/* ============================================================
   admin.css — Panel Administrativo | Mi Primera Partida
   ============================================================ */

/* ── Login screen ────────────────────────────────────────── */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(ellipse at center, rgba(139,0,0,0.2) 0%, transparent 60%),
    repeating-conic-gradient(rgba(255,255,255,0.015) 0% 25%, transparent 0% 50%) 0 0 / 50px 50px;
  background-color: var(--c-dark);
}

.login-card {
  background: var(--c-dark-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-gold), var(--c-primary));
}

.login-logo {
  width: 80px;
  margin: 0 auto 20px;
  filter: drop-shadow(0 0 16px rgba(201,162,39,0.5));
}

.login-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 6px;
}

.login-subtitle {
  color: var(--c-white-muted);
  font-size: 0.88rem;
  margin-bottom: 32px;
}

.login-error {
  background: rgba(255,68,68,0.1);
  border: 1px solid rgba(255,68,68,0.3);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--c-error);
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
}

.login-error.show { display: block; }

/* ── Dashboard layout ────────────────────────────────────── */
#admin-panel {
  display: none;
  min-height: 100vh;
  background: var(--c-dark);
}

#admin-panel.visible { display: block; }

/* Topbar */
.admin-topbar {
  background: var(--c-dark-card);
  border-bottom: 1px solid var(--c-border);
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(201,162,39,0.4));
}

.topbar-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-white);
}

.topbar-title span {
  display: block;
  font-size: 0.65rem;
  font-family: var(--font-body);
  color: var(--c-primary-light);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-user {
  font-size: 0.82rem;
  color: var(--c-white-muted);
}

/* ── Main content ────────────────────────────────────────── */
.admin-main {
  padding: 32px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Stats cards */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin-bottom: 36px;
}

.stat-card {
  background: var(--c-dark-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--t-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--c-primary);
}

.stat-card:hover {
  border-color: rgba(139,0,0,0.4);
  box-shadow: 0 6px 24px rgba(139,0,0,0.2);
  transform: translateY(-2px);
}

.stat-icon {
  font-size: 2rem;
  width: 52px;
  height: 52px;
  background: rgba(139,0,0,0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-info {
  flex: 1;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--c-white);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--c-white-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* Toolbar de la tabla */
.table-toolbar {
  background: var(--c-dark-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.toolbar-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-white);
  flex: 1;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--c-dark-3);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 0 14px;
  gap: 10px;
  transition: border-color var(--t-fast);
  width: 280px;
}

.search-box:focus-within {
  border-color: var(--c-primary);
}

.search-icon {
  color: var(--c-white-muted);
  font-size: 0.9rem;
}

.search-input {
  background: none;
  border: none;
  outline: none;
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 10px 0;
  width: 100%;
}

.search-input::placeholder { color: #555; }

/* ── Tabla ───────────────────────────────────────────────── */
.table-wrapper {
  background: var(--c-dark-card);
  border: 1px solid var(--c-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

thead {
  background: rgba(139,0,0,0.15);
  border-bottom: 1px solid rgba(139,0,0,0.3);
}

th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-primary-light);
  white-space: nowrap;
}

td {
  padding: 14px 16px;
  font-size: 0.88rem;
  color: var(--c-white-dim);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}

tbody tr {
  transition: background var(--t-fast);
}

tbody tr:hover {
  background: rgba(139,0,0,0.08);
}

tbody tr:last-child td { border-bottom: none; }

.td-name {
  font-weight: 600;
  color: var(--c-white);
}

.td-date {
  font-size: 0.8rem;
  color: var(--c-white-muted);
}

.action-btns {
  display: flex;
  gap: 8px;
}

.btn-edit {
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.3);
  color: #60a5fa;
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast);
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-edit:hover {
  background: rgba(59,130,246,0.2);
  color: #93c5fd;
}

.btn-del {
  background: rgba(255,68,68,0.08);
  border: 1px solid rgba(255,68,68,0.3);
  color: var(--c-error);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast);
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-del:hover {
  background: rgba(255,68,68,0.18);
}

/* Estado vacío */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--c-white-muted);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 14px;
  opacity: 0.5;
}

/* ── Modal de edición ────────────────────────────────────── */
.edit-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-slow), visibility var(--t-slow);
}

.edit-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.edit-modal {
  background: var(--c-dark-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform var(--t-slow);
  overflow: hidden;
}

.edit-modal-overlay.open .edit-modal {
  transform: scale(1);
}

.edit-modal-header {
  background: linear-gradient(135deg, rgba(139,0,0,0.3), rgba(26,26,26,0.9));
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--c-border);
}

.edit-modal-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-white);
}

.btn-close-modal {
  background: none;
  border: none;
  color: var(--c-white-muted);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 4px;
  transition: color var(--t-fast);
}

.btn-close-modal:hover { color: var(--c-white); }

.edit-modal-body {
  padding: 28px;
}

.edit-modal-footer {
  padding: 0 28px 28px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ── Modal de confirmación eliminar ──────────────────────── */
.confirm-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  z-index: 6000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-slow), visibility var(--t-slow);
}

.confirm-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.confirm-modal {
  background: var(--c-dark-card);
  border: 1px solid rgba(255,68,68,0.3);
  border-radius: var(--radius-xl);
  max-width: 400px;
  width: 100%;
  padding: 36px 32px;
  text-align: center;
  box-shadow: 0 12px 60px rgba(255,68,68,0.2);
  transform: scale(0.9);
  transition: transform var(--t-slow);
}

.confirm-modal-overlay.open .confirm-modal { transform: scale(1); }

.confirm-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.confirm-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--c-white);
  margin-bottom: 8px;
}

.confirm-desc {
  color: var(--c-white-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.confirm-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ── Responsive Admin ────────────────────────────────────── */
@media (max-width: 768px) {
  .admin-topbar { padding: 12px 16px; }
  .admin-main { padding: 20px 16px; }
  .table-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .search-box { width: 100%; }
  .topbar-actions { flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr 1fr; }
  .login-card { padding: 32px 20px; }
  .edit-modal-body { padding: 20px; }
}

/* ── TABS DEL PANEL ──────────────────────────────────────── */
.admin-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--c-border);
  padding-bottom: 2px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--c-white-muted);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  cursor: pointer;
  transition: all var(--t-fast);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-btn:hover {
  color: var(--c-white);
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--c-primary-light);
  border-bottom-color: var(--c-primary-light);
  background: rgba(139, 0, 0, 0.06);
}

.tab-panel {
  display: none;
  animation: tabFadeIn 0.3s ease;
}

.tab-panel.active {
  display: block;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── DISEÑO DE MÓDULOS SPLIT ─────────────────────────────── */
.modules-split-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 28px;
  align-items: start;
}

.modules-column, .classes-column {
  background: var(--c-dark-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-height: 480px;
}

.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-border);
}

.column-header h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--c-white);
}

.modules-admin-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mod-admin-card {
  background: var(--c-dark-3);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  transition: all var(--t-fast);
}

.mod-admin-card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
}

.mod-admin-card.active {
  border-color: var(--c-primary-light);
  background: rgba(139, 0, 0, 0.08);
}

.mod-admin-details {
  flex: 1;
}

.mod-admin-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 4px;
}

.mod-admin-desc {
  font-size: 0.8rem;
  color: var(--c-white-muted);
  line-height: 1.4;
}

.mod-admin-badge {
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(201, 162, 39, 0.1);
  border: 1px solid rgba(201, 162, 39, 0.25);
  color: var(--c-gold);
  padding: 2px 6px;
  border-radius: 4px;
  margin-top: 6px;
  display: inline-block;
}

.admin-actions {
  display: flex;
  gap: 6px;
}

.btn-action-icon {
  background: none;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--t-fast);
}

.btn-action-icon.edit {
  color: #60a5fa;
}
.btn-action-icon.edit:hover {
  background: rgba(59,130,246,0.15);
}

.btn-action-icon.del {
  color: var(--c-error);
}
.btn-action-icon.del:hover {
  background: rgba(255,68,68,0.15);
}

/* Lista de clases (columna derecha) */
.clases-admin-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.clase-admin-card {
  background: var(--c-dark-3);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: border-color var(--t-fast);
}

.clase-admin-card:hover {
  border-color: rgba(255, 255, 255, 0.08);
}

.clase-admin-info {
  flex: 1;
}

.clase-admin-badge {
  background: rgba(201, 162, 39, 0.15);
  color: var(--c-gold-light);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  margin-right: 8px;
}

.clase-admin-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-white);
  display: inline-block;
}

.clase-admin-desc {
  font-size: 0.82rem;
  color: var(--c-white-muted);
  margin-top: 6px;
  line-height: 1.4;
}

.clase-admin-video {
  font-size: 0.75rem;
  color: #60a5fa;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── CONFIGURACIÓN CLASE EN VIVO ─────────────────────────── */
.live-class-card {
  background: var(--c-dark-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 600px;
  margin: 0 auto;
}

.live-class-card .card-header {
  margin-bottom: 24px;
}

.live-class-card .card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--c-white);
  margin-bottom: 8px;
}

.live-class-card .card-header p {
  font-size: 0.88rem;
  color: var(--c-white-muted);
  line-height: 1.5;
}

.help-text {
  font-size: 0.78rem;
  color: var(--c-white-muted);
  margin-top: 6px;
}

@media (max-width: 1024px) {
  .modules-split-layout {
    grid-template-columns: 1fr;
  }
}