/* ═══════════════════════════════════════════
   ADMIN PANEL — Light Utilitarian Theme
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: #e2e4e9;
  --border-light: #eef0f3;
  --text: #1a1d23;
  --text-muted: #6b7280;
  --text-dim: #9ca3af;
  --accent: #c9a84c;
  --accent-light: #f5eed9;
  --accent-dark: #8a6d2b;
  --danger: #dc3545;
  --danger-light: #fce8ea;
  --warn: #f59e0b;
  --warn-light: #fef3cd;
  --success: #10b981;
  --success-light: #d1fae5;
  --sidebar-bg: #1a1d23;
  --sidebar-text: #9ca3af;
  --sidebar-active: #ffffff;
  --font: 'Outfit', system-ui, sans-serif;
  --radius: 8px;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ─── Login Screen ───────────────────────── */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0a;
  padding: 24px;
}

.login-card {
  background: var(--surface);
  border-radius: 12px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-logo {
  width: 56px;
  height: 56px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 auto 20px;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.login-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.login-card .form-group {
  margin-bottom: 16px;
  text-align: left;
}

.login-card label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.login-card input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.login-card input:focus { border-color: var(--accent); }

.login-error {
  color: var(--danger);
  font-size: 0.82rem;
  margin-bottom: 12px;
  min-height: 20px;
}

.login-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 20px;
}

/* ─── Buttons ────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 6px;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
  font-family: var(--font);
}

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

.btn--ghost { border: 1px solid var(--border); color: var(--text); background: var(--surface); }
.btn--ghost:hover { border-color: var(--accent); }

.btn--danger { background: var(--danger); color: #fff; }
.btn--danger:hover { opacity: 0.9; }

.btn--small { padding: 7px 14px; font-size: 0.78rem; }
.btn--full { width: 100%; }

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

/* ─── Sidebar ────────────────────────────── */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar__logo-icon {
  width: 36px;
  height: 36px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.sidebar__logo-name { font-size: 0.9rem; font-weight: 600; color: #fff; }
.sidebar__logo-sub { font-size: 0.65rem; color: var(--sidebar-text); letter-spacing: 0.05em; }

.sidebar__nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--sidebar-text);
  transition: all 0.2s;
  width: 100%;
  text-align: left;
}

.sidebar__link:hover { color: #fff; background: rgba(255,255,255,0.05); }
.sidebar__link--active { color: #fff; background: rgba(201,168,76,0.15); }

.sidebar__link-icon { font-size: 1rem; width: 20px; text-align: center; }

.sidebar__footer {
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ─── Main Content ───────────────────────── */
.main {
  flex: 1;
  margin-left: 240px;
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar__title { font-size: 1.2rem; font-weight: 600; }

/* ─── Dashboard ──────────────────────────── */
.dashboard { padding: 32px; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.stat-box__number {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.stat-box__label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ─── Panels ─────────────────────────────── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel__title {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
}

.panel__body { padding: 12px 20px; }

.empty-msg {
  font-size: 0.85rem;
  color: var(--text-dim);
  padding: 16px 0;
  text-align: center;
}

/* ─── Alert Rows ─────────────────────────── */
.alert-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.82rem;
}
.alert-row:last-child { border-bottom: none; }
.alert-row__name { color: var(--text); flex: 1; margin-right: 12px; }
.alert-row__stock {
  font-weight: 600;
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 12px;
}
.alert-row--danger .alert-row__stock { background: var(--danger-light); color: var(--danger); }
.alert-row--warn .alert-row__stock { background: var(--warn-light); color: var(--warn); }

/* ─── Category Rows ──────────────────────── */
.cat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.85rem;
}
.cat-row:last-child { border-bottom: none; }
.cat-row__icon { font-size: 1.2rem; }
.cat-row__name { flex: 0 0 100px; font-weight: 500; }
.cat-row__count { flex: 0 0 30px; color: var(--text-muted); font-size: 0.82rem; text-align: right; }
.cat-row__bar { flex: 1; height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; }
.cat-row__fill { height: 100%; background: var(--accent); border-radius: 3px; transition: width 0.6s ease; }

/* ─── Data Table ─────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 12px 16px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}

.data-table tr:hover { background: var(--bg); }

.data-table__name { font-weight: 500; max-width: 300px; }

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--accent-dark);
}

.stock-pill {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  min-width: 32px;
  text-align: center;
}
.stock-pill--low { color: var(--warn); }
.stock-pill--out { color: var(--danger); }

.table-link {
  font-size: 0.82rem;
  color: var(--accent-dark);
  font-weight: 500;
  transition: color 0.2s;
}
.table-link:hover { color: var(--accent); }

/* ─── Product List Page ──────────────────── */
.products-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.products-search {
  display: flex;
  gap: 12px;
  align-items: center;
}

.search-input {
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.85rem;
  outline: none;
  width: 260px;
  transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--accent); }

.filter-select {
  padding: 9px 32px 9px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  background: var(--surface);
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%236b7280' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: border-color 0.2s;
}
.filter-select:focus { border-color: var(--accent); }

/* ─── Product Form ───────────────────────── */
.form-page { padding: 32px; max-width: 800px; }

.form-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}

.form-section__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
  background: var(--surface);
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }

.form-group textarea { min-height: 100px; resize: vertical; }

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

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

.form-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.form-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  cursor: pointer;
}

.form-tag input { width: auto; }

.form-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform 0.2s;
}

.toggle-switch input:checked + .toggle-slider { background: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ─── Delete Modal ───────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: var(--surface);
  border-radius: 12px;
  padding: 32px;
  max-width: 420px;
  width: 90%;
  text-align: center;
}

.modal__title { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.modal__text { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 24px; }
.modal__actions { display: flex; gap: 12px; justify-content: center; }

/* ─── Toast Notifications ────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--sidebar-bg);
  color: #fff;
  padding: 14px 24px;
  border-radius: 8px;
  font-size: 0.85rem;
  z-index: 2000;
  opacity: 0;
  transform: translateY(16px);
  transition: all 0.3s;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.toast.visible { opacity: 1; transform: translateY(0); }
.toast--success { border-left: 3px solid var(--success); }
.toast--error { border-left: 3px solid var(--danger); }

/* ─── Responsive ─────────────────────────── */
@media (max-width: 1024px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; }
  .stats-row { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-row--three { grid-template-columns: 1fr; }
}