/* ============================================================
   Central de Figurinhas — admin.css
   Layout do painel administrativo
   ============================================================ */

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

/* ---- Sidebar ---- */
.sidebar {
  width: 240px;
  min-height: 100vh;
  background: var(--gray-900);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.brand-icon {
  font-size: 1.75rem;
  line-height: 1;
}
.brand-name {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gray-400);
  line-height: 1.2;
}
.brand-sub {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) 0;
}
.nav-group-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-600);
  padding: var(--space-4) var(--space-5) var(--space-2);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  font-size: 0.9rem;
  color: var(--gray-400);
  border-radius: 0;
  transition: all var(--transition);
  text-decoration: none;
  border-left: 3px solid transparent;
}
.nav-item:hover {
  color: #fff;
  background: rgba(255,255,255,0.05);
  text-decoration: none;
}
.nav-item.active {
  color: #fff;
  background: rgba(26,86,219,0.25);
  border-left-color: var(--brand-primary);
}
.nav-icon {
  font-size: 1.1rem;
  width: 1.25rem;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.user-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.user-avatar {
  width: 2rem; height: 2rem;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.user-name {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-role {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-500);
}
.btn-logout {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gray-500);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-logout:hover {
  background: rgba(255,255,255,0.05);
  color: var(--gray-300);
  text-decoration: none;
}

/* ---- Main Content ---- */
.main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-8);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 10;
}
.page-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}
.topbar-date {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-family: var(--font-mono);
}

.content-area {
  flex: 1;
  padding: var(--space-8);
  max-width: 1200px;
}

/* ---- Stat Cards ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
.stat-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-sm);
}
.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-500);
  margin-bottom: var(--space-2);
}
.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1;
}
.stat-value.warning { color: #d97706; }
.stat-value.success { color: #059669; }
.stat-value.danger  { color: #dc2626; }
.stat-value.muted   { color: var(--gray-400); }

/* ---- Page Header ---- */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  gap: var(--space-4);
  flex-wrap: wrap;
}
.page-header-left h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--gray-900);
}
.page-header-left p {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-top: var(--space-1);
}

/* ---- Filters Bar ---- */
.filters-bar {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-sm);
  align-items: flex-end;
}
.filters-bar .form-group { margin-bottom: 0; flex: 1; min-width: 150px; }
.filters-bar select,
.filters-bar input { font-size: 0.875rem; }

/* ---- Album Preview ---- */
.album-section { margin-bottom: var(--space-10); }
.album-section-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gray-900);
  padding: var(--space-3) var(--space-4);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius) var(--radius) 0 0;
  border-bottom: none;
}
.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: var(--space-4);
  padding: var(--space-5);
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 0 0 var(--radius) var(--radius);
}
.album-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
}
.album-card-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  background: var(--gray-200);
}
.album-card-body {
  padding: var(--space-2) var(--space-3);
}
.album-card-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.album-card-num {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-family: var(--font-mono);
}

/* ---- Login Page ---- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--gray-900) 0%, #1e3a8a 100%);
}
.login-card {
  background: #fff;
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-10);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}
.login-logo {
  text-align: center;
  margin-bottom: var(--space-8);
}
.login-logo-icon { font-size: 3rem; display: block; margin-bottom: var(--space-2); }
.login-logo h1 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--gray-900);
}
.login-logo p { color: var(--gray-500); font-size: 0.9rem; }

/* ---- Aluno View ---- */
.aluno-view-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-8);
  align-items: start;
}
@media (max-width: 768px) { .aluno-view-grid { grid-template-columns: 1fr; } }

.detail-row {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--gray-100);
}
.detail-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-500);
  min-width: 160px;
  flex-shrink: 0;
}
.detail-value {
  font-size: 0.9375rem;
  color: var(--gray-800);
}

/* ---- Copy link button ---- */
.copy-btn {
  cursor: pointer;
}
.copy-btn.copied {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

/* ---- Export links ---- */
.export-links {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .sidebar { width: 200px; }
  .content-area { padding: var(--space-5); }
}
@media (max-width: 768px) {
  .layout { flex-direction: column; }
  .sidebar {
    width: 100%;
    min-height: auto;
    height: auto;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .sidebar-nav { display: flex; flex-wrap: wrap; padding: 0; }
  .nav-group-label { display: none; }
  .nav-item { padding: var(--space-3) var(--space-4); font-size: 0.8rem; }
  .sidebar-footer { display: none; }
  .topbar { padding: var(--space-4); }
  .content-area { padding: var(--space-4); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}