:root{color-scheme:light;--bg: #f4f6fb;--surface: #ffffff;--text: #1f2937;--muted: #6b7280;--primary: #3b82f6;--primary-dark: #2563eb;--border: #e5e7eb;--shadow: 0 10px 30px rgba(15, 23, 42, .08)}:root[data-theme=dark]{color-scheme:dark;--bg: #0f172a;--surface: #111827;--text: #e5e7eb;--muted: #9ca3af;--primary: #38bdf8;--primary-dark: #0ea5e9;--border: #1f2937;--shadow: 0 10px 30px rgba(15, 23, 42, .4)}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{padding:20px 24px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:16px}.app-header h1{margin:0;font-size:22px;font-weight:700}.app-nav{display:flex;gap:12px;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--border);overflow-x:auto;scrollbar-width:thin}.app-nav a{padding:8px 14px;border-radius:5px;font-weight:600;color:var(--muted);background:#f1f5f9;white-space:nowrap;transition:all .2s ease}.app-nav a.router-link-active,.app-nav a:hover{color:#fff;background:var(--primary)}.header-actions{display:flex;align-items:center;gap:10px}.header-hint{margin:6px 0 0;font-size:12px;color:var(--muted)}.app-main{padding:20px 16px 32px}.app-main section{background:var(--surface);padding:20px;border-radius:16px;border:1px solid var(--border);box-shadow:var(--shadow)}.app-main h2{margin-top:0;font-size:20px}.app-main p{margin-bottom:0;color:var(--muted);line-height:1.6}.settings-block{margin-top:20px;padding:16px;border-radius:14px;border:1px solid var(--border);background:#f8fafc}.settings-block h3{margin:0 0 8px;font-size:18px}.form-row{margin-top:12px;display:flex;flex-direction:column;gap:10px}.input{padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:#fff;font-size:14px}.button{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:10px;background:var(--primary);color:#fff;font-weight:600;transition:background .2s ease;border:none;cursor:pointer}.button:disabled{cursor:not-allowed;opacity:.6}.button:hover{background:var(--primary-dark)}.button.ghost{background:#38bdf81f;color:var(--primary);border:1px solid rgba(56,189,248,.35);box-shadow:none}.button.ghost:hover{background:#38bdf838;border-color:#38bdf899}.icon-button{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s ease,transform .2s ease,background .2s ease}.icon-button:hover{border-color:var(--primary);background:#38bdf814;transform:translateY(-1px)}.icon-button svg{width:20px;height:20px;fill:var(--text)}.hint{margin-top:12px;font-size:13px;color:var(--muted)}@media(min-width:900px){.app-shell{display:grid;grid-template-columns:240px 1fr;grid-template-rows:auto 1fr}.app-header{grid-column:1 / -1;padding:24px 32px;align-items:flex-start}.app-nav{flex-direction:column;align-items:stretch;gap:10px;padding:24px 20px;border-right:1px solid var(--border);border-bottom:none;min-height:calc(100vh - 72px)}.app-nav a{border-radius:12px;text-align:left}.app-main{padding:16px}.app-main section{padding:28px 32px}.form-row{flex-direction:row;align-items:center}.input{flex:1}}