:root{--bg:#f6f8fb;--surface:#fff;--surface-soft:#f1f5f9;--text:#1f2937;--muted:#667085;--border:#d9e2ec;--primary:#2563eb;--primary-soft:#dbeafe;--danger:#dc2626;--shadow:0 10px 30px #0f172a14;--radius:14px;--radius-sm:10px;--max-width:1400px}[data-theme=dark]{--bg:#0f172a;--surface:#111827;--surface-soft:#1f2937;--text:#e5e7eb;--muted:#9ca3af;--border:#374151;--primary:#3b82f6;--primary-soft:#1e3a8a;--danger:#ef4444;--shadow:none}[data-theme=warm]{--bg:#fff7ed;--surface:#fff;--surface-soft:#ffedd5;--text:#7c2d12;--muted:#9a3412;--border:#fed7aa;--primary:#ea580c;--primary-soft:#ffedd5;--danger:#dc2626;--shadow:0 10px 30px #7c2d1214}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:Arial,Helvetica,sans-serif}body{min-height:100vh}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}input,select,textarea{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);width:100%;min-height:44px;color:var(--text);padding:10px 12px}button{border-radius:var(--radius-sm);border:1px solid var(--primary);background:var(--primary);color:#fff;min-height:44px;padding:10px 14px;font-weight:600}button.secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.theme-selector{align-items:center;gap:8px;display:flex}.theme-select{min-height:36px;padding:6px 10px}.app-shell{min-height:100vh;padding:16px}.app-container{max-width:var(--max-width);margin:0 auto}.app-header{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;padding:18px 20px}.app-title{margin:0 0 6px;font-size:28px;line-height:1.2}.app-subtitle{color:var(--muted);margin:0 0 16px;font-size:14px}.app-nav{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.nav-link{background:var(--surface-soft);border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;min-height:44px;padding:10px 14px;font-weight:500;display:inline-flex}.nav-link:hover{background:var(--primary-soft);border-color:var(--border)}.nav-link.nav-link-active{background:var(--primary);color:#fff;border-color:var(--primary)}.nav-link.nav-link-active:hover{background:var(--primary);border-color:var(--primary)}.nav-spacer{flex:1}.page-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.page-title{margin-top:0;margin-bottom:18px;font-size:24px}.section-title{margin-top:0;margin-bottom:12px;font-size:18px}.stack{gap:16px;display:grid}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.card-list{gap:12px;display:grid}.card-item{border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:14px}.muted{color:var(--muted)}.calendar-toolbar{flex-wrap:wrap;gap:12px;margin-bottom:20px;display:flex}.calendar-scroll{-webkit-overflow-scrolling:touch;overflow-x:auto}.calendar-grid{min-width:900px}.calendar-day-column,.calendar-week-cell,.calendar-month-cell{background:var(--surface)}.booking-chip{border:1px solid var(--border);background:var(--primary-soft);border-radius:10px;padding:4px;font-size:12px}.inline-actions{flex-wrap:wrap;gap:8px;display:flex}.auth-shell{justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:460px;box-shadow:var(--shadow);padding:24px}.auth-title{margin:0 0 8px;font-size:28px;line-height:1.2}.auth-subtitle{color:var(--muted);margin:0 0 20px;font-size:14px}.auth-actions{gap:12px;display:grid}.auth-divider{border:0;border-top:1px solid var(--border);margin:20px 0}.error-message{color:#991b1b;border-radius:var(--radius-sm);background:#fef2f2;border:1px solid #fecaca;padding:12px 14px}.success-message{color:#166534;border-radius:var(--radius-sm);background:#f0fdf4;border:1px solid #bbf7d0;padding:12px 14px}.toast-container{z-index:9999;width:min(360px,100vw - 32px);position:fixed;top:50%;right:50%}.toast-message{border-radius:var(--radius-sm);box-shadow:var(--shadow);padding:12px 14px;font-size:14px;font-weight:500}.toast-success{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0}.toast-error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}@media (max-width:640px){.auth-card{padding:18px}.auth-title{font-size:24px}}@media (max-width:900px){.app-title{font-size:24px}.form-grid{grid-template-columns:1fr}.page-card{padding:16px}}@media (max-width:640px){.app-shell{padding:12px}.app-header{padding:14px}.app-title{font-size:22px}.app-subtitle{font-size:13px}.app-nav{grid-template-columns:1fr 1fr;gap:8px;display:grid}.nav-spacer{display:none}.page-title{font-size:22px}input,select,button{font-size:16px}}