/* Sellerio — Liquid Glass Design System */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Syne:wght@600;700;800&display=swap');

:root {
  --bg-deep: #0f0500;
  --bg-mid: #1a0a00;
  --bg-warm: #2a1200;
  --accent: #f97316;
  --accent2: #fb923c;
  --accent-green: #22c55e;
  --accent-purple: #a855f7;
  --glass-bg: rgba(253,246,238,0.07);
  --glass-bg-strong: rgba(253,246,238,0.12);
  --glass-border: rgba(255,255,255,0.12);
  --glass-highlight: inset 0 1px 0 rgba(255,255,255,0.15);
  --text-primary: rgba(255,255,255,0.95);
  --text-secondary: rgba(255,255,255,0.6);
  --text-muted: rgba(255,255,255,0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: 'Montserrat', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background orbs */
.bg-orb {
  position: fixed; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0;
}
.bg-orb-1 { width: 600px; height: 600px; background: rgba(249,115,22,0.15); top: -200px; right: -150px; }
.bg-orb-2 { width: 500px; height: 500px; background: rgba(168,85,247,0.08); bottom: -100px; left: -150px; }
.bg-orb-3 { width: 300px; height: 300px; background: rgba(34,197,94,0.06); top: 50%; left: 50%; }

/* Glass card */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(32px) saturate(1.8);
  -webkit-backdrop-filter: blur(32px) saturate(1.8);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-highlight), 0 8px 32px rgba(0,0,0,0.4);
  border-radius: var(--radius);
}
.glass-strong {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(40px) saturate(2.2);
  -webkit-backdrop-filter: blur(40px) saturate(2.2);
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: var(--glass-highlight), 0 16px 48px rgba(0,0,0,0.5);
  border-radius: var(--radius);
}

/* Layout */
.app-layout { display: flex; min-height: 100vh; position: relative; z-index: 1; }
.sidebar {
  width: 260px; min-height: 100vh; padding: 24px 16px;
  background: rgba(253,246,238,0.04);
  backdrop-filter: blur(40px) saturate(2);
  -webkit-backdrop-filter: blur(40px) saturate(2);
  border-right: 1px solid var(--glass-border);
  display: flex; flex-direction: column; gap: 8px;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
  transition: transform 0.3s ease;
}
.sidebar-logo {
  font-family: 'Syne', sans-serif;
  font-size: 20px; font-weight: 800;
  color: var(--accent);
  padding: 8px 12px 20px;
  letter-spacing: -0.5px;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 8px;
}
.sidebar-logo span { color: var(--text-secondary); font-weight: 400; font-size: 12px; display: block; margin-top: 2px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--radius-sm);
  color: var(--text-secondary); text-decoration: none;
  font-size: 14px; font-weight: 500;
  transition: all 0.2s; cursor: pointer; border: none; background: none; width: 100%; text-align: left;
}
.nav-item:hover { background: var(--glass-bg); color: var(--text-primary); }
.nav-item.active { background: rgba(249,115,22,0.15); color: var(--accent); border: 1px solid rgba(249,115,22,0.2); }
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-section { font-size: 10px; font-weight: 600; letter-spacing: 1.5px; color: var(--text-muted); padding: 12px 14px 4px; text-transform: uppercase; }

.main-content { margin-left: 260px; flex: 1; padding: 24px; min-height: 100vh; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; padding: 12px 20px;
}
.topbar-title { font-family: 'Syne', sans-serif; font-size: 24px; font-weight: 700; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }

/* Cards */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.kpi-card { padding: 20px; }
.kpi-label { font-size: 12px; color: var(--text-secondary); font-weight: 500; margin-bottom: 8px; }
.kpi-value { font-family: 'Syne', sans-serif; font-size: 32px; font-weight: 700; line-height: 1; }
.kpi-sub { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

.card { padding: 20px; margin-bottom: 16px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 15px; font-weight: 600; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.2s; font-family: 'Montserrat', sans-serif;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); }
.btn-ghost { background: var(--glass-bg); color: var(--text-primary); border: 1px solid var(--glass-border); }
.btn-ghost:hover { background: var(--glass-bg-strong); }
.btn-danger { background: rgba(239,68,68,0.15); color: #ef4444; border: 1px solid rgba(239,68,68,0.2); }
.btn-success { background: rgba(34,197,94,0.15); color: #22c55e; border: 1px solid rgba(34,197,94,0.2); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { width: 34px; height: 34px; padding: 0; justify-content: center; }

/* Form */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; letter-spacing: 0.5px; text-transform: uppercase; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  color: var(--text-primary); font-size: 14px; font-family: 'Montserrat', sans-serif;
  outline: none; transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent); background: var(--glass-bg-strong);
}
.form-input::placeholder { color: var(--text-muted); }
.form-select option { background: #1a0a00; color: var(--text-primary); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 10px 12px; color: var(--text-muted); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; border-bottom: 1px solid var(--glass-border); }
td { padding: 12px; border-bottom: 1px solid rgba(255,255,255,0.04); }
tr:hover td { background: var(--glass-bg); }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 99px; font-size: 11px; font-weight: 600;
}
.badge-orange { background: rgba(249,115,22,0.15); color: var(--accent); }
.badge-green { background: rgba(34,197,94,0.15); color: #22c55e; }
.badge-red { background: rgba(239,68,68,0.15); color: #ef4444; }
.badge-purple { background: rgba(168,85,247,0.15); color: #a855f7; }
.badge-blue { background: rgba(59,130,246,0.15); color: #60a5fa; }
.badge-gray { background: rgba(255,255,255,0.08); color: var(--text-secondary); }

/* Priority colors */
.priority-urgent { color: #ef4444; }
.priority-high { color: var(--accent); }
.priority-medium { color: #eab308; }
.priority-low { color: var(--text-secondary); }

/* Timer */
.timer-display {
  font-family: 'Syne', sans-serif; font-size: 36px; font-weight: 700;
  color: var(--accent); letter-spacing: 2px; text-align: center; padding: 12px 0;
}
.timer-controls { display: flex; gap: 8px; justify-content: center; margin-top: 8px; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px); z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px; opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: rgba(26,10,0,0.95);
  backdrop-filter: blur(40px) saturate(2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px; width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 32px 80px rgba(0,0,0,0.8);
}
.modal-title { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 700; margin-bottom: 20px; }
.modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; }

/* Avatar */
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(249,115,22,0.2); border: 1px solid rgba(249,115,22,0.3);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: var(--accent);
  overflow: hidden; flex-shrink: 0;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-lg { width: 56px; height: 56px; font-size: 20px; }

/* Status dot */
.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.status-dot-green { background: #22c55e; box-shadow: 0 0 6px #22c55e; }
.status-dot-red { background: #ef4444; }
.status-dot-orange { background: var(--accent); }
.status-dot-gray { background: var(--text-muted); }

/* Tabs */
.tabs { display: flex; gap: 4px; margin-bottom: 20px; padding: 4px; background: var(--glass-bg); border-radius: var(--radius-sm); width: fit-content; }
.tab { padding: 7px 16px; border-radius: 8px; font-size: 13px; font-weight: 500; cursor: pointer; color: var(--text-secondary); transition: all 0.2s; border: none; background: none; font-family: 'Montserrat', sans-serif; }
.tab.active { background: rgba(249,115,22,0.2); color: var(--accent); }

/* Notification bell */
.notif-btn { position: relative; }
.notif-badge { position: absolute; top: -4px; right: -4px; width: 16px; height: 16px; background: var(--accent); border-radius: 50%; font-size: 10px; font-weight: 700; display: flex; align-items: center; justify-content: center; }

/* Attendance clock */
.clock-widget { text-align: center; padding: 24px; }
.clock-time { font-family: 'Syne', sans-serif; font-size: 48px; font-weight: 800; color: var(--accent); }
.clock-date { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }
.clock-status { margin: 16px 0; }

/* Chart container */
.chart-container { position: relative; height: 260px; }

/* Scrollbar */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(249,115,22,0.3); border-radius: 99px; }

/* Mobile */
.mobile-header {
  display: none; position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  padding: 12px 16px; align-items: center; justify-content: space-between;
  background: rgba(15,5,0,0.9); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}
.hamburger { background: none; border: none; color: var(--text-primary); cursor: pointer; padding: 4px; }
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 99; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }
  .main-content { margin-left: 0; padding: 72px 16px 16px; }
  .mobile-header { display: flex; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .topbar { display: none; }
  .timer-display { font-size: 28px; }
  .modal { padding: 20px; }
  table { min-width: 600px; }
}

/* Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-muted { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-green { color: #22c55e; }
.text-red { color: #ef4444; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 768px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* Toast */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 12px 18px; border-radius: var(--radius-sm);
  background: rgba(26,10,0,0.95); border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px); font-size: 14px; font-weight: 500;
  display: flex; align-items: center; gap: 8px;
  animation: slideIn 0.3s ease; min-width: 240px;
}
.toast-success { border-color: rgba(34,197,94,0.3); }
.toast-error { border-color: rgba(239,68,68,0.3); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Sidebar bottom user */
.sidebar-user { margin-top: auto; padding: 12px; border-top: 1px solid var(--glass-border); display: flex; align-items: center; gap: 10px; }
.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 11px; color: var(--text-muted); }

/* Empty state */
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-muted); }
.empty-state svg { opacity: 0.3; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }