columns:224px 328px 1fr;height:100vh}.sidebar{background:var(--sidebar-bg);color:var(--sidebar-text);padding:18px 14px;overflow-y:auto;display:flex;flex-direction:column;min-height:100vh}.sidebar-brand{display:flex;align-items:center;gap:7px;color:var(--sidebar-text);font-weight:650;font-size:14px;padding:0 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ease}.admin-subtab:hover{background:var(--surface-sunken)}.admin-subtab.active{background:var(--accent);color:var(--accent-text-on);font-weight:600}.settings-section{margin-bottom:30px;padding-bottom:22px;border-bottom:1px solid var(--border)}.settings-section h3{font-size:14px;font-weight:650;margin:0 0 6px}.settings-section h4{font-size:12.5px;font-weight:650;color:var(--text-secondary);margin:18px 0 4px;text-transform:uppercase;letter-spacing:.03em}.signature-item{background:var(--surface-sunken);border-radius:var(--radius-s);padding:11px 13px;margin-bottom:8px;border:1px solid var(--border)}.signature-item pre{white-space:pre-wrap;font-family:inherit;font-size:13px;margin:6px 0}.tag{background:var(--accent-soft);color:var(--accent);font-size:10.5px;padding:2px 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var(--border-strong);background:var(--surface);cursor:pointer;font-size:13px;font-weight:500}.dialog-btn:hover{background:var(--surface-sunken)}.dialog-btn-primary{background:var(--accent);color:var(--accent-text-on);border-color:transparent;font-weight:600}.dialog-btn-primary:hover{background:var(--accent-hover)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;background:none;border-radius:var(--radius-s);cursor:pointer;color:var(--text-secondary);transition:background .12s ease,color .12s ease}.icon-btn:hover{background:var(--surface-sunken);color:var(--text)}.icon-btn.danger:hover{color:var(--danger);background:var(--danger-soft)}.icon-btn-sidebar{color:var(--sidebar-text-dim)}.icon-btn-sidebar:hover{background:var(--sidebar-hover);color:var(--sidebar-text)}.nav-item{display:flex;align-items:center;gap:9px}.nav-item svg{flex-shrink:0;opacity:.85}.nav-item.active svg{opacity:1}