/* ============================================================
   ABU Gate Pass System - Main Stylesheet
   ============================================================ */

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

:root {
  --primary: #008000;
  --primary-light: #2eb82e;
  --primary-glow: rgba(0, 128, 0, 0.15);
  --accent: #198754;
  --accent-light: #20c997;
  --danger: #dc3545;
  --danger-light: #ff6b6b;
  --warning: #ffc107;
  --warning-light: #ffd166;
  --info: #0dcaf0;
  --bg: #f8f9fa;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card2: #fdfdfd;
  --border: rgba(0, 0, 0, 0.08);
  --text: #212529;
  --text-muted: #6c757d;
  --text-dim: #adb5bd;
  --sidebar-width: 250px;
  --topbar-height: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
}

/* ===================== SCROLLBAR ===================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 4px; }

/* ===================== APP WRAPPER ===================== */
.app-wrapper { display: flex; min-height: 100vh; }

/* ===================== SIDEBAR ===================== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 1000;
  transition: transform var(--transition);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.brand-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.brand-text {
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.3px;
}
.brand-text strong { color: var(--accent); }

.sidebar-nav {
  flex: 1;
  padding: 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition);
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover { background: var(--primary-glow); color: var(--text); }
.nav-item.active {
  background: linear-gradient(90deg, var(--primary-glow), transparent);
  color: var(--accent);
  border-left: 3px solid var(--accent);
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.user-avatar {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #fff;
  flex-shrink: 0;
}
.user-name { font-weight: 600; font-size: 13px; color: var(--text); }
.user-role { font-size: 11px; color: var(--text-muted); }
.logout-btn {
  margin-left: auto;
  color: var(--text-muted);
  display: flex;
  padding: 6px;
  border-radius: 6px;
  transition: all var(--transition);
}
.logout-btn svg { width: 18px; height: 18px; }
.logout-btn:hover { color: var(--danger); background: rgba(220,53,69,0.1); }

/* ===================== MAIN CONTENT ===================== */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top-bar {
  height: var(--topbar-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  position: sticky; top: 0;
  z-index: 100;
}
.menu-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  color: var(--text); padding: 4px;
}
.menu-toggle svg { width: 22px; height: 22px; }
.page-title { font-size: 17px; font-weight: 600; }
.top-bar-right { margin-left: auto; }
.live-time { font-size: 13px; color: var(--text-muted); font-variant-numeric: tabular-nums; }

.content-area { padding: 24px; flex: 1; }

/* ===================== STATS GRID ===================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.stat-icon svg { width: 24px; height: 24px; }
.stat-icon.blue { background: rgba(61,155,233,0.15); color: var(--info); }
.stat-icon.green { background: rgba(0,184,148,0.15); color: var(--accent); }
.stat-icon.red { background: rgba(229,75,75,0.15); color: var(--danger); }
.stat-icon.orange { background: rgba(240,165,0,0.15); color: var(--warning); }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ===================== CARDS ===================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }

/* ===================== TABLE ===================== */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; text-align: left; vertical-align: middle; }
th { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border); }
td { border-bottom: 1px solid var(--border); font-size: 13px; }
tr:hover td { background: rgba(0,0,0,0.02); }
tr:last-child td { border-bottom: none; }

/* ===================== BADGES ===================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.badge-success { background: rgba(0,184,148,0.15); color: var(--accent); }
.badge-danger  { background: rgba(229,75,75,0.15); color: var(--danger); }
.badge-warning { background: rgba(240,165,0,0.15); color: var(--warning); }
.badge-info    { background: rgba(61,155,233,0.15); color: var(--info); }
.badge-muted   { background: rgba(122,146,180,0.15); color: var(--text-muted); }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }
.btn-primary { background: var(--primary-light); color: #fff; }
.btn-primary:hover { background: var(--primary); }
.btn-success { background: var(--accent); color: #fff; }
.btn-success:hover { background: var(--accent-light); }
.btn-danger  { background: var(--danger); color: #fff; }
.btn-danger:hover  { background: var(--danger-light); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ===================== FORMS ===================== */
.form-group { margin-bottom: 16px; }
label { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.3px; }
input[type="text"], input[type="email"], input[type="password"],
input[type="date"], input[type="number"], select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,184,148,0.1);
}
input[type="file"] { padding: 8px; cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row.three { grid-template-columns: 1fr 1fr 1fr; }

/* ===================== ALERTS ===================== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.4s ease;
}
.alert-success { background: rgba(0,184,148,0.15); color: var(--accent); border-left: 3px solid var(--accent); }
.alert-danger  { background: rgba(229,75,75,0.15); color: var(--danger); border-left: 3px solid var(--danger); }
.alert-warning { background: rgba(240,165,0,0.15); color: var(--warning); border-left: 3px solid var(--warning); }

/* ===================== FILTERS BAR ===================== */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filters-bar input, .filters-bar select { width: auto; flex: 1; min-width: 150px; }

/* ===================== EMPTY STATE ===================== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 15px; }

/* ===================== PHOTO PREVIEW ===================== */
.photo-preview {
  width: 80px; height: 80px;
  border-radius: 10px;
  object-fit: cover;
  border: 2px solid var(--border);
  display: block;
}

/* ===================== LOGIN PAGE ===================== */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image: radial-gradient(ellipse at 20% 50%, rgba(0,128,0,0.1) 0%, transparent 60%),
                    radial-gradient(ellipse at 80% 20%, rgba(25,135,84,0.1) 0%, transparent 50%);
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px;
  box-shadow: var(--shadow);
}
.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}
.login-logo .brand-icon { width: 48px; height: 48px; border-radius: 12px; font-size: 22px; }
.login-logo h1 { font-size: 22px; font-weight: 700; }
.login-logo h1 span { color: var(--accent); }

/* ===================== MODAL ===================== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%; max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform var(--transition);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.modal-title { font-size: 16px; font-weight: 700; }
.modal-close {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 22px; line-height: 1;
}
.modal-close:hover { color: var(--danger); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .menu-toggle { display: flex; }
  .form-row, .form-row.three { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .content-area { padding: 16px; }
}