@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---- DARK THEME (default) ---- */
:root, [data-theme="dark"] {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.8);
  --bg-glass: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.15);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99,102,241,0.3);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --sidebar-w: 260px;
  --header-h: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
  --login-bg: linear-gradient(135deg,#0a0e1a 0%,#1e1b4b 50%,#0a0e1a 100%);
  --table-head-bg: rgba(0,0,0,0.2);
  --row-hover: rgba(99,102,241,0.04);
  --shadow-card: 0 25px 60px rgba(0,0,0,0.5);
}

/* ---- LIGHT THEME ---- */
[data-theme="light"] {
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255,255,255,0.9);
  --bg-glass: rgba(0,0,0,0.03);
  --border: rgba(0,0,0,0.1);
  --border-hover: rgba(0,0,0,0.2);
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #4f46e5;
  --accent-hover: #6366f1;
  --accent-glow: rgba(79,70,229,0.2);
  --login-bg: linear-gradient(135deg,#e0e7ff 0%,#c7d2fe 50%,#e0e7ff 100%);
  --table-head-bg: rgba(0,0,0,0.03);
  --row-hover: rgba(79,70,229,0.04);
  --shadow-card: 0 10px 30px rgba(0,0,0,0.08);
}

* { margin:0; padding:0; box-sizing:border-box; }
html,body { height:100%; font-family:'Inter',system-ui,sans-serif; background:var(--bg-primary); color:var(--text-primary); transition: background 0.3s, color 0.3s; }
a { color:var(--accent); text-decoration:none; }
button { cursor:pointer; font-family:inherit; }
input,select,textarea { font-family:inherit; }

/* Scrollbar */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--border-hover); }

/* ---- LOGIN ---- */
.login-page { display:flex; align-items:center; justify-content:center; min-height:100vh; background:var(--login-bg); }
.login-card { background:var(--bg-card); backdrop-filter:blur(20px); border:1px solid var(--border); border-radius:20px; padding:48px 40px; width:100%; max-width:420px; box-shadow:var(--shadow-card); text-align:center; }
.login-logo { margin-bottom:8px; }
.login-card h1 { font-size:1.6rem; font-weight:700; margin-bottom:8px; background:linear-gradient(135deg,#818cf8,#6366f1); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.login-card p { color:var(--text-secondary); font-size:0.9rem; margin-bottom:32px; }
.login-card .form-group { margin-bottom:20px; text-align:left; }
.login-card label { display:block; font-size:0.8rem; color:var(--text-secondary); margin-bottom:6px; font-weight:500; text-transform:uppercase; letter-spacing:0.5px; }
.login-card input { width:100%; padding:12px 16px; background:var(--bg-glass); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:0.95rem; transition:var(--transition); outline:none; }
.login-card input:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-glow); }
.login-card .btn-login { width:100%; padding:14px; background:linear-gradient(135deg,#6366f1,#4f46e5); color:#fff; border:none; border-radius:var(--radius-sm); font-size:1rem; font-weight:600; transition:var(--transition); margin-top:8px; }
.login-card .btn-login:hover { transform:translateY(-1px); box-shadow:0 8px 25px var(--accent-glow); }
.login-card .btn-login:disabled { opacity:0.6; cursor:not-allowed; transform:none; }
.login-error { color:var(--danger); font-size:0.85rem; margin-top:12px; text-align:center; display:none; }

/* ---- LAYOUT ---- */
.app-layout { display:flex; min-height:100vh; }

/* Sidebar */
.sidebar { width:var(--sidebar-w); background:var(--bg-secondary); border-right:1px solid var(--border); display:flex; flex-direction:column; position:fixed; top:0; left:0; bottom:0; z-index:100; transition:var(--transition); }
.sidebar-logo { padding:20px 24px; border-bottom:1px solid var(--border); display:flex; align-items:center; }
.sidebar-logo h2 { font-size:1.1rem; font-weight:700; background:linear-gradient(135deg,#818cf8,#6366f1); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.sidebar-logo span { font-size:0.75rem; color:var(--text-muted); }
.sidebar-nav { flex:1; padding:16px 12px; overflow-y:auto; }
.nav-item { display:flex; align-items:center; gap:12px; padding:11px 16px; border-radius:var(--radius-sm); color:var(--text-secondary); font-size:0.9rem; font-weight:500; transition:var(--transition); cursor:pointer; margin-bottom:2px; border:none; background:none; width:100%; text-align:left; }
.nav-item:hover { background:var(--bg-glass); color:var(--text-primary); }
.nav-item.active { background:linear-gradient(135deg,rgba(99,102,241,0.15),rgba(99,102,241,0.05)); color:var(--accent); border:1px solid rgba(99,102,241,0.2); }
.nav-item svg { width:20px; height:20px; flex-shrink:0; }
.nav-section { font-size:0.7rem; text-transform:uppercase; letter-spacing:1px; color:var(--text-muted); padding:16px 16px 8px; font-weight:600; }
.sidebar-footer { padding:16px; border-top:1px solid var(--border); }
.user-info { display:flex; align-items:center; gap:10px; padding:8px 12px; border-radius:var(--radius-sm); background:var(--bg-glass); }
.user-avatar { width:36px; height:36px; border-radius:50%; background:linear-gradient(135deg,#6366f1,#4f46e5); display:flex; align-items:center; justify-content:center; font-size:0.85rem; font-weight:700; color:#fff; flex-shrink:0; }
.user-name { font-size:0.85rem; font-weight:600; }
.user-role { font-size:0.7rem; color:var(--text-muted); }

/* Main */
.main-content { margin-left:var(--sidebar-w); flex:1; min-height:100vh; }
.page-header { padding:24px 32px; border-bottom:1px solid var(--border); background:var(--bg-secondary); display:flex; align-items:center; justify-content:space-between; }
.page-header h1 { font-size:1.4rem; font-weight:700; }
.page-header p { color:var(--text-secondary); font-size:0.85rem; margin-top:2px; }
.page-body { padding:24px 32px; }

/* ---- COMPONENTS ---- */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:20px; margin-bottom:28px; }
.stat-card { background:var(--bg-card); backdrop-filter:blur(10px); border:1px solid var(--border); border-radius:var(--radius); padding:24px; transition:var(--transition); }
.stat-card:hover { border-color:var(--border-hover); transform:translateY(-2px); }
.stat-card .stat-icon { width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.stat-card .stat-icon.blue { background:rgba(59,130,246,0.15); color:#3b82f6; }
.stat-card .stat-icon.green { background:rgba(16,185,129,0.15); color:#10b981; }
.stat-card .stat-icon.yellow { background:rgba(245,158,11,0.15); color:#f59e0b; }
.stat-card .stat-icon.purple { background:rgba(99,102,241,0.15); color:#6366f1; }
.stat-card .stat-icon.red { background:rgba(239,68,68,0.15); color:#ef4444; }
.stat-card .stat-value { font-size:1.8rem; font-weight:800; margin-bottom:4px; }
.stat-card .stat-label { font-size:0.8rem; color:var(--text-secondary); text-transform:uppercase; letter-spacing:0.5px; }

/* Table */
.table-container { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.table-header { display:flex; align-items:center; justify-content:space-between; padding:16px 20px; border-bottom:1px solid var(--border); flex-wrap:wrap; gap:12px; }
.table-header h3 { font-size:1rem; font-weight:600; }
table { width:100%; border-collapse:collapse; }
thead th { padding:12px 16px; text-align:left; font-size:0.75rem; text-transform:uppercase; letter-spacing:0.5px; color:var(--text-muted); font-weight:600; border-bottom:1px solid var(--border); background:var(--table-head-bg); }
tbody td { padding:12px 16px; font-size:0.88rem; border-bottom:1px solid var(--border); }
tbody tr { transition:var(--transition); }
tbody tr:hover { background:var(--row-hover); }
tbody tr:last-child td { border-bottom:none; }

/* Buttons */
.btn { display:inline-flex; align-items:center; gap:8px; padding:10px 20px; border-radius:var(--radius-sm); font-size:0.88rem; font-weight:600; border:none; transition:var(--transition); cursor:pointer; }
.btn-primary { background:linear-gradient(135deg,#6366f1,#4f46e5); color:#fff; }
.btn-primary:hover { box-shadow:0 4px 15px var(--accent-glow); transform:translateY(-1px); }
.btn-secondary { background:var(--bg-glass); border:1px solid var(--border); color:var(--text-primary); }
.btn-secondary:hover { border-color:var(--border-hover); background:rgba(255,255,255,0.05); }
[data-theme="light"] .btn-secondary:hover { background:rgba(0,0,0,0.05); }
.btn-danger { background:rgba(239,68,68,0.15); color:#ef4444; border:1px solid rgba(239,68,68,0.2); }
.btn-danger:hover { background:rgba(239,68,68,0.25); }
.btn-success { background:rgba(16,185,129,0.15); color:#10b981; border:1px solid rgba(16,185,129,0.2); }
.btn-success:hover { background:rgba(16,185,129,0.25); }
.btn-sm { padding:6px 14px; font-size:0.8rem; }
.btn-icon { padding:8px; border-radius:var(--radius-sm); background:var(--bg-glass); border:1px solid var(--border); color:var(--text-secondary); display:inline-flex; align-items:center; justify-content:center; }
.btn-icon:hover { color:var(--text-primary); border-color:var(--border-hover); }
.btn-icon svg { width:18px; height:18px; }

/* Badge */
.badge { display:inline-flex; align-items:center; padding:4px 10px; border-radius:20px; font-size:0.75rem; font-weight:600; }
.badge-success { background:rgba(16,185,129,0.15); color:#10b981; }
.badge-warning { background:rgba(245,158,11,0.15); color:#f59e0b; }
.badge-danger { background:rgba(239,68,68,0.15); color:#ef4444; }
.badge-info { background:rgba(59,130,246,0.15); color:#3b82f6; }
.badge-purple { background:rgba(99,102,241,0.15); color:#6366f1; }
.badge-neutral { background:rgba(100,116,139,0.15); color:#94a3b8; }
.badge-digital { background:rgba(59,130,246,0.15); color:#3b82f6; }
.badge-print { background:rgba(245,158,11,0.15); color:#f59e0b; }

/* Forms */
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:0.8rem; color:var(--text-secondary); margin-bottom:6px; font-weight:500; }
.form-control { width:100%; padding:10px 14px; background:var(--bg-glass); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:0.9rem; transition:var(--transition); outline:none; }
.form-control:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-glow); }
select.form-control { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; padding-right:36px; }
select.form-control option { background:var(--bg-secondary); color:var(--text-primary); }
textarea.form-control { resize:vertical; min-height:80px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }

/* Modal */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.5); backdrop-filter:blur(4px); display:flex; align-items:center; justify-content:center; z-index:1000; }
.modal-overlay.active { opacity:1; visibility:visible; }
.modal { background:var(--bg-secondary); border:1px solid var(--border); border-radius:16px; width:95%; max-width:600px; max-height:85vh; overflow-y:auto; box-shadow:var(--shadow-card); }
.modal-header { display:flex; align-items:center; justify-content:space-between; padding:20px 24px; border-bottom:1px solid var(--border); }
.modal-header h3 { font-size:1.1rem; font-weight:700; }
.modal-close { width:32px; height:32px; border-radius:8px; display:flex; align-items:center; justify-content:center; background:var(--bg-glass); border:1px solid var(--border); color:var(--text-secondary); cursor:pointer; transition:var(--transition); }
.modal-close:hover { color:var(--danger); border-color:rgba(239,68,68,0.3); }
.modal-close svg { width:16px; height:16px; }
.modal-body { padding:24px; }
.modal-footer { padding:16px 24px; border-top:1px solid var(--border); display:flex; justify-content:flex-end; gap:12px; }

/* Search */
.search-box { position:relative; }
.search-box input { padding-left:36px; min-width:240px; }
.search-box svg { position:absolute; left:12px; top:50%; transform:translateY(-50%); width:16px; height:16px; color:var(--text-muted); }

/* Toast */
.toast-container { position:fixed; top:20px; right:20px; z-index:9999; display:flex; flex-direction:column; gap:8px; }
.toast { padding:14px 20px; border-radius:var(--radius-sm); font-size:0.88rem; font-weight:500; display:flex; align-items:center; gap:10px; min-width:300px; box-shadow:0 8px 30px rgba(0,0,0,0.3); animation:slideIn 0.3s ease; }
.toast-success { background:#065f46; border:1px solid rgba(16,185,129,0.3); color:#6ee7b7; }
.toast-error { background:#7f1d1d; border:1px solid rgba(239,68,68,0.3); color:#fca5a5; }
.toast-info { background:#1e3a5f; border:1px solid rgba(59,130,246,0.3); color:#93c5fd; }
@keyframes slideIn { from { transform:translateX(100%); opacity:0; } to { transform:translateX(0); opacity:1; } }

/* Calendar */
.calendar-grid { display:grid; grid-template-columns:repeat(7,1fr); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.calendar-header-cell { padding:12px; text-align:center; font-size:0.8rem; font-weight:600; color:var(--text-muted); text-transform:uppercase; background:var(--bg-secondary); }
.calendar-cell { background:var(--bg-secondary); min-height:110px; padding:8px; position:relative; transition:var(--transition); cursor:pointer; }
.calendar-cell:hover { background:var(--row-hover); }
.calendar-cell.other-month { opacity:0.3; }
.calendar-cell.today { border:2px solid var(--accent); }
.calendar-date { font-size:0.85rem; font-weight:600; margin-bottom:6px; }
.calendar-events { display:flex; flex-direction:column; gap:2px; }
.calendar-event { font-size:0.68rem; padding:2px 6px; border-radius:4px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.calendar-event.digital { background:rgba(59,130,246,0.2); color:#3b82f6; }
.calendar-event.print { background:rgba(245,158,11,0.2); color:#d97706; }
[data-theme="dark"] .calendar-event.digital { color:#93c5fd; }
[data-theme="dark"] .calendar-event.print { color:#fcd34d; }
.calendar-more { font-size:0.7rem; color:var(--accent); margin-top:2px; }
.calendar-nav { display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.calendar-nav h2 { font-size:1.2rem; font-weight:700; }

/* Tooltip */
.tooltip { position:fixed; background:var(--bg-secondary); border:1px solid var(--border); border-radius:var(--radius-sm); padding:14px 18px; box-shadow:0 10px 40px rgba(0,0,0,0.4); z-index:9999; max-width:320px; pointer-events:none; }
.tooltip h4 { font-size:0.85rem; font-weight:600; margin-bottom:8px; }
.tooltip .tooltip-item { font-size:0.78rem; color:var(--text-secondary); padding:3px 0; display:flex; align-items:center; gap:6px; }
.tooltip .tooltip-dot { width:6px; height:6px; border-radius:50%; flex-shrink:0; }

/* Occupancy Bar */
.occ-bar { height:8px; background:var(--bg-glass); border-radius:4px; overflow:hidden; margin-top:8px; }
.occ-fill { height:100%; border-radius:4px; transition:width 0.5s ease; }
.occ-fill.low { background:var(--success); }
.occ-fill.mid { background:var(--warning); }
.occ-fill.high { background:var(--danger); }

/* Space cards */
.space-cards { display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:20px; }
.space-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:24px; transition:var(--transition); }
.space-card:hover { border-color:var(--border-hover); transform:translateY(-2px); }
.space-card h3 { font-size:1rem; font-weight:600; margin-bottom:4px; }
.space-card .space-dims { font-size:0.82rem; color:var(--text-muted); margin-bottom:12px; }
.space-card .space-stats { display:flex; justify-content:space-between; margin-bottom:12px; }
.space-card .space-stat { text-align:center; }
.space-card .space-stat-val { font-size:1.2rem; font-weight:700; }
.space-card .space-stat-lbl { font-size:0.7rem; color:var(--text-muted); }
.price-grid { display:grid; grid-template-columns:1fr 1fr 1fr; gap:8px; margin-top:12px; }
.price-item { background:var(--bg-glass); border:1px solid var(--border); border-radius:6px; padding:8px; text-align:center; }
.price-item .price-dur { font-size:0.68rem; color:var(--text-muted); margin-bottom:4px; }
.price-item .price-val { font-size:0.82rem; font-weight:600; color:var(--success); }
.price-item .price-buy { font-size:0.7rem; color:var(--text-muted); }
.price-item .price-discount { font-size:0.68rem; font-weight:700; color:var(--accent); margin-top:4px; padding:2px 6px; background:rgba(99,102,241,0.12); border-radius:4px; display:inline-block; }

/* Tabs */
.tabs { display:flex; gap:4px; margin-bottom:20px; border-bottom:1px solid var(--border); padding-bottom:0; }
.tab { padding:10px 20px; font-size:0.88rem; font-weight:500; color:var(--text-secondary); cursor:pointer; border:none; background:none; border-bottom:2px solid transparent; transition:var(--transition); }
.tab:hover { color:var(--text-primary); }
.tab.active { color:var(--accent); border-bottom-color:var(--accent); }

/* Detail page */
.detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:24px; }
.detail-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; }
.detail-card h3 { font-size:0.95rem; font-weight:600; margin-bottom:12px; color:var(--text-secondary); }
.detail-row { display:flex; justify-content:space-between; padding:8px 0; border-bottom:1px solid var(--border); }
.detail-row:last-child { border-bottom:none; }
.detail-label { font-size:0.82rem; color:var(--text-muted); }
.detail-value { font-size:0.88rem; font-weight:500; }

.balance-positive { color:var(--success); }
.balance-negative { color:var(--danger); }

.filter-bar { display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.filter-bar select { padding:8px 32px 8px 12px; }

/* Loading */
.loading { display:flex; align-items:center; justify-content:center; padding:60px; }
.spinner { width:36px; height:36px; border:3px solid var(--border); border-top-color:var(--accent); border-radius:50%; animation:spin 0.8s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

/* Empty state */
.empty-state { text-align:center; padding:60px 20px; }
.empty-state h3 { font-size:1.1rem; margin-bottom:8px; }
.empty-state p { color:var(--text-secondary); font-size:0.88rem; }

/* Responsive */
@media(max-width:1024px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .main-content { margin-left:0; }
  .form-row { grid-template-columns:1fr; }
  .detail-grid { grid-template-columns:1fr; }
}