:root{--bg:#0b0c10;--fg:#222;--card:#fff;--muted:#6b7280;--primary:#2563eb;--danger:#dc2626;--ok:#16a34a}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;background:#f6f7fb;color:#111}
.container{max-width:1100px;margin:16px auto;padding:0 16px}
.navbar{display:flex;justify-content:space-between;align-items:center;background:#111827;color:#fff;padding:10px 20px;box-shadow:0 2px 4px rgba(0,0,0,.12);position:sticky;top:0;z-index:40}
.navbar .brand{color:#fff;text-decoration:none;font-weight:700;margin-right:20px;letter-spacing:.5px}
.navbar nav a{color:#9ca3af;text-decoration:none;margin:0 10px;padding:6px 10px;border-radius:6px;font-size:.9rem;transition:.15s background,color}
.navbar nav a:hover{color:#fff;background:#1f2937}
.navbar nav a.active{background:#2563eb;color:#fff}
.user-pill{background:#1f2937;padding:6px 10px;border-radius:20px;font-size:.8rem}
.navbar .btn{background:#2563eb;color:#fff;padding:8px 14px;border-radius:8px;text-decoration:none;font-size:.85rem}

.card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:18px;box-shadow:0 3px 6px rgba(0,0,0,.05);position:relative}
.card h3{margin:0 0 6px;font-size:.95rem;font-weight:600;color:#374151}

/* Login */
.login-page{display:grid;place-items:center;min-height:100vh;background:linear-gradient(135deg,#e0e7ff,#fce7f3)}
.login-card{background:#fff;padding:24px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.1);min-width:320px}
.login-card h1{margin-top:0}
.login-card label{display:block;margin:10px 0}
.login-card input{width:100%;padding:10px;border:1px solid #d1d5db;border-radius:8px}
.login-card button{width:100%;padding:10px;margin-top:8px;background:#2563eb;border:none;color:#fff;border-radius:8px}
.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca;border-radius:8px;padding:8px;margin:10px 0}

/* Tables */
table{width:100%;border-collapse:separate;border-spacing:0 6px}
thead th{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:#6b7280;text-align:left;padding:8px 10px}
tbody tr{background:#fff;border-radius:10px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
tbody td{padding:10px 12px;border-top:1px solid #f3f4f6;border-bottom:1px solid #f3f4f6;font-size:.9rem}
tbody tr:hover{background:#f9fafb}

/* Summary table interactions */
#summary-container table tbody tr.open-from-summary{cursor:pointer}
#summary-container table tbody tr.open-from-summary:hover{background:#eef2ff}

.btn{display:inline-block;background:#2563eb;color:#fff;padding:8px 12px;border-radius:8px;text-decoration:none;border:none;cursor:pointer}
.btn.secondary{background:#6b7280}
.btn.danger{background:#dc2626}
.btn.small{padding:6px 8px;font-size:.85rem}
.input, select, textarea{padding:8px;border:1px solid #d1d5db;border-radius:8px}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.4);display:none;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal.open{display:flex}
.modal .dialog{background:#fff;border-radius:12px;max-width:900px;width:100%;padding:16px;max-height:90vh;overflow:auto}
.modal .dialog h3{margin-top:0}

/* Calendar */
.grid{display:grid;gap:8px}
.grid.cal{grid-template-columns:repeat(7,1fr)}
.day{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:8px 6px;min-height:86px;display:flex;flex-direction:column;gap:4px;font-size:.8rem;position:relative}
.day .date{font-weight:700;color:#374151;font-size:.85rem}
.day:hover{background:#f1f5f9;cursor:pointer}
.calendar-header{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-bottom:6px}
.calendar-header div{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:#6b7280;text-align:center}

.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.row-actions{display:flex;gap:6px}
.search-bar{display:flex;gap:8px;margin:12px 0}
.search-bar input{flex:1}
.badge{display:inline-block;padding:4px 10px;border-radius:8px;font-size:.65rem;font-weight:600;background:#e5e7eb;color:#374151;margin-right:4px}
.fade-in{animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}