/* ==========================================================
   VENEXA PEPTIDES - ADMIN PANEL DESIGN SYSTEM
   Modern Biotech Luxury Dashboard
   ========================================================== */

:root {
  --admin-navy: #0f172a;
  --admin-navy-dark: #0a0f1d;
  --admin-teal: #0d9488;
  --admin-teal-light: #14b8a6;
  --admin-teal-subtle: #f0fdfa;
  --admin-cyan: #06b6d4;
  --admin-mint: #10b981;
  --admin-rose: #f43f5e;
  --admin-amber: #f59e0b;

  --admin-bg-page: #f8fafc;
  --admin-bg-surface: #ffffff;
  --admin-bg-elevated: #f1f5f9;
  --admin-border: #e2e8f0;
  --admin-border-strong: #cbd5e1;

  --admin-text: #0f172a;
  --admin-text-muted: #64748b;
  --admin-text-light: #94a3b8;

  --admin-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --admin-shadow-md: 0 4px 14px rgba(15, 23, 42, 0.06);
  --admin-shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.08);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--admin-bg-page);
  color: var(--admin-text);
  min-height: 100vh;
  line-height: 1.5;
  display: flex;
}

/* ==========================================================
   LOGIN SCREEN OVERLAY
   ========================================================== */
.admin-login-screen {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, #1e293b 0%, #0f172a 100%);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: #ffffff;
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.login-brand-logo {
  height: 52px;
  object-fit: contain;
  margin: 0 auto 6px;
  display: block;
}

.login-header-text {
  text-align: center;
}

.login-header-text h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--admin-navy);
}

.login-header-text p {
  font-size: 0.85rem;
  color: var(--admin-text-muted);
  margin-top: 4px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--admin-text);
}

.form-input {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--admin-border-strong);
  background: #ffffff;
  color: var(--admin-text);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--admin-teal);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.btn-admin-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--admin-teal) 0%, #0284c7 100%);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn-admin-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.login-db-status {
  background: var(--admin-teal-subtle);
  border: 1px solid #ccfbf1;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  color: #0f766e;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pulse-dot-green {
  width: 8px;
  height: 8px;
  background: var(--admin-mint);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
}

/* ==========================================================
   APP SIDEBAR NAVIGATION
   ========================================================== */
.admin-sidebar {
  width: 270px;
  background: var(--admin-navy);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
  position: sticky;
  top: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 50;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
}

.sidebar-subtitle {
  font-size: 0.72rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-top: 8px;
}

.sidebar-menu {
  list-style: none;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
}

.sidebar-menu-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  font-family: inherit;
}

.sidebar-menu-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.sidebar-menu-btn.active {
  background: var(--admin-teal);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--admin-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #ffffff;
}

.user-meta-name {
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

.user-meta-email {
  font-size: 0.72rem;
  color: #94a3b8;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #94a3b8;
  font-size: 0.78rem;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s ease;
}

.btn-sidebar-link:hover {
  color: #ffffff;
}

/* ==========================================================
   MAIN CONTENT AREA
   ========================================================== */
.admin-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100vh;
  overflow-y: auto;
}

.admin-topbar {
  background: var(--admin-bg-surface);
  border-bottom: 1px solid var(--admin-border);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-title-block h1 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--admin-navy);
}

.topbar-title-block p {
  font-size: 0.8rem;
  color: var(--admin-text-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.db-badge-port {
  background: #ecfeff;
  border: 1px solid #a5f3fc;
  color: #0891b2;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
}

.admin-body-container {
  padding: 32px;
  flex-grow: 1;
  max-width: 1400px;
  width: 100%;
}

/* Tab contents */
.admin-view-tab {
  display: none;
}

.admin-view-tab.active {
  display: block;
}

/* ==========================================================
   DASHBOARD STATS CARDS
   ========================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--admin-bg-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--admin-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--admin-text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 800;
  color: var(--admin-navy);
}

.stat-subtext {
  font-size: 0.76rem;
  color: var(--admin-teal);
  font-weight: 600;
}

/* ==========================================================
   CATALOG MANAGER (Table & Toolbar)
   ========================================================== */
.catalog-toolbar-admin {
  background: var(--admin-bg-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.search-box-admin {
  position: relative;
  flex: 1;
  max-width: 380px;
}

.search-box-admin input {
  width: 100%;
  padding: 9px 14px 9px 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--admin-border);
  font-size: 0.86rem;
  font-family: inherit;
}

.search-box-admin svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--admin-text-muted);
}

.admin-table-card {
  background: var(--admin-bg-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--admin-shadow-sm);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.admin-table th {
  background: var(--admin-bg-elevated);
  padding: 14px 18px;
  font-weight: 700;
  color: var(--admin-navy);
  border-bottom: 1px solid var(--admin-border);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: #f8fafc;
}

.product-row-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: #ffffff;
  border: 1px solid var(--admin-border);
  padding: 3px;
}

.product-row-name strong {
  display: block;
  font-size: 0.92rem;
  color: var(--admin-navy);
}

.product-row-name span {
  font-size: 0.76rem;
  color: var(--admin-text-muted);
}

.badge-tag-category {
  background: #f0fdfa;
  border: 1px solid #ccfbf1;
  color: #0f766e;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.variant-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #e2e8f0;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  margin: 2px;
  font-family: 'JetBrains Mono', monospace;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.variant-pill-tag:hover {
  transform: translateY(-1px);
  filter: brightness(0.95);
}

.variant-pill-tag.in-stock {
  background: #f0fdf4;
  color: #166534;
  border-color: #bbf7d0;
}

.variant-pill-tag.out-of-stock {
  background: #fff1f2;
  color: #9f1239;
  border-color: #fecdd3;
}

.variant-pill-tag.out-of-stock strong {
  text-decoration: line-through;
}

.table-actions-cell {
  display: flex;
  gap: 8px;
}

.btn-table-action {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--admin-border);
  background: var(--admin-bg-surface);
  color: var(--admin-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.btn-table-action:hover {
  border-color: var(--admin-teal);
  color: var(--admin-teal);
}

.btn-table-action.btn-del:hover {
  border-color: var(--admin-rose);
  color: var(--admin-rose);
  background: #fff1f2;
}

/* ==========================================
   MODAL DIALOGS (Product Edit & Create)
   ========================================== */
.admin-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

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

.admin-modal-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 760px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  display: flex;
  flex-direction: column;
}

.modal-head {
  padding: 20px 24px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-head h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--admin-navy);
}

.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}

/* Variants Editor Table in Modal */
.variants-editor-wrap {
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-sm);
  padding: 14px;
  background: #f8fafc;
}

.variants-editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.variants-editor-header h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--admin-navy);
}

.variant-row-inputs {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr 0.9fr 0.9fr 1.4fr 36px;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.btn-remove-var {
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid #fecdd3;
  color: var(--admin-rose);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-footer {
  padding: 18px 24px;
  border-top: 1px solid var(--admin-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: #f8fafc;
}

.btn-admin-cancel {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--admin-border);
  background: #ffffff;
  color: var(--admin-text);
  font-weight: 600;
  cursor: pointer;
}

/* ==========================================================
   PROFILE & SECURITY TAB (CAMBIO DE CONTRASEÑA)
   ========================================================== */
.profile-card-wrap {
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.profile-info-banner {
  background: var(--admin-bg-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--admin-shadow-sm);
}

.profile-large-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--admin-teal) 0%, #0284c7 100%);
  color: #ffffff;
  font-size: 1.6rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.profile-meta h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--admin-navy);
}

.profile-meta p {
  font-size: 0.88rem;
  color: var(--admin-text-muted);
}

.profile-role-badge {
  display: inline-block;
  background: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-top: 6px;
  text-transform: uppercase;
}

.password-box {
  background: var(--admin-bg-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--admin-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.password-box-header {
  border-bottom: 1px solid var(--admin-border);
  padding-bottom: 14px;
}

.password-box-header h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--admin-navy);
}

.password-box-header p {
  font-size: 0.82rem;
  color: var(--admin-text-muted);
  margin-top: 2px;
}

.password-status-msg {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  display: none;
}

.password-status-msg.success {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.password-status-msg.error {
  display: block;
  background: #fff1f2;
  color: #9f1239;
  border: 1px solid #fecdd3;
}

/* ==========================================================
   ADMIN MOBILE HEADER (Matches Tienda Mobile Header)
   ========================================================== */
.admin-mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 95;
  background: #ffffff;
  border-bottom: 1px solid var(--admin-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  width: 100%;
}

.admin-mobile-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 16px;
  width: 100%;
  box-sizing: border-box;
}

.admin-mobile-header .brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.admin-mobile-header .brand-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
}

.admin-mobile-header .header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-mobile-header .btn-cart-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0d9488 0%, #0284c7 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.admin-mobile-header .btn-cart-cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.admin-mobile-header .btn-mobile-menu {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--admin-border);
  color: var(--admin-navy);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: all 0.2s ease;
}

.admin-mobile-header .btn-mobile-menu:hover {
  border-color: var(--admin-teal);
  color: var(--admin-teal);
}

.admin-sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 98;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.admin-sidebar-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================
   RESPONSIVE DESIGN
   ========================================================== */
@media (max-width: 900px) {
  body {
    flex-direction: column;
  }

  .admin-mobile-header {
    display: block !important;
  }

  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(320px, 85vw);
    height: 100vh;
    z-index: 99;
    transform: translateX(-100%);
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.25);
    overflow-y: auto;
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-main {
    width: 100%;
    margin-left: 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .form-grid-2, .form-grid-3 {
    grid-template-columns: 1fr;
  }

  .admin-topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }
}