/* ── Admin Panel Stylesheet ────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+Thai:wght@400;500;600&display=swap');

:root {
  --gold:       #C9A84C;
  --gold-light: #E5C97A;
  --gold-glow:  rgba(201,168,76,0.2);
  --dark1:      #0A0A0A;
  --dark2:      #111111;
  --dark3:      #181818;
  --dark4:      #222222;
  --sidebar-w:  260px;
  --white:      #FFFFFF;
  --gray:       #999999;
  --gray-light: #DDDDDD;
  --success:    #4CAF50;
  --danger:     #F44336;
  --warning:    #FF9800;
  --radius:     10px;
  --transition: 0.25s ease;
}

*,*::before,*::after { box-sizing: border-box; margin:0; padding:0; }
body {
  font-family: 'Noto Sans Thai','Inter',sans-serif;
  background: var(--dark1);
  color: var(--gray-light);
  line-height: 1.6;
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ── Login Page ─────────────────────────────── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--dark1);
  background-image: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(201,168,76,0.06) 0%, transparent 70%);
}
.login-box {
  background: var(--dark3);
  border: 1px solid rgba(201,168,76,0.18);
  border-radius: 16px;
  padding: 48px 44px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.login-logo {
  text-align: center;
  margin-bottom: 32px;
}
.login-logo img { width: 64px; margin: 0 auto 12px; }
.login-logo h1 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold);
}
.login-logo p {
  font-size: .78rem;
  color: var(--gray);
  margin-top: 2px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .8px;
  text-transform: uppercase;
  margin-bottom: 7px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--white);
  font-size: .95rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-group select option { background: var(--dark3); }

.btn-primary {
  width: 100%;
  background: var(--gold);
  color: var(--dark1);
  border: none;
  border-radius: 8px;
  padding: 13px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.btn-primary:hover { background: var(--gold-light); }

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: .88rem;
  margin-bottom: 18px;
}
.alert-danger  { background: rgba(244,67,54,.15); border:1px solid rgba(244,67,54,.3); color:#ef9a9a; }
.alert-success { background: rgba(76,175,80,.15); border:1px solid rgba(76,175,80,.3); color:#a5d6a7; }

/* ── Admin Layout ───────────────────────────── */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  background: var(--dark2);
  border-right: 1px solid rgba(201,168,76,0.1);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}
.sidebar-brand {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(201,168,76,0.1);
  display: flex;
  align-items: center;
  gap: 12px;
}
.sidebar-brand img { width: 38px; }
.sidebar-brand-text h2 {
  font-size: .85rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
}
.sidebar-brand-text p {
  font-size: .7rem;
  color: var(--gray);
}
.sidebar-nav { flex: 1; padding: 16px 0; }
.nav-section-title {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray);
  padding: 10px 20px 6px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  font-size: .88rem;
  color: var(--gray);
  transition: var(--transition);
  position: relative;
}
.sidebar-link i { width: 18px; text-align: center; font-size: .9rem; }
.sidebar-link:hover { color: var(--gold); background: rgba(201,168,76,0.05); }
.sidebar-link.active {
  color: var(--gold);
  background: rgba(201,168,76,0.08);
}
.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--gold);
  border-radius: 0 3px 3px 0;
}
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(201,168,76,0.1);
}
.sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray);
  font-size: .85rem;
  transition: var(--transition);
}
.sidebar-footer a:hover { color: var(--danger); }

/* Main content */
.admin-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.admin-topbar {
  background: var(--dark2);
  border-bottom: 1px solid rgba(201,168,76,0.08);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}
.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .85rem;
  color: var(--gray);
}
.topbar-user .avatar {
  width: 34px; height: 34px;
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: .8rem;
}
.admin-content { padding: 28px; flex: 1; }

/* Cards */
.card {
  background: var(--dark3);
  border: 1px solid rgba(201,168,76,0.1);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}
.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h3 {
  font-size: .95rem;
  font-weight: 600;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-header h3 i { color: var(--gold); }
.card-body { padding: 24px; }

/* Stat cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 18px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--dark3);
  border: 1px solid rgba(201,168,76,0.1);
  border-radius: var(--radius);
  padding: 22px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.stat-icon {
  width: 48px; height: 48px;
  background: rgba(201,168,76,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--gold);
  flex-shrink: 0;
}
.stat-info p { font-size: .75rem; color: var(--gray); }
.stat-info h3 { font-size: 1.6rem; font-weight: 700; color: var(--white); line-height: 1.2; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  padding: 12px 16px;
  text-align: left;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201,168,76,0.05);
  border-bottom: 1px solid rgba(201,168,76,0.15);
}
td {
  padding: 13px 16px;
  font-size: .88rem;
  color: var(--gray-light);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* Badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .5px;
}
.badge-success { background: rgba(76,175,80,.2); color: #81c784; }
.badge-danger  { background: rgba(244,67,54,.2); color: #e57373; }
.badge-warning { background: rgba(255,152,0,.2); color: #ffb74d; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  border-radius: 7px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: inherit;
  text-decoration: none;
}
.btn-gold  { background: var(--gold); color: var(--dark1); }
.btn-gold:hover { background: var(--gold-light); }
.btn-sm    { padding: 5px 12px; font-size: .78rem; }
.btn-danger { background: rgba(244,67,54,.15); color: #ef9a9a; border: 1px solid rgba(244,67,54,.3); }
.btn-danger:hover { background: rgba(244,67,54,.25); }
.btn-outline { background: transparent; border: 1px solid rgba(201,168,76,.3); color: var(--gold); }
.btn-outline:hover { background: rgba(201,168,76,.1); }
.btn-secondary { background: rgba(255,255,255,.06); color: var(--gray-light); border: 1px solid rgba(255,255,255,.1); }
.btn-secondary:hover { background: rgba(255,255,255,.1); }

/* Tabs */
.tab-nav {
  display: flex;
  gap: 4px;
  background: var(--dark4);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 24px;
  width: fit-content;
}
.tab-btn {
  padding: 9px 22px;
  border-radius: 6px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--gray);
  font-family: inherit;
  transition: var(--transition);
}
.tab-btn.active { background: var(--gold); color: var(--dark1); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Misc */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.page-header h2 { font-size: 1.3rem; font-weight: 700; color: var(--white); }
.page-header p  { font-size: .85rem; color: var(--gray); margin-top: 2px; }
.unread-dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--gold);
  border-radius: 50%;
  margin-right: 6px;
}
.service-icon-preview {
  width: 36px; height: 36px;
  background: rgba(201,168,76,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: .9rem;
}
.divider { border: none; border-top: 1px solid rgba(255,255,255,0.06); margin: 20px 0; }

@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .sidebar { transform: translateX(-100%); transition: transform .3s ease; }
  .sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
}