/* ========================================
   CardmarketPriceTracker – Design System
   Dark Mode with Pokémon Gold Accent
   ======================================== */

:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a28;
  --bg-card: rgba(22, 22, 35, 0.85);
  --bg-card-hover: rgba(30, 30, 48, 0.95);
  --bg-glass: rgba(22, 22, 35, 0.6);

  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a82;

  --accent: #f0c040;
  --accent-hover: #ffd060;
  --accent-dim: rgba(240, 192, 64, 0.15);
  --accent-glow: rgba(240, 192, 64, 0.3);

  --green: #34d399;
  --green-dim: rgba(52, 211, 153, 0.15);
  --red: #f87171;
  --red-dim: rgba(248, 113, 113, 0.15);

  --border: rgba(255, 255, 255, 0.06);
  --border-active: rgba(240, 192, 64, 0.4);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(240, 192, 64, 0.15);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-xs: 0.75rem;
  --font-sm: 0.8125rem;
  --font-base: 0.9375rem;
  --font-lg: 1.125rem;
  --font-xl: 1.5rem;
  --font-2xl: 2rem;
  --font-3xl: 2.5rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Transitions */
  --transition: 200ms ease;
  --transition-slow: 400ms ease;
}

/* ========================================
   Reset & Base
   ======================================== */

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

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

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(240, 192, 64, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(99, 102, 241, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

#app {
  position: relative;
  z-index: 1;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

/* ========================================
   Navigation
   ======================================== */

nav#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-xl);
  z-index: 1000;
  transition: transform var(--transition-slow);
}

nav#main-nav.hidden {
  transform: translateY(-100%);
  pointer-events: none;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-right: var(--space-2xl);
}

.nav-logo {
  font-size: 1.5rem;
  filter: drop-shadow(0 0 8px rgba(240, 192, 64, 0.5));
}

.nav-title {
  font-size: var(--font-lg);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: var(--space-xs);
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--font-sm);
  font-weight: 500;
  transition: all var(--transition);
  text-decoration: none;
}

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

.nav-link.active {
  color: var(--accent);
  background: var(--accent-dim);
  box-shadow: inset 0 0 0 1px var(--border-active);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-left: auto;
}

#nav-email {
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.lang-toggle {
  display: flex;
  gap: 2px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 2px;
}

.lang-btn {
  padding: 4px 10px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: var(--font-xs);
  font-weight: 600;
  font-family: var(--font-family);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn.active {
  background: var(--accent);
  color: var(--bg-primary);
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
}

/* ========================================
   Main Content
   ======================================== */

#main-content {
  padding-top: 64px;
  min-height: 100vh;
}

.page-content {
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl);
  width: 100%;
  box-sizing: border-box;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
}

.page-title {
  font-size: var(--font-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: var(--font-base);
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #e5a820);
  color: #0a0a0f;
  box-shadow: var(--shadow-sm), 0 0 16px rgba(240, 192, 64, 0.2);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
  box-shadow: var(--shadow-md), 0 0 24px rgba(240, 192, 64, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 14px;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(248, 113, 113, 0.2);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(248, 113, 113, 0.25);
  border-color: var(--red);
}

.btn-sm {
  padding: 6px 12px;
  font-size: var(--font-xs);
}

.topflop-toggle {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.topflop-toggle.active {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
  font-weight: 600;
}

.btn-lg {
  padding: 14px 28px;
  font-size: var(--font-base);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* ========================================
   Cards
   ======================================== */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-value {
  font-size: var(--font-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: var(--space-xs);
}

.card-subtitle {
  font-size: var(--font-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ========================================
   Summary Cards Grid
   ======================================== */

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.summary-card {
  position: relative;
  overflow: hidden;
}

.summary-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.summary-card:hover::before {
  opacity: 1;
}

.summary-card .card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--accent-dim);
}

.summary-card.positive .card-value {
  color: var(--green);
}

.summary-card.negative .card-value {
  color: var(--red);
}

/* ========================================
   Forms
   ======================================== */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-base);
  transition: all var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

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

.form-hint {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.form-error {
  font-size: var(--font-xs);
  color: var(--red);
  margin-top: var(--space-xs);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.form-card {
  max-width: 800px;
  margin: 0 auto;
}

/* ========================================
   Table
   ======================================== */

.table-container {
  overflow-x: auto;
  overflow-y: auto;
  max-height: calc(100vh - 280px);
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  max-width: 100%;
}

/* Styled horizontal scrollbar for table */
.table-container::-webkit-scrollbar {
  height: 8px;
}

.table-container::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-sm);
}

thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

th {
  background: var(--bg-tertiary);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  font-size: var(--font-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: color var(--transition);
}

th:hover {
  color: var(--accent);
}

th.sorted-asc::after {
  content: ' ▲';
  font-size: 0.6em;
  color: var(--accent);
}

th.sorted-desc::after {
  content: ' ▼';
  font-size: 0.6em;
  color: var(--accent);
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tr {
  transition: background var(--transition);
}

tbody tr:hover {
  background: rgba(240, 192, 64, 0.03);
}

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

.cell-positive {
  color: var(--green);
  font-weight: 600;
}

.cell-negative {
  color: var(--red);
  font-weight: 600;
}

.cell-link {
  color: var(--accent);
  cursor: pointer;
  font-weight: 500;
}

.cell-link:hover {
  text-decoration: underline;
}

/* ========================================
   Filters & Search
   ======================================== */

.toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 200px;
  padding: 10px 16px 10px 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-sm);
  outline: none;
  transition: all var(--transition);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236a6a82' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='M21 21l-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 14px center;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.filter-select {
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-sm);
  outline: none;
  cursor: pointer;
  min-width: 140px;
  transition: all var(--transition);
}

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

/* ========================================
   Login Page
   ======================================== */

.auth-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-xl) var(--space-lg);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  padding: var(--space-xl) var(--space-xl);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.auth-logo {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  filter: drop-shadow(0 0 16px rgba(240, 192, 64, 0.4));
}

.auth-title {
  font-size: var(--font-xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-subtitle {
  font-size: var(--font-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.auth-toggle {
  text-align: center;
  margin-top: var(--space-lg);
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.auth-toggle a {
  cursor: pointer;
  font-weight: 600;
}

.auth-error {
  background: var(--red-dim);
  color: var(--red);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(248, 113, 113, 0.2);
  display: none;
}

.auth-error.visible {
  display: block;
  animation: shakeX 0.4s ease;
}

/* ---- Feature Showcase (below login) ---- */
.login-showcase {
  width: 100%;
  max-width: 900px;
  margin-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.login-showcase-divider {
  width: 60px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 0 auto var(--space-xl);
}

.login-showcase-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-showcase-subtitle {
  text-align: center;
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

/* Image Carousel */
.login-carousel {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(240, 192, 64, 0.06);
  margin-bottom: var(--space-lg);
  background: var(--card-bg);
}

.login-carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.login-carousel-track img {
  width: 100%;
  flex-shrink: 0;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

.login-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 5;
  backdrop-filter: blur(4px);
}

.login-carousel-btn:hover {
  background: rgba(0, 0, 0, 0.8);
  border-color: var(--accent);
}

.login-carousel-prev {
  left: 12px;
}

.login-carousel-next {
  right: 12px;
}

.login-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: var(--space-md) 0;
}

.login-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.login-carousel-dot.active {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(240, 192, 64, 0.4);
  width: 24px;
  border-radius: 4px;
}

.login-carousel-label {
  text-align: center;
  font-size: var(--font-sm);
  color: var(--text-muted);
  padding-bottom: var(--space-md);
  font-weight: 600;
}

/* Feature Cards */
.login-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.login-feature-card {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.login-feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.login-feature-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.login-feature-name {
  font-size: var(--font-sm);
  font-weight: 700;
  margin-bottom: 4px;
}

.login-feature-desc {
  font-size: var(--font-xs);
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .login-features {
    grid-template-columns: 1fr;
  }

  .login-carousel-btn {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }

  .login-showcase-title {
    font-size: 1.2rem;
  }
}

/* ========================================
   Product Detail
   ======================================== */

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.detail-card {
  padding: var(--space-xl);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.detail-value {
  font-weight: 600;
  font-size: var(--font-base);
}

.detail-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* ========================================
   Chart
   ======================================== */

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(12px);
}

.chart-canvas-wrapper {
  position: relative;
  height: 400px;
  width: 100%;
}

/* ========================================
   Loading & States
   ======================================== */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 15, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(4px);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 18px;
  height: 18px;
  border-width: 2px;
  display: inline-block;
  vertical-align: middle;
}

.loading-text {
  color: var(--text-secondary);
  margin-top: var(--space-md);
  font-size: var(--font-sm);
  text-align: center;
}

.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.empty-state-text {
  font-size: var(--font-sm);
  max-width: 400px;
  margin: 0 auto var(--space-lg);
}

/* ========================================
   Toast Notifications
   ======================================== */

#toast-container {
  position: fixed;
  top: 80px;
  right: var(--space-xl);
  z-index: 10001;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  font-weight: 500;
  animation: slideInRight 0.3s ease, fadeOut 0.3s ease 3.7s forwards;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.toast-success {
  background: rgba(52, 211, 153, 0.15);
  color: var(--green);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.toast-error {
  background: rgba(248, 113, 113, 0.15);
  color: var(--red);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.toast-info {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--border-active);
}

/* ========================================
   Progress Bar
   ======================================== */

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-top: var(--space-sm);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* ========================================
   Modal
   ======================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.2s ease;
}

.modal-title {
  font-size: var(--font-lg);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.modal-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  margin-top: var(--space-xl);
}

/* ========================================
   Badge / Tag
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: var(--font-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-accent {
  background: var(--accent-dim);
  color: var(--accent);
}

.badge-green {
  background: var(--green-dim);
  color: var(--green);
}

.badge-red {
  background: var(--red-dim);
  color: var(--red);
}

/* ========================================
   Animations
   ======================================== */

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes shakeX {

  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-6px);
  }

  75% {
    transform: translateX(6px);
  }
}

/* Page entrance animation */
.page-content {
  animation: slideUp 0.3s ease;
}

/* ========================================
   Scrollbar
   ======================================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ========================================
   Hamburger Menu Button
   ======================================== */

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  z-index: 1001;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Chart Grid Layout Classes
   ======================================== */

.chart-grid-kpi {
  grid-template-columns: repeat(5, 1fr);
}

.chart-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.chart-grid-donuts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
  .page-content {
    padding: var(--space-lg) var(--space-md);
  }

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

@media (max-width: 768px) {

  /* --- Navigation --- */
  .nav-hamburger {
    display: flex;
  }

  nav#main-nav {
    flex-wrap: wrap;
    height: auto;
    min-height: 56px;
    padding: var(--space-sm) var(--space-md);
    gap: 0;
    align-items: center;
  }

  .nav-brand {
    margin-right: 0;
  }

  .nav-title {
    font-size: var(--font-sm);
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: var(--space-xs);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
    margin-top: var(--space-sm);
    order: 3;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-link {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--font-base);
  }

  .nav-user {
    display: none;
    width: 100%;
    justify-content: space-between;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border);
    margin-top: var(--space-xs);
    order: 4;
  }

  .nav-links.open~.nav-user {
    display: flex;
  }

  /* --- Page Content --- */
  .page-content {
    padding: var(--space-md) var(--space-sm);
  }

  #main-content {
    padding-top: 56px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .page-header .flex {
    width: 100%;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .page-header .btn {
    flex: 1;
    min-width: 120px;
    justify-content: center;
    font-size: var(--font-xs);
    padding: 8px 12px;
  }

  .page-title {
    font-size: var(--font-lg);
  }

  /* --- Toolbar / Filters --- */
  .toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }

  .search-input {
    min-width: unset;
    width: 100%;
  }

  .filter-select {
    width: 100%;
  }

  /* --- Summary Grid --- */
  .summary-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .summary-card {
    padding: var(--space-md);
  }

  .summary-value {
    font-size: var(--font-lg);
  }

  /* --- Table / Mobile Card View --- */
  thead {
    display: none;
  }

  .table-container {
    max-height: calc(100vh - 200px);
    border-radius: var(--radius-md);
  }

  th,
  td {
    padding: 8px 8px;
    font-size: var(--font-xs);
  }

  /* --- Chart Grids --- */
  .chart-grid-kpi {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .chart-grid-2col {
    grid-template-columns: 1fr !important;
  }

  .chart-grid-donuts {
    grid-template-columns: 1fr !important;
  }

  /* --- Cards --- */
  .card {
    padding: var(--space-md) !important;
  }

  /* --- Buttons --- */
  .btn {
    padding: 8px 14px;
    font-size: var(--font-xs);
  }

  .btn-sm {
    padding: 5px 10px;
  }

  /* --- Charts --- */
  .chart-grid {
    grid-template-columns: 1fr !important;
  }

  /* --- Scrape Progress --- */
  .scrape-controls {
    flex-wrap: wrap;
  }

  /* --- Detail View --- */
  .detail-row {
    flex-direction: column;
    gap: 2px;
  }

  /* --- Add Page Grid: stack vertically on mobile --- */
  #add-grid {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .page-content {
    padding: var(--space-sm) var(--space-xs);
  }

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

  .page-title {
    font-size: var(--font-base);
  }

  .nav-title {
    font-size: var(--font-xs);
  }

  th,
  td {
    padding: 6px 6px;
  }

  .table-container {
    max-height: calc(100vh - 220px);
  }

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

/* ========================================
   Utility Classes
   ======================================== */

.hidden {
  display: none !important;
}

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

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

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

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

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

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

.font-mono {
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}