/* ============================================================
   Barbería Imperial — Admin Panel CSS
   ============================================================ */

:root {
  --gold:       #c9a84c;
  --gold-light: #e2c97e;
  --black:      #0a0a0a;
  --dark:       #111111;
  --dark-2:     #1a1a1a;
  --dark-3:     #222222;
  --dark-4:     #2d2d2d;
  --dark-5:     #383838;
  --text:       #e0e0e0;
  --text-muted: #888888;
  --green:      #22c55e;
  --red:        #ef4444;
  --yellow:     #f59e0b;
  --blue:       #3b82f6;
  --sidebar-w: 240px;
  --topbar-h:  60px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--dark);
  color: var(--text);
  min-height: 100vh;
  display: flex;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---- SIDEBAR ---- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--black);
  border-right: 1px solid var(--dark-4);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 50;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--dark-4);
  color: var(--text);
}
.sidebar-logo .logo-icon { color: var(--gold); }
.sidebar-logo strong { color: var(--gold); }

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: all 0.2s;
}
.sidebar-nav a:hover { background: var(--dark-3); color: var(--text); }
.sidebar-nav a.active { background: var(--dark-3); color: var(--gold); font-weight: 600; }
.sidebar-nav a span { font-size: 1rem; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--dark-4);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sidebar-footer a {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 8px 10px;
  border-radius: 6px;
  transition: all 0.2s;
}
.sidebar-footer a:hover { background: var(--dark-3); color: var(--text); }
.sidebar-footer .logout { color: var(--red); }
.sidebar-footer .logout:hover { background: rgba(239,68,68,0.1); color: var(--red); }

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

/* ---- TOPBAR ---- */
.topbar {
  height: var(--topbar-h);
  background: var(--dark-2);
  border-bottom: 1px solid var(--dark-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 40;
}
.sidebar-toggle {
  background: none; border: none; color: var(--text-muted);
  font-size: 1.3rem; cursor: pointer; display: none;
  padding: 6px;
}
.topbar-right { display: flex; align-items: center; gap: 16px; }
.admin-user { font-size: 0.85rem; color: var(--text-muted); }
.topbar-logout {
  font-size: 0.82rem;
  color: var(--red);
  padding: 6px 12px;
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 4px;
  transition: all 0.2s;
}
.topbar-logout:hover { background: rgba(239,68,68,0.1); }

/* ---- ADMIN CONTENT ---- */
.admin-content {
  padding: 32px 28px;
  flex: 1;
}

.page-header {
  margin-bottom: 28px;
}
.page-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.page-header p { font-size: 0.875rem; color: var(--text-muted); }

/* ---- ALERTS ---- */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 0.875rem;
  margin-bottom: 20px;
  border-left: 3px solid;
}
.alert-success { background: rgba(34,197,94,0.1); border-color: var(--green); color: var(--green); }
.alert-error   { background: rgba(239,68,68,0.1); border-color: var(--red); color: var(--red); }
.alert-warning { background: rgba(245,158,11,0.1); border-color: var(--yellow); color: var(--yellow); }

/* ---- CARD ---- */
.card {
  background: var(--dark-2);
  border: 1px solid var(--dark-4);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}
.card h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--dark-4);
}

/* ---- STATS GRID ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--dark-2);
  border: 1px solid var(--dark-4);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  transition: border-color 0.2s;
}
.stat-card:hover { border-color: var(--dark-5); }
.stat-card.highlight { border-color: var(--gold); }
.stat-icon { font-size: 1.5rem; }
.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.stat-label { font-size: 0.78rem; color: var(--text-muted); }
.stat-link {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 0.8rem;
  color: var(--gold);
}
.stat-link:hover { text-decoration: underline; }

/* ---- QUICK LINKS ---- */
.quick-links h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.quick-card {
  background: var(--dark-2);
  border: 1px solid var(--dark-4);
  border-radius: 8px;
  padding: 20px;
  transition: all 0.2s;
  display: block;
}
.quick-card:hover { border-color: var(--gold); transform: translateY(-2px); }
.quick-card > span { font-size: 1.4rem; display: block; margin-bottom: 8px; }
.quick-card strong { display: block; font-size: 0.95rem; color: var(--text); margin-bottom: 4px; }
.quick-card p { font-size: 0.8rem; color: var(--text-muted); }

/* ---- FORMS ---- */
.admin-form { }
.form-section {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--dark-4);
}
.form-section:last-of-type { border-bottom: none; margin-bottom: 0; }
.form-section h2 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gold);
  margin-bottom: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--dark-3);
  border: 1px solid var(--dark-5);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color 0.2s;
  font-family: inherit;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: 0.78rem; color: var(--text-muted); align-self: center; }
.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}
.empty-msg { color: var(--text-muted); font-size: 0.9rem; padding: 20px 0; text-align: center; }

/* ---- BUTTONS ---- */
.btn-primary {
  background: var(--gold);
  color: var(--black);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary:hover { background: var(--gold-light); }

.btn-secondary {
  background: var(--dark-4);
  color: var(--text);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 10px 20px;
  border: 1px solid var(--dark-5);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover { background: var(--dark-5); }

.btn-sm {
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-success  { background: rgba(34,197,94,0.15);  color: var(--green); }
.btn-success:hover { background: rgba(34,197,94,0.3); }
.btn-danger   { background: rgba(239,68,68,0.15);  color: var(--red); }
.btn-danger:hover { background: rgba(239,68,68,0.3); }
.btn-warning  { background: rgba(245,158,11,0.15); color: var(--yellow); }
.btn-warning:hover { background: rgba(245,158,11,0.3); }
.btn-whatsapp { background: rgba(37,211,102,0.15); color: #25d366; }
.btn-whatsapp:hover { background: rgba(37,211,102,0.3); }

.btn-icon {
  background: var(--dark-4);
  border: 1px solid var(--dark-5);
  color: var(--text-muted);
  width: 32px; height: 32px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.btn-edit:hover   { border-color: var(--gold); color: var(--gold); }
.btn-toggle:hover { border-color: var(--green); color: var(--green); }
.btn-delete:hover { border-color: var(--red); color: var(--red); }

/* ---- SERVICES LIST ---- */
.services-list { display: flex; flex-direction: column; gap: 0; }
.service-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--dark-4);
}
.service-row:last-child { border-bottom: none; }
.service-row.disabled { opacity: 0.5; }
.service-row-info { flex: 1; }
.service-row-info strong { color: var(--text); font-size: 0.95rem; margin-right: 10px; }
.price-badge, .duration-badge, .badge-inactive {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 3px;
  margin-right: 6px;
}
.price-badge    { background: rgba(201,168,76,0.15); color: var(--gold); }
.duration-badge { background: var(--dark-4); color: var(--text-muted); }
.badge-inactive { background: rgba(239,68,68,0.1); color: var(--red); }
.service-desc   { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.service-row-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* ---- HOURS ---- */
.hours-grid { display: flex; flex-direction: column; gap: 0; }
.hours-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--dark-4);
  flex-wrap: wrap;
}
.hours-row:last-child { border-bottom: none; }
.hours-day { width: 90px; font-weight: 600; color: var(--text); font-size: 0.9rem; }
.toggle-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
}
.toggle-label input[type="checkbox"] { accent-color: var(--gold); width: 16px; height: 16px; }
.hours-inputs { display: flex; align-items: center; gap: 16px; }
.hours-inputs.hidden { display: none; }
.hours-inputs .form-group { flex-direction: row; align-items: center; gap: 8px; }
.hours-inputs .form-group label { margin-bottom: 0; white-space: nowrap; }
.hours-inputs input[type="time"] { width: 130px; }

/* ---- GALLERY ADMIN ---- */
.gallery-admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.gallery-admin-item {
  background: var(--dark-3);
  border: 1px solid var(--dark-4);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.gallery-admin-item.inactive { opacity: 0.5; }
.gallery-admin-img {
  aspect-ratio: 1;
  position: relative;
  overflow: hidden;
}
.gallery-admin-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.2s;
}
.gallery-admin-item:hover img { transform: scale(1.04); }
.inactive-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.img-caption {
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 6px 10px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gallery-admin-actions {
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  flex-wrap: wrap;
}

/* ---- MESSAGES ---- */
.messages-list { display: flex; flex-direction: column; gap: 0; }
.message-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--dark-4);
}
.message-item:last-child { border-bottom: none; }
.message-item.unread { border-left: 3px solid var(--gold); padding-left: 16px; }
.message-item.read   { border-left: 3px solid transparent; padding-left: 16px; }
.message-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.message-meta strong { color: var(--text); font-size: 0.95rem; }
.meta-link { font-size: 0.82rem; color: var(--gold); }
.meta-link:hover { text-decoration: underline; }
.message-date { font-size: 0.78rem; color: var(--text-muted); margin-left: auto; }
.badge-unread {
  background: rgba(201,168,76,0.2);
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.message-body {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
  padding: 12px;
  background: var(--dark-3);
  border-radius: 6px;
}
.message-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---- MODAL ---- */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal.open { display: flex; }
.modal-box {
  background: var(--dark-2);
  border: 1px solid var(--dark-4);
  border-radius: 10px;
  padding: 28px;
  width: 100%;
  max-width: 600px;
}
.modal-box h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--dark-4);
}

/* ---- LOGIN PAGE ---- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--black);
  margin: 0;
}
.login-card {
  background: var(--dark-2);
  border: 1px solid var(--dark-4);
  border-radius: 10px;
  padding: 40px;
  width: 100%;
  max-width: 380px;
}
.login-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.login-logo .logo-icon { color: var(--gold); }
.login-logo strong { color: var(--gold); }
.login-card h1 {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 28px;
}
.login-card .form-group { margin-bottom: 16px; }
.btn-login {
  width: 100%;
  padding: 12px;
  background: var(--gold);
  color: var(--black);
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 8px;
}
.btn-login:hover { background: var(--gold-light); }

/* ---- INLINE FORM ---- */
.inline-form .form-row { margin-bottom: 12px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .admin-main { margin-left: 0; }
  .sidebar-toggle { display: block; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .admin-content { padding: 20px 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .quick-grid { grid-template-columns: 1fr; }
  .card { padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .hours-row { flex-wrap: wrap; }
}