: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 rgba(15,23,42,.08);--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 rgba(124,45,18,.08)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}body{min-height:100vh}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);background:var(--surface);color:var(--text)}button,input,select,textarea{min-height:44px;border-radius:var(--radius-sm)}button{padding:10px 14px;border:1px solid var(--primary);background:var(--primary);color:#fff;font-weight:600}button.secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.theme-selector{display:flex;align-items:center;gap:8px}.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);padding:18px 20px;margin-bottom:20px}.app-title{margin:0 0 6px;font-size:28px;line-height:1.2}.app-subtitle{margin:0 0 16px;color:var(--muted);font-size:14px}.app-nav{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.nav-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 14px;border-radius:10px;background:var(--surface-soft);border:1px solid transparent;font-weight:500}.nav-link:hover{background:var(--primary-soft);border-color:var(--border)}.nav-link.nav-link-active{color:#fff}.nav-link.nav-link-active,.nav-link.nav-link-active:hover{background:var(--primary);border-color:var(--primary)}.nav-spacer{flex:1 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{display:grid;grid-gap:16px;gap:16px}.form-grid{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}.card-list{display:grid;grid-gap:12px;gap:12px}.card-item{border:1px solid var(--border);border-radius:12px;padding:14px;background:var(--surface)}.muted{color:var(--muted)}.calendar-toolbar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.calendar-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.calendar-grid{min-width:900px}.calendar-day-column,.calendar-month-cell,.calendar-week-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{display:flex;gap:8px;flex-wrap:wrap}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.auth-card{width:100%;max-width:460px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.auth-title{margin:0 0 8px;font-size:28px;line-height:1.2}.auth-subtitle{margin:0 0 20px;color:var(--muted);font-size:14px}.auth-actions{display:grid;grid-gap:12px;gap:12px}.auth-divider{margin:20px 0;border:0;border-top:1px solid var(--border)}.error-message{border:1px solid #fecaca;background:#fef2f2;color:#991b1b;padding:12px 14px;border-radius:var(--radius-sm)}.success-message{border:1px solid #bbf7d0;background:#f0fdf4;color:#166534;padding:12px 14px;border-radius:var(--radius-sm)}.toast-container{position:fixed;top:50%;right:50%;z-index:9999;width:min(360px,calc(100vw - 32px))}.toast-message{padding:12px 14px;border-radius:var(--radius-sm);box-shadow:var(--shadow);font-size:14px;font-weight:500}.toast-success{border:1px solid #bbf7d0;background:#f0fdf4;color:#166534}.toast-error{border:1px solid #fecaca;background:#fef2f2;color:#991b1b}@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{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.nav-spacer{display:none}.page-title{font-size:22px}button,input,select{font-size:16px}}