/* ============================================================
   HOBBIESVILLE TRACKER
   Dark collector-themed dashboard CSS
   ============================================================ */

/* --- CSS Variables --- */
:root {
  /* Surfaces */
  --bg-base: #0a0c10;
  --bg-surface: #12151c;
  --bg-elevated: #1a1e28;
  --bg-hover: #222838;
  --border-subtle: #1e2330;
  --border-medium: #2a3040;

  /* Text */
  --text-primary: #e8eaf0;
  --text-secondary: #8b90a0;
  --text-muted: #5a6070;

  /* Collection accents */
  --one-piece: #dc2626;
  --dragon-ball: #f59e0b;
  --union-arena: #3b82f6;

  /* Status */
  --status-in-stock: #22c55e;
  --status-pre-order: #f59e0b;
  --status-out-of-stock: #ef4444;

  /* Misc */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.5);
  --transition: 0.2s ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

select {
  font-family: inherit;
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.nav-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.nav-logo-accent {
  color: var(--one-piece);
  margin-left: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
  border-bottom: 2px solid var(--one-piece);
}

.nav-link-logout {
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.nav-link-logout:hover {
  color: var(--status-out-of-stock);
  background: rgba(239, 68, 68, 0.08);
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.75rem 2rem 3rem;
}

.page-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* ============================================================
   LOGIN
   ============================================================ */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% 30%, #141824 0%, var(--bg-base) 70%);
}

.login-container {
  width: 100%;
  max-width: 380px;
  padding: 2.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  text-align: center;
}

.login-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.login-title-accent {
  color: var(--one-piece);
  margin-left: 3px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

.login-input:focus {
  border-color: var(--one-piece);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.login-button {
  padding: 0.75rem;
  background: var(--one-piece);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-md);
  transition: background var(--transition), transform var(--transition);
}

.login-button:hover {
  background: #b91c1c;
  transform: translateY(-1px);
}

.login-button:active {
  transform: translateY(0);
}

.login-error {
  color: var(--status-out-of-stock);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* ============================================================
   DASHBOARD GRID
   ============================================================ */

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
}

.feed-section {
  min-width: 0;
}

/* ============================================================
   FILTERS
   ============================================================ */

.filter-bar {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.filter-select {
  padding: 0.5rem 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b90a0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  padding-right: 2rem;
}

.filter-select:focus {
  border-color: var(--union-arena);
}

.filter-select option {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.filter-button {
  padding: 0.5rem 1.2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background var(--transition), border-color var(--transition);
}

.filter-button:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

/* ============================================================
   EVENTS
   ============================================================ */

.event-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.event-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--text-muted);
  border-radius: var(--radius-md);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.event-card:hover {
  transform: translateX(4px);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-card);
}

.event-image {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-elevated);
}

.event-image-placeholder {
  background: var(--bg-elevated);
  border: 1px dashed var(--border-medium);
}

.event-info {
  flex: 1;
  min-width: 0;
}

.event-product-title {
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.35;
  color: var(--text-primary);
  margin-top: 0.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-detail {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.35rem;
  flex-wrap: wrap;
}

.event-arrow {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.event-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: auto;
  text-align: right;
}

/* --- Collection badges --- */

.event-collection-badge {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  color: #fff;
  background: var(--text-muted);
}

.collection-bg-one-piece-booster-boxes {
  background: var(--one-piece);
}

.collection-bg-dragon-ball-super-booster-boxes {
  background: var(--dragon-ball);
  color: #1a1100;
}

.collection-bg-union-arena {
  background: var(--union-arena);
}

/* --- Collection left-border colors --- */

.collection-one-piece-booster-boxes {
  border-left-color: var(--one-piece);
}

.collection-dragon-ball-super-booster-boxes {
  border-left-color: var(--dragon-ball);
}

.collection-union-arena {
  border-left-color: var(--union-arena);
}

.collection-border-one-piece-booster-boxes {
  border-left-color: var(--one-piece);
}

.collection-border-dragon-ball-super-booster-boxes {
  border-left-color: var(--dragon-ball);
}

.collection-border-union-arena {
  border-left-color: var(--union-arena);
}

/* --- Status badges --- */

.status-badge {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  white-space: nowrap;
}

.status-in_stock {
  background: rgba(34, 197, 94, 0.12);
  color: var(--status-in-stock);
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.status-pre_order {
  background: rgba(245, 158, 11, 0.12);
  color: var(--status-pre-order);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.status-out_of_stock {
  background: rgba(239, 68, 68, 0.12);
  color: var(--status-out-of-stock);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

/* --- Event badges --- */

.event-badge {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  white-space: nowrap;
}

.badge-new {
  background: rgba(59, 130, 246, 0.12);
  color: var(--union-arena);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.badge-price {
  background: rgba(245, 158, 11, 0.12);
  color: var(--dragon-ball);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

/* --- Prices --- */

.price-old {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.price-new {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--status-in-stock);
}

/* ============================================================
   STATS SIDEBAR
   ============================================================ */

.stats-sidebar {
  position: sticky;
  top: 76px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.stats-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--text-muted);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
}

.stats-collection-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
}

.stat-number {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.stat-in-stock .stat-number {
  color: var(--status-in-stock);
}

.stat-pre-order .stat-number {
  color: var(--status-pre-order);
}

.stat-out-of-stock .stat-number {
  color: var(--status-out-of-stock);
}

.stats-subtitle {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.stats-empty {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
}

/* ============================================================
   POLL STATUS
   ============================================================ */

.poll-status {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
}

.poll-info {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.poll-status-value {
  font-weight: 600;
  color: var(--status-in-stock);
}

/* ============================================================
   PAGINATION
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.pagination-link {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: background var(--transition), border-color var(--transition);
}

.pagination-link:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.pagination-info {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   PRODUCT GRID
   ============================================================ */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--text-muted);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  background: var(--bg-elevated);
}

.product-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--bg-elevated);
}

.product-image-placeholder {
  background: var(--bg-elevated);
  border-bottom: 1px dashed var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-info {
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.product-title {
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.35;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.35rem;
}

.product-price {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.product-compare-price {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: 0.4rem;
}

/* ============================================================
   PRODUCT DETAIL
   ============================================================ */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  transition: color var(--transition);
}

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

.product-detail-grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 2.5rem;
}

.product-hero {
  position: sticky;
  top: 76px;
}

.product-hero-image {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.product-hero-info {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.product-detail-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.65rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--text-primary);
}

.product-detail-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.product-detail-price {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.external-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--union-arena);
  padding: 0.55rem 1.15rem;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  margin-top: 0.35rem;
  width: fit-content;
}

.external-link:hover {
  background: rgba(59, 130, 246, 0.16);
  color: #60a5fa;
}

.product-detail-tracked {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ============================================================
   CHART
   ============================================================ */

.chart-section {
  margin-bottom: 2.5rem;
}

.chart-container {
  height: 320px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

/* ============================================================
   TIMELINE
   ============================================================ */

.timeline-section {
  margin-bottom: 2rem;
}

.timeline {
  position: relative;
  padding-left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--border-medium);
  border-radius: 1px;
}

.timeline-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-muted);
  border: 3px solid var(--bg-base);
  flex-shrink: 0;
  z-index: 1;
}

.timeline-dot.event-type-new_listing {
  background: var(--union-arena);
}

.timeline-dot.event-type-status_change {
  background: var(--status-in-stock);
}

.timeline-dot.event-type-price_change {
  background: var(--dragon-ball);
}

.timeline-content {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  width: 100%;
}

.timeline-time {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: auto;
  white-space: nowrap;
}

/* ============================================================
   SETTINGS
   ============================================================ */

.settings-section {
  margin-bottom: 2rem;
}

.settings-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
}

.settings-description {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.push-controls {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.push-button {
  padding: 0.55rem 1.2rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition), opacity var(--transition);
  color: var(--text-primary);
  background: var(--bg-elevated);
  border-color: var(--border-medium);
}

.push-button:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.push-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.push-button-primary {
  background: var(--status-in-stock);
  border-color: var(--status-in-stock);
  color: #fff;
}

.push-button-primary:hover {
  background: #16a34a;
  border-color: #16a34a;
}

.push-button-secondary {
  background: var(--bg-elevated);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.push-button-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.push-button-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--status-out-of-stock);
}

.push-button-danger:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--status-out-of-stock);
}

.push-status {
  font-size: 0.82rem;
  color: var(--text-muted);
  min-height: 1.5em;
}

.push-status-ok {
  color: var(--status-in-stock);
}

.push-status-error {
  color: var(--status-out-of-stock);
}

.poll-details {
  margin-bottom: 1rem;
  line-height: 1.9;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

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

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

/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 2rem;
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .stats-sidebar {
    position: static;
  }

  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .product-hero {
    position: static;
    max-width: 400px;
  }

  .container {
    padding: 1.25rem 1rem 2rem;
  }
}

@media (max-width: 640px) {
  .main-nav {
    padding: 0 1rem;
    height: 52px;
  }

  .nav-logo {
    font-size: 1.05rem;
  }

  .nav-link {
    font-size: 0.78rem;
    padding: 0.35rem 0.5rem;
  }

  .nav-links {
    gap: 0.1rem;
  }

  .page-title {
    font-size: 1.35rem;
  }

  .product-detail-title {
    font-size: 1.3rem;
  }

  .product-detail-price {
    font-size: 1.25rem;
  }

  .filter-bar {
    flex-direction: column;
  }

  .filter-select,
  .filter-button {
    width: 100%;
  }

  .event-card {
    padding: 0.7rem 0.75rem;
    gap: 0.75rem;
  }

  .event-image {
    width: 44px;
    height: 44px;
  }

  .event-time {
    display: none;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
  }

  .chart-container {
    height: 240px;
    padding: 0.5rem;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-dot {
    left: -1.5rem;
    width: 14px;
    height: 14px;
  }

  .timeline::before {
    left: 6px;
  }

  .pagination {
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .settings-card {
    padding: 1rem;
  }

  .login-container {
    margin: 1rem;
    padding: 2rem 1.5rem;
  }
}