/* ===========================
   KING BARBER — admin-style.css
   =========================== */

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

:root {
  --gold:        #C9A84C;
  --gold-light:  #E8C97A;
  --gold-dark:   #A07830;
  --black:       #0a0a0a;
  --dark:        #111111;
  --dark2:       #1a1a1a;
  --dark3:       #222222;
  --dark4:       #2a2a2a;
  --border:      rgba(255,255,255,0.07);
  --border-gold: rgba(201,168,76,0.2);
  --gray:        #888;
  --gray-light:  #bbb;
  --white:       #f5f5f0;
  --green:       #4caf82;
  --orange:      #e8953a;
  --blue:        #5b9bd5;
  --red:         #e05555;
  --sidebar-w:   260px;
  --font-sans:   'Inter', sans-serif;
  --font-serif:  'Playfair Display', serif;
  --font-display:'Bebas Neue', sans-serif;
  --radius:      10px;
  --transition:  0.25s cubic-bezier(0.4,0,0.2,1);
}

html, body { height: 100%; font-family: var(--font-sans); }
a { text-decoration: none; color: inherit; }

/* ══════════════════════════
   LOGIN PAGE
══════════════════════════ */
.login-page {
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.login-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.login-bg-pattern {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23c9a84c' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.login-bg-glow {
  position: absolute;
  top: -20%; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
}

.login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.login-brand { text-align: center; }
.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  letter-spacing: 0.15em;
  line-height: 1;
  margin-bottom: 6px;
}
.logo-king   { font-family: var(--font-display); font-size: 2rem; color: var(--gold); }
.logo-barber { font-family: var(--font-display); font-size: 1rem; color: var(--gray-light); letter-spacing: 0.4em; }
.login-tagline { font-size: 0.75rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gray); margin-top: 4px; }

.login-card {
  width: 100%;
  background: var(--dark2);
  border: 1px solid var(--border-gold);
  border-radius: 16px;
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}
.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.login-card-header { text-align: center; margin-bottom: 28px; }
.login-icon {
  width: 56px; height: 56px;
  background: rgba(201,168,76,0.1);
  border: 1px solid var(--border-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--gold);
}
.login-icon svg { width: 26px; height: 26px; }
.login-card-header h1 { font-family: var(--font-serif); font-size: 1.6rem; margin-bottom: 4px; }
.login-card-header p  { font-size: 0.85rem; color: var(--gray); }

.login-field { margin-bottom: 18px; }
.login-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}
.field-wrap { position: relative; }
.field-icon {
  position: absolute;
  left: 14px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--gray);
  pointer-events: none;
}
.login-field input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px 44px 13px 40px;
  color: var(--white);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}
.login-field input:focus { border-color: var(--gold); background: rgba(201,168,76,0.04); }
.login-field input::placeholder { color: var(--gray); }

.toggle-password {
  position: absolute;
  right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none;
  color: var(--gray); cursor: pointer;
  padding: 4px; display: flex; align-items: center;
  transition: color var(--transition);
}
.toggle-password:hover { color: var(--gold); }
.toggle-password svg { width: 16px; height: 16px; }

.login-error {
  background: rgba(224,85,85,0.1);
  border: 1px solid rgba(224,85,85,0.3);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 0.83rem;
  color: #ff8080;
  margin-bottom: 16px;
}

.login-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  border: none; border-radius: 8px;
  color: var(--black);
  font-size: 0.9rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: opacity var(--transition), transform var(--transition);
  margin-top: 4px;
}
.login-btn:hover:not(:disabled) { opacity: 0.9; transform: translateY(-1px); }
.login-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.login-btn-spinner svg {
  width: 18px; height: 18px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.login-footer { margin-top: 20px; text-align: center; }
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.83rem; color: var(--gray);
  transition: color var(--transition);
}
.back-link:hover { color: var(--gold); }
.back-link svg { width: 14px; height: 14px; }

.login-copyright { font-size: 0.73rem; color: var(--gray); opacity: 0.6; }

/* ══════════════════════════
   ADMIN LAYOUT
══════════════════════════ */
.admin-page {
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  display: flex;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--dark2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform var(--transition);
}

.sidebar-logo {
  padding: 28px 24px 8px;
  display: flex; flex-direction: column;
  letter-spacing: 0.15em; line-height: 1;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
}
.sidebar-label {
  padding: 20px 24px 8px;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gray);
}

.sidebar-nav {
  flex: 1;
  padding: 4px 12px;
  display: flex; flex-direction: column; gap: 2px;
}
.sidebar-link {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-light);
  position: relative;
  transition: background var(--transition), color var(--transition);
}
.sidebar-link svg { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar-link:hover { background: rgba(255,255,255,0.05); color: var(--white); }
.sidebar-link.active { background: rgba(201,168,76,0.12); color: var(--gold); }
.sidebar-link.active svg { color: var(--gold); }
.sidebar-badge {
  margin-left: auto;
  background: var(--orange);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  min-width: 20px; height: 20px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 5px;
}
.sidebar-badge[data-count="0"] { display: none; }

.sidebar-bottom {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 8px;
}
.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
}
.user-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700;
  color: var(--black); flex-shrink: 0;
}
.user-email { display: block; font-size: 0.78rem; color: var(--white); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 140px; }
.user-role  { display: block; font-size: 0.7rem; color: var(--gray); }
.sidebar-logout {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: none; border: none;
  border-radius: 8px;
  font-size: 0.85rem; color: var(--gray);
  cursor: pointer;
  width: 100%;
  transition: background var(--transition), color var(--transition);
}
.sidebar-logout svg { width: 16px; height: 16px; }
.sidebar-logout:hover { background: rgba(224,85,85,0.1); color: var(--red); }

/* ── Mobile header ── */
.mobile-header {
  display: none;
  position: fixed; top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 190;
}
.sidebar-toggle, .mobile-logout {
  width: 36px; height: 36px;
  background: none; border: none;
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border-radius: 6px;
  transition: background var(--transition);
}
.sidebar-toggle:hover, .mobile-logout:hover { background: rgba(255,255,255,0.08); }
.sidebar-toggle svg, .mobile-logout svg { width: 20px; height: 20px; }
.mobile-logo { display: flex; gap: 4px; align-items: baseline; }
.mobile-logo .logo-king   { font-family: var(--font-display); font-size: 1.3rem; color: var(--gold); }
.mobile-logo .logo-barber { font-family: var(--font-display); font-size: 0.7rem; color: var(--gray-light); letter-spacing: 0.3em; }

.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 199;
}

/* ── Main ── */
.admin-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  background: var(--black);
}
.admin-section { display: none; padding: 36px 40px; }
.admin-section.active { display: block; }

/* ── Page header ── */
.page-header {
  display: flex; align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 32px; gap: 16px; flex-wrap: wrap;
}
.page-title   { font-family: var(--font-serif); font-size: 1.9rem; margin-bottom: 4px; }
.page-subtitle { font-size: 0.85rem; color: var(--gray); }

/* ── Buttons ── */
.btn-gold {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  background: var(--gold); color: var(--black);
  font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  border: none; border-radius: 6px; cursor: pointer;
  transition: opacity var(--transition);
}
.btn-gold:hover { opacity: 0.88; }
.btn-gold svg { width: 14px; height: 14px; }

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border-gold); color: var(--gold);
  font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 6px; background: transparent;
  cursor: pointer; text-decoration: none;
  transition: background var(--transition);
}
.btn-outline:hover { background: rgba(201,168,76,0.07); }
.btn-outline svg { width: 14px; height: 14px; }

.btn-outline-sm {
  padding: 8px 16px;
  border: 1px solid var(--border); color: var(--gray-light);
  font-size: 0.78rem; font-family: var(--font-sans);
  border-radius: 6px; background: transparent; cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-outline-sm:hover { border-color: var(--border-gold); color: var(--gold); }

.btn-text {
  background: none; border: none;
  color: var(--gold); font-size: 0.82rem;
  cursor: pointer; padding: 0;
  transition: opacity var(--transition);
}
.btn-text:hover { opacity: 0.75; }

/* ── Stats grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex; align-items: center; gap: 16px;
  transition: border-color var(--transition);
}
.stat-card:hover { border-color: var(--border-gold); }
.stat-card-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.stat-card-icon svg { width: 22px; height: 22px; }
.stat-card-icon.gold   { background: rgba(201,168,76,0.12); color: var(--gold); }
.stat-card-icon.orange { background: rgba(232,149,58,0.12); color: var(--orange); }
.stat-card-icon.blue   { background: rgba(91,155,213,0.12); color: var(--blue); }
.stat-card-icon.green  { background: rgba(76,175,130,0.12); color: var(--green); }
.stat-card-num   { display: block; font-family: var(--font-display); font-size: 2.2rem; line-height: 1; }
.stat-card-label { display: block; font-size: 0.78rem; color: var(--gray); margin-top: 4px; }

/* ── Panel ── */
.panel {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow: hidden;
}
.panel-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.panel-header h3 { font-size: 1rem; font-weight: 600; }
.panel-body { padding: 8px 0; min-height: 80px; }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 40px 24px;
  color: var(--gray);
}
.empty-state span { font-size: 2rem; display: block; margin-bottom: 10px; }
.empty-state p { font-size: 0.88rem; }

/* ── Compact appointment row (dashboard panels) ── */
.appt-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.appt-row:last-child { border-bottom: none; }
.appt-row:hover { background: rgba(255,255,255,0.02); cursor: pointer; }
.appt-time {
  font-family: var(--font-display);
  font-size: 1.1rem; color: var(--gold);
  min-width: 52px;
}
.appt-info { flex: 1; }
.appt-name { font-size: 0.9rem; font-weight: 600; color: var(--white); }
.appt-meta { font-size: 0.78rem; color: var(--gray); margin-top: 1px; }
.appt-actions { display: flex; gap: 6px; }

/* ── Status badge ── */
.status-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px; border-radius: 20px;
}
.status-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status-badge.pending   { color: var(--orange); background: rgba(232,149,58,0.12); }
.status-badge.approved  { color: var(--blue);   background: rgba(91,155,213,0.12); }
.status-badge.completed { color: var(--green);  background: rgba(76,175,130,0.12); }
.status-badge.rejected  { color: var(--red);    background: rgba(224,85,85,0.12); }

/* ── Filters ── */
.filters-bar {
  display: flex; align-items: flex-end; gap: 20px; flex-wrap: wrap;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}
.filter-group { display: flex; flex-direction: column; gap: 6px; }
.filter-group label { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray); }
.filter-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-pill {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: none; color: var(--gray-light);
  font-size: 0.78rem; font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-pill:hover  { border-color: var(--border-gold); color: var(--gold); }
.filter-pill.active { border-color: var(--gold); color: var(--gold); background: rgba(201,168,76,0.1); }
.filter-select, .filter-date {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--white);
  font-size: 0.82rem; font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
}
.filter-select:focus, .filter-date:focus { border-color: var(--gold); }
.filter-select option { background: var(--dark2); }
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.6); }

/* ── Table ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.appt-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.appt-table thead { background: var(--dark2); }
.appt-table th {
  padding: 14px 16px; text-align: left;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gray);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.appt-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--gray-light);
  vertical-align: middle;
}
.appt-table tbody tr { background: var(--dark); transition: background var(--transition); }
.appt-table tbody tr:last-child td { border-bottom: none; }
.appt-table tbody tr:hover { background: var(--dark3); cursor: pointer; }
.table-loading { text-align: center; padding: 40px !important; color: var(--gray); }

.td-datetime { white-space: nowrap; }
.td-date { font-weight: 600; color: var(--white); font-size: 0.88rem; }
.td-time { font-family: var(--font-display); font-size: 1rem; color: var(--gold); }
.td-name { font-weight: 600; color: var(--white); }
.td-phone { font-size: 0.78rem; color: var(--gray); margin-top: 2px; }

.action-btns { display: flex; gap: 6px; flex-wrap: nowrap; }
.action-btn {
  padding: 5px 11px; border-radius: 5px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.05em;
  border: 1px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: all var(--transition);
}
.action-btn.approve  { background: rgba(91,155,213,0.15); color: var(--blue);   border-color: rgba(91,155,213,0.3); }
.action-btn.complete { background: rgba(76,175,130,0.15); color: var(--green);  border-color: rgba(76,175,130,0.3); }
.action-btn.reject   { background: rgba(224,85,85,0.1);  color: var(--red);    border-color: rgba(224,85,85,0.3); }
.action-btn.detail   { background: rgba(255,255,255,0.05); color: var(--gray-light); border-color: var(--border); }
.action-btn:hover { filter: brightness(1.2); }

/* ── Today timeline ── */
.today-timeline { display: flex; flex-direction: column; gap: 12px; }
.timeline-item {
  display: flex; gap: 0;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
  cursor: pointer;
}
.timeline-item:hover { border-color: var(--border-gold); }
.timeline-time-col {
  width: 80px; flex-shrink: 0;
  background: rgba(201,168,76,0.06);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 16px 8px;
}
.timeline-hour   { font-family: var(--font-display); font-size: 1.6rem; color: var(--gold); line-height: 1; }
.timeline-minute { font-size: 0.75rem; color: var(--gray); }
.timeline-content { flex: 1; padding: 16px 20px; }
.timeline-name    { font-size: 0.95rem; font-weight: 600; color: var(--white); margin-bottom: 4px; }
.timeline-service { font-size: 0.82rem; color: var(--gray-light); margin-bottom: 8px; }
.timeline-footer  { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.timeline-barber  { font-size: 0.75rem; color: var(--gold); background: rgba(201,168,76,0.1); border: 1px solid rgba(201,168,76,0.2); padding: 2px 10px; border-radius: 20px; }
.timeline-phone   { font-size: 0.75rem; color: var(--gray); }
.timeline-status  { margin-left: auto; }

/* ── Admin Modal ── */
.admin-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  z-index: 900;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.admin-modal-overlay.active { opacity: 1; pointer-events: all; }
.admin-modal {
  background: var(--dark2);
  border: 1px solid var(--border-gold);
  border-radius: 14px;
  width: 90%; max-width: 520px;
  transform: scale(0.95);
  transition: transform var(--transition);
  overflow: hidden;
}
.admin-modal-overlay.active .admin-modal { transform: scale(1); }
.admin-modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.admin-modal-header h3 { font-family: var(--font-serif); font-size: 1.2rem; }
.modal-close {
  background: none; border: none;
  color: var(--gray); font-size: 1rem;
  cursor: pointer; padding: 4px 8px; border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}
.modal-close:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.admin-modal-body { padding: 24px; }
.modal-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.modal-detail-item label {
  display: block; font-size: 0.7rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gray); margin-bottom: 4px;
}
.modal-detail-item span {
  font-size: 0.9rem; color: var(--white); font-weight: 500;
}
.modal-detail-item.full { grid-column: span 2; }
.modal-notes {
  margin-top: 16px; padding: 12px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 8px; font-size: 0.85rem; color: var(--gray-light); line-height: 1.6;
}
.admin-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap;
}

/* ── Auth gate ── */
.auth-loading {
  position: fixed; inset: 0;
  background: var(--black);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px; z-index: 9999;
}
.auth-spinner {
  width: 40px; height: 40px;
  border: 2px solid rgba(201,168,76,0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.auth-loading p { font-size: 0.85rem; color: var(--gray); }

/* ══════════════════════════
   RESPONSIVE
══════════════════════════ */
@media (max-width: 1200px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .mobile-header { display: flex; }
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 8px 0 30px rgba(0,0,0,0.5);
  }
  .sidebar-overlay.open { display: block; }
  .admin-main { margin-left: 0; padding-top: 56px; }
  .admin-section { padding: 24px 20px; }
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-header { flex-direction: column; }
  .filters-bar { flex-direction: column; align-items: flex-start; }
  .modal-detail-grid { grid-template-columns: 1fr; }
  .modal-detail-item.full { grid-column: span 1; }
  .action-btns { flex-wrap: wrap; }
  .login-card { padding: 28px 20px; }
}

@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr; }
}