/* ============================================================
   admin.css — Star Jeans Panel Admin
   Dark theme premium con Inter + JetBrains Mono
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg: #0F1117;
  --sidebar: #161B27;
  --surface: #1E2536;
  --surface-2: #252D40;
  --border: #2D3748;
  --primary: #6C63FF;
  --primary-h: #5A52E8;
  --accent: #00D4FF;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --text: #F1F5F9;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --sidebar-w: 240px;
  --topbar-h: 60px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, .45);
  --transition: .2s ease;
}

/* ── Reset & Base ───────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ── App Layout ─────────────────────────────────────────────── */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  min-height: var(--topbar-h);
}

.brand-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 700;
  font-size: .95rem;
  display: block;
  letter-spacing: .02em;
}

.brand-role {
  font-size: .72rem;
  color: var(--text-muted);
  text-transform: capitalize;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-group {
  margin-top: 8px;
}

.nav-group-label {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 8px 10px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: .88rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}

.nav-item:hover {
  background: rgba(108, 99, 255, .12);
  color: var(--text);
}

.nav-item.active {
  background: rgba(108, 99, 255, .2);
  color: var(--primary);
}

.nav-icon {
  width: 20px;
  text-align: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.nav-logout {
  color: var(--danger);
}

.nav-logout:hover {
  background: rgba(239, 68, 68, .1);
  color: var(--danger);
}

.sidebar-footer {
  padding: 8px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

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

/* ── Topbar ─────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--sidebar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 99;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 4px;
}

.topbar-title {
  font-weight: 600;
  font-size: 1rem;
  flex: 1;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  color: var(--text-muted);
}

.avatar {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  color: #fff;
  flex-shrink: 0;
}

/* ── Page Content ───────────────────────────────────────────── */
.page-content {
  padding: 24px;
  flex: 1;
}

/* ── Page Header ────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.page-subtitle {
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── KPI Cards ──────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: border-color var(--transition), transform var(--transition);
}

.kpi-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.kpi-icon.blue {
  background: rgba(108, 99, 255, .15);
}

.kpi-icon.green {
  background: rgba(16, 185, 129, .15);
}

.kpi-icon.amber {
  background: rgba(245, 158, 11, .15);
}

.kpi-icon.red {
  background: rgba(239, 68, 68, .15);
}

.kpi-icon.cyan {
  background: rgba(0, 212, 255, .15);
}

.kpi-body {
  flex: 1;
}

.kpi-label {
  font-size: .78rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.kpi-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
  margin: 4px 0 2px;
}

.kpi-trend {
  font-size: .78rem;
  color: var(--text-muted);
}

.kpi-trend.up {
  color: var(--success);
}

.kpi-trend.down {
  color: var(--danger);
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 8px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
}

/* ── Grid 2 cols ────────────────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ── Tables ─────────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
}

table th {
  background: var(--surface-2);
  text-align: left;
  padding: 10px 14px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: .88rem;
  vertical-align: middle;
}

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

table tbody tr:hover td {
  background: rgba(255, 255, 255, .03);
}

.text-mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: .82rem;
}

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .03em;
  white-space: nowrap;
}

.badge-success {
  background: rgba(16, 185, 129, .15);
  color: #10B981;
}

.badge-warning {
  background: rgba(245, 158, 11, .15);
  color: #F59E0B;
}

.badge-danger {
  background: rgba(239, 68, 68, .15);
  color: #EF4444;
}

.badge-info {
  background: rgba(0, 212, 255, .15);
  color: #00D4FF;
}

.badge-primary {
  background: rgba(108, 99, 255, .15);
  color: #6C63FF;
}

.badge-muted {
  background: rgba(148, 163, 184, .1);
  color: #94A3B8;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn:active {
  transform: scale(.97);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-h);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #0ea875;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .06);
  color: var(--text);
}

.btn-sm {
  padding: 5px 12px;
  font-size: .80rem;
}

.btn-xs {
  padding: 4px;
  height: 28px;
  width: 28px;
  font-size: .85rem;
  justify-content: center;
}

.action-btns {
  display: flex;
  gap: 4px;
  align-items: center;
}

.btn-danger-hover:hover {
  background: rgba(239, 68, 68, .1) !important;
  color: var(--danger) !important;
}

/* ── Forms ──────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group.full {
  grid-column: 1 / -1;
}

label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .02em;
}

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .88rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-control:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="search"]:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, .15);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

textarea {
  min-height: 80px;
  resize: vertical;
}

.form-hint {
  font-size: .76rem;
  color: var(--text-dim);
}

.form-error {
  font-size: .76rem;
  color: var(--danger);
}

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ── Filters bar ────────────────────────────────────────────── */
.filters-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-box input {
  padding-left: 36px;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: .9rem;
  pointer-events: none;
}

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: .88rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.alert-success {
  background: rgba(16, 185, 129, .12);
  border: 1px solid rgba(16, 185, 129, .3);
  color: #10B981;
}

.alert-error {
  background: rgba(239, 68, 68, .12);
  border: 1px solid rgba(239, 68, 68, .3);
  color: #EF4444;
}

.alert-warning {
  background: rgba(245, 158, 11, .12);
  border: 1px solid rgba(245, 158, 11, .3);
  color: #F59E0B;
}

.alert-info {
  background: rgba(0, 212, 255, .12);
  border: 1px solid rgba(0, 212, 255, .3);
  color: #00D4FF;
}

/* ── Pagination ─────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  justify-content: center;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  transition: all var(--transition);
}

.pagination a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination .current {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ── Product Thumb ──────────────────────────────────────────── */
.product-thumb {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--surface-2);
}

.product-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.product-name {
  font-weight: 600;
  font-size: .88rem;
}

.product-meta {
  font-size: .74rem;
  color: var(--text-muted);
}

/* ── Color Swatch ───────────────────────────────────────────── */
.color-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .2);
  display: inline-block;
  vertical-align: middle;
}

/* ── Stock Alert ────────────────────────────────────────────── */
.stock-critical {
  color: var(--danger);
  font-weight: 700;
}

.stock-low {
  color: var(--warning);
}

.stock-ok {
  color: var(--success);
}

/* ── Tabs ───────────────────────────────────────────────────── */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  gap: 4px;
}

.tab {
  padding: 10px 18px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-panel {
  display: none;
}

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

/* ── Modal ──────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .65);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(.96);
  transition: transform var(--transition);
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  border-radius: 6px;
  transition: color var(--transition);
}

.modal-close:hover {
  color: var(--danger);
}

/* ── Upload Zone ────────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  color: var(--text-muted);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--primary);
  background: rgba(108, 99, 255, .06);
  color: var(--text);
}

/* ── Empty State ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 12px;
  opacity: .4;
}

.empty-state p {
  margin-bottom: 16px;
}

/* ── Spinner ────────────────────────────────────────────────── */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Charts placeholder ─────────────────────────────────────── */
.chart-container {
  position: relative;
  height: 280px;
}

/* ── Login page ─────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(108, 99, 255, .12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 212, 255, .08) 0%, transparent 50%);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.login-logo {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 20px;
}

.login-title {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-subtitle {
  text-align: center;
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ── Toggles / Checkboxes ───────────────────────────────────── */
.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  display: inline-block;
}

.toggle input {
  display: none;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--surface-2);
  border-radius: 11px;
  cursor: pointer;
  transition: background var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
}

input:checked+.toggle-slider {
  background: var(--primary);
}

input:checked+.toggle-slider::before {
  transform: translateX(18px);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow);
  }

  .main-content {
    margin-left: 0;
  }

  .sidebar-toggle {
    display: flex;
  }

  .kpi-grid {
    grid-template-columns: 1fr 1fr;
  }

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

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

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

  .page-content {
    padding: 16px;
  }

  table th,
  table td {
    padding: 8px 10px;
  }
}

/* ── Utilities ──────────────────────────────────────────────── */
.text-right {
  text-align: right;
}

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

.text-muted {
  color: var(--text-muted);
}

.text-danger {
  color: var(--danger);
}

.text-success {
  color: var(--success);
}

.text-warning {
  color: var(--warning);
}

.text-primary {
  color: var(--primary);
}

.fw-bold {
  font-weight: 700;
}

.fw-600 {
  font-weight: 600;
}

.fs-sm {
  font-size: .82rem;
}

.d-flex {
  display: flex;
}

.align-center {
  align-items: center;
}

.gap-2 {
  gap: 8px;
}

.gap-3 {
  gap: 12px;
}

.mt-1 {
  margin-top: 4px;
}

.mt-2 {
  margin-top: 8px;
}

.mt-3 {
  margin-top: 12px;
}

.mt-4 {
  margin-top: 16px;
}

.mb-1 {
  margin-bottom: 4px;
}

.mb-2 {
  margin-bottom: 8px;
}

.mb-3 {
  margin-bottom: 12px;
}

.mb-4 {
  margin-bottom: 16px;
}

.p-0 {
  padding: 0;
}

.hidden {
  display: none !important;
}