/* ============================================================
   BALARAM uPVC — ADMIN PANEL STYLESHEET
   File: css/admin.css
   ============================================================ */

:root {
  --admin-sidebar: #0c2d4e;
  --admin-sidebar-hover: rgba(255,255,255,0.08);
  --admin-bg: #f1f5f9;
  --admin-card: #ffffff;
  --admin-border: #e2e8f0;
  --admin-primary: #1a7abf;
  --admin-text: #1e293b;
  --admin-muted: #64748b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', 'Segoe UI', Arial, sans-serif; background: var(--admin-bg); color: var(--admin-text); }

/* ============================================================
   LAYOUT
   ============================================================ */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.admin-sidebar {
  background: var(--admin-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  width: 240px;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.admin-sidebar-logo {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.admin-sidebar-logo img { height: 36px; width: auto; }

.admin-sidebar-logo span {
  display: block;
  font-size: 0.72rem;
  color: #64a8c8;
  margin-top: 4px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-nav { flex: 1; padding: 1rem 0; }

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: #94c7e8;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: all 0.2s;
  text-decoration: none;
}

.admin-nav-item:hover { background: var(--admin-sidebar-hover); color: #fff; }
.admin-nav-item.active { background: rgba(26,122,191,0.3); color: #fff; border-right: 3px solid var(--admin-primary); }
.admin-nav-item .nav-icon { font-size: 1.1rem; }

.admin-sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.admin-logout-btn {
  width: 100%;
  padding: 0.6rem 1rem;
  background: rgba(239,68,68,0.15);
  color: #fca5a5;
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}
.admin-logout-btn:hover { background: rgba(239,68,68,0.3); color: #fff; }

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.admin-main {
  margin-left: 240px;
  padding: 2rem;
  min-height: 100vh;
  min-width: 0;
  width: calc(100vw - 240px);
  overflow-x: hidden;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-topbar h1 { font-size: 1.5rem; font-weight: 700; color: var(--admin-text); }

.admin-user-tag {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--admin-muted);
}

.admin-avatar {
  width: 36px; height: 36px;
  background: var(--admin-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.admin-section { width: 100%; }

/* ============================================================
   STAT CARDS
   ============================================================ */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--admin-card);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--admin-border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  position: relative;
  overflow: hidden;
}

.stat-card-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--admin-muted);
  margin-bottom: 0.5rem;
}

.stat-card-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--admin-text);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-card-sub { font-size: 0.78rem; color: var(--admin-muted); }

.stat-card-icon {
  font-size: 1.5rem;
  position: absolute;
  top: 1rem;
  right: 1rem;
  opacity: 0.2;
}

/* ============================================================
   CARDS & TABLES
   ============================================================ */
.admin-card {
  background: var(--admin-card);
  border-radius: 12px;
  border: 1px solid var(--admin-border);
  overflow: hidden;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  width: 100%;
}

.admin-card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.admin-card-header h2 { font-size: 1rem; font-weight: 700; }

.admin-card-body {
  padding: 1.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 500px;
}

.admin-table th {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--admin-muted);
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
}

.admin-table td {
  padding: 1rem;
  font-size: 0.88rem;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: #f8fafc; }

/* ============================================================
   BADGES & BUTTONS
   ============================================================ */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.badge-pending  { background: #fef3c7; color: #92400e; }
.badge-approved { background: #d1fae5; color: #065f46; }
.badge-rejected { background: #fee2e2; color: #991b1b; }

.btn-approve, .btn-reject {
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: inherit;
  margin-right: 0.25rem;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.btn-approve { background: #d1fae5; color: #065f46; }
.btn-reject  { background: #fee2e2; color: #991b1b; }
.btn-approve:hover, .btn-reject:hover { opacity: 0.75; }

/* ============================================================
   MISC
   ============================================================ */
.location-dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: #34d399;
  border-radius: 50%;
  margin-right: 6px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.admin-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0c2d4e, #0e3f6e);
}

.admin-login-card {
  background: #fff;
  border-radius: 16px;
  padding: 2.5rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.admin-login-card img { height: 44px; margin: 0 auto 1.5rem; display: block; }
.admin-login-card h2 { text-align: center; font-size: 1.2rem; margin-bottom: 0.5rem; color: #0c2d4e; }
.admin-login-card p  { text-align: center; font-size: 0.85rem; color: #64748b; margin-bottom: 1.5rem; }

/* ============================================================
   RESPONSIVE — MOBILE (max 900px)
   ============================================================ */
@media (max-width: 900px) {

  /* Stack layout vertically */
  .admin-layout {
    display: block !important;
  }

  /* Sidebar becomes horizontal top bar */
  .admin-sidebar {
    position: relative !important;
    width: 100% !important;
    height: auto !important;
    flex-direction: column;
    overflow-y: visible;
  }

  .admin-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 0.5rem;
    gap: 0.25rem;
    flex: none;
  }

  .admin-nav-item {
    width: auto !important;
    padding: 0.5rem 0.75rem;
    font-size: 0.78rem;
    border-right: none !important;
  }

  .admin-nav-item.active {
    border-right: none !important;
    border-bottom: 2px solid var(--admin-primary);
  }

  .admin-sidebar-footer {
    padding: 0.5rem 1rem;
    border-top: 1px solid rgba(255,255,255,0.08);
  }

  .admin-logout-btn { width: auto; }

  /* Main content full width */
  .admin-main {
    margin-left: 0 !important;
    width: 100% !important;
    padding: 1rem;
  }

  /* Stats 2 columns */
  .admin-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .stat-card { padding: 1rem; }
  .stat-card-value { font-size: 1.5rem; }

  .admin-topbar h1 { font-size: 1.1rem; }
}