@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&family=Exo+2:wght@300;400;500;600&display=swap');

:root {
  --bg-primary: #0d0f14;
  --bg-secondary: #141720;
  --bg-card: #1a1e28;
  --bg-elevated: #1f2333;
  --border: #2a2f42;
  --border-bright: #3d4460;
  --accent: #e8a020;
  --accent-dim: #b07818;
  --accent-glow: rgba(232,160,32,0.15);
  --text-primary: #e8ecf4;
  --text-secondary: #8892a8;
  --text-muted: #556080;
  --green: #2ecc71;
  --red: #e74c3c;
  --blue: #3498db;
  --orange: #e67e22;
  --purple: #9b59b6;
  --font-display: 'Rajdhani', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --font-body: 'Exo 2', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body { font-family: var(--font-body); background: var(--bg-primary); color: var(--text-primary); min-height: 100vh; display: flex; }

/* Sidebar */
#sidebar { width: 240px; min-height: 100vh; 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; }
.sidebar-logo { padding: 24px 20px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; }
.logo-icon { width: 40px; height: 40px; background: var(--accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.logo-text { font-family: var(--font-display); font-size: 18px; font-weight: 700; letter-spacing: 1px; color: var(--text-primary); line-height: 1.1; }
.logo-sub { font-family: var(--font-mono); font-size: 10px; color: var(--accent); letter-spacing: 3px; text-transform: uppercase; }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-section { padding: 8px 16px 4px; font-family: var(--font-mono); font-size: 10px; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 10px 20px; cursor: pointer; color: var(--text-secondary); font-family: var(--font-body); font-size: 14px; font-weight: 500; border-left: 3px solid transparent; transition: all 0.15s; text-decoration: none; }
.nav-item:hover { color: var(--text-primary); background: rgba(232,160,32,0.05); }
.nav-item.active { color: var(--accent); border-left-color: var(--accent); background: var(--accent-glow); }
.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }
.db-status { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 6px var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }

/* Main */
#main { margin-left: 240px; flex: 1; min-height: 100vh; display: flex; flex-direction: column; }
.topbar { height: 60px; background: var(--bg-secondary); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 28px; position: sticky; top: 0; z-index: 50; }
.topbar-title { font-family: var(--font-display); font-size: 20px; font-weight: 700; letter-spacing: 0.5px; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
#page-content { flex: 1; padding: 28px; overflow-y: auto; }

/* Pages */
.page { display: none; }
.page.active { display: block; }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-family: var(--font-display); font-size: 16px; font-weight: 600; letter-spacing: 0.5px; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; position: relative; overflow: hidden; }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); opacity: 0.6; }
.stat-card.green::before { background: var(--green); }
.stat-card.red::before { background: var(--red); }
.stat-card.blue::before { background: var(--blue); }
.stat-card.purple::before { background: var(--purple); }
.stat-card.orange::before { background: var(--orange); }
.stat-label { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 10px; }
.stat-value { font-family: var(--font-display); font-size: 32px; font-weight: 700; color: var(--text-primary); line-height: 1; margin-bottom: 4px; }
.stat-sub { font-size: 12px; color: var(--text-secondary); }
.stat-icon { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 36px; opacity: 0.08; }

/* Tables */
.table-wrapper { overflow-x: auto; border-radius: 8px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead tr { background: var(--bg-elevated); }
th { padding: 12px 16px; text-align: left; font-family: var(--font-mono); font-size: 11px; font-weight: 400; color: var(--text-muted); letter-spacing: 1.5px; text-transform: uppercase; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 12px 16px; border-bottom: 1px solid var(--border); color: var(--text-secondary); vertical-align: middle; }
td:first-child { color: var(--text-primary); font-weight: 500; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }
.td-actions { display: flex; gap: 6px; white-space: nowrap; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: none; border-radius: 6px; font-family: var(--font-body); font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.15s; white-space: nowrap; text-decoration: none; }
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #f0b030; }
.btn-secondary { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-bright); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: rgba(231,76,60,0.15); color: var(--red); border: 1px solid rgba(231,76,60,0.3); }
.btn-danger:hover { background: rgba(231,76,60,0.25); }
.btn-success { background: rgba(46,204,113,0.15); color: var(--green); border: 1px solid rgba(46,204,113,0.3); }
.btn-success:hover { background: rgba(46,204,113,0.25); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 100px; font-size: 12px; font-weight: 600; font-family: var(--font-mono); letter-spacing: 0.5px; white-space: nowrap; }
.badge-pending { background: rgba(231,76,60,0.15); color: #ff6b6b; border: 1px solid rgba(231,76,60,0.3); }
.badge-in_progress { background: rgba(52,152,219,0.15); color: #5dade2; border: 1px solid rgba(52,152,219,0.3); }
.badge-completed { background: rgba(46,204,113,0.15); color: #2ecc71; border: 1px solid rgba(46,204,113,0.3); }
.badge-cancelled { background: rgba(127,140,141,0.15); color: #95a5a6; border: 1px solid rgba(127,140,141,0.3); }
.badge-paid { background: rgba(46,204,113,0.15); color: #2ecc71; border: 1px solid rgba(46,204,113,0.3); }
.badge-unpaid { background: rgba(231,76,60,0.15); color: #ff6b6b; border: 1px solid rgba(231,76,60,0.3); }
.badge-partial { background: rgba(232,160,32,0.15); color: var(--accent); border: 1px solid rgba(232,160,32,0.3); }
.badge-part { background: rgba(155,89,182,0.15); color: #a569bd; border: 1px solid rgba(155,89,182,0.3); }
.badge-service { background: rgba(52,152,219,0.15); color: #5dade2; border: 1px solid rgba(52,152,219,0.3); }
.badge-payment { background: rgba(46,204,113,0.15); color: #2ecc71; border: 1px solid rgba(46,204,113,0.3); }
.badge-refund { background: rgba(231,76,60,0.15); color: #ff6b6b; border: 1px solid rgba(231,76,60,0.3); }
.badge-expense { background: rgba(232,160,32,0.15); color: var(--accent); border: 1px solid rgba(232,160,32,0.3); }

/* Forms */
.form-grid { display: grid; gap: 16px; }
.form-grid-2 { grid-template-columns: 1fr 1fr; }
.form-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
label { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); letter-spacing: 1.5px; text-transform: uppercase; }
input, select, textarea { background: var(--bg-primary); border: 1px solid var(--border); border-radius: 6px; padding: 9px 12px; color: var(--text-primary); font-family: var(--font-body); font-size: 14px; transition: border-color 0.15s; width: 100%; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
select option { background: var(--bg-secondary); }
textarea { resize: vertical; min-height: 80px; }
.search-bar { display: flex; align-items: center; gap: 10px; background: var(--bg-primary); border: 1px solid var(--border); border-radius: 6px; padding: 0 12px; }
.search-bar input { border: none; background: transparent; padding: 9px 0; flex: 1; }
.search-bar input:focus { box-shadow: none; }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 1000; backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: var(--bg-card); border: 1px solid var(--border-bright); border-radius: 12px; padding: 28px; width: 90%; max-width: 600px; max-height: 90vh; overflow-y: auto; animation: modal-in 0.2s ease; }
@keyframes modal-in { from { opacity:0; transform:translateY(-20px) scale(0.97); } to { opacity:1; transform:translateY(0) scale(1); } }
.modal-lg { max-width: 800px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.modal-title { font-family: var(--font-display); font-size: 20px; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-secondary); font-size: 20px; cursor: pointer; padding: 4px; }
.modal-close:hover { color: var(--text-primary); }
.modal-footer { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* Section */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.section-title { font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: 0.5px; }

/* Toast */
#toast { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast-item { background: var(--bg-elevated); border: 1px solid var(--border-bright); border-radius: 8px; padding: 12px 16px; font-size: 14px; color: var(--text-primary); animation: toast-in 0.3s ease; max-width: 320px; display: flex; align-items: center; gap: 8px; }
.toast-item.success { border-left: 3px solid var(--green); }
.toast-item.error { border-left: 3px solid var(--red); }
@keyframes toast-in { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }

/* Loaders */
.loading { display: flex; align-items: center; justify-content: center; padding: 48px; color: var(--text-muted); gap: 12px; }
.spinner { width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state { text-align: center; padding: 48px; color: var(--text-muted); }
.empty-state .icon { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 15px; }

/* Detail grid */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.detail-item label { display: block; margin-bottom: 4px; }
.detail-value { font-size: 15px; color: var(--text-primary); }

/* Utils */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }
.text-accent { color: var(--accent); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-mono { font-family: var(--font-mono); }
.text-sm { font-size: 13px; }
.text-muted { color: var(--text-muted); }
.font-bold { font-weight: 700; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

@media print {
  #sidebar, .topbar, .no-print { display: none !important; }
  #main { margin-left: 0; }
  body { background: white; color: black; }
}
@media (max-width: 900px) {
  #sidebar { width: 60px; }
  .logo-text, .logo-sub, .nav-item span:not(.nav-icon), .nav-section, .sidebar-footer { display: none; }
  .nav-item { padding: 14px; justify-content: center; }
  #main { margin-left: 60px; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}