/* ============================================
   TOCHA QA Academy - Global Styles
   Single global CSS for the QA training platform
   ============================================ */

:root {
  --color-bg: #0f1419;
  --color-surface: #1a2332;
  --color-surface-elevated: #243044;
  --color-primary: #c41e3a;
  --color-primary-hover: #e02545;
  --color-accent: #2d8cff;
  --color-text: #e6edf3;
  --color-text-muted: #8b9cb3;
  --color-success: #2ea043;
  --color-warning: #d4a72c;
  --color-error: #f85149;
  --color-border: #30363d;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ---- Header & Navigation ---- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-link img {
  height: 36px;
  width: auto;
}

.logo-link span {
  color: var(--color-primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: color var(--transition), background var(--transition);
}

.main-nav a:hover {
  color: var(--color-text);
  background: var(--color-surface-elevated);
}

.main-nav a.active {
  color: var(--color-primary);
  font-weight: 600;
}

.bug-mode-widget {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-surface-elevated);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.bug-mode-widget label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.bug-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--color-border);
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--transition);
}

.bug-toggle::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform var(--transition);
}

.bug-mode-widget input:checked + .bug-toggle {
  background: var(--color-error);
}

.bug-mode-widget input:checked + .bug-toggle::after {
  transform: translateX(20px);
}

.bug-mode-widget input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

#bugStatus {
  font-size: 0.8rem;
  font-weight: 600;
  min-width: 28px;
}

#bugStatus.on {
  color: var(--color-error);
}

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

/* Bug Mode active banner */
.bug-mode-banner {
  background: linear-gradient(90deg, #5a1a1a 0%, #3d1212 100%);
  color: #ff6b6b;
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-bottom: 1px solid rgba(248, 81, 73, 0.3);
  display: none;
}

.bug-mode-banner.visible {
  display: block;
}

/* ---- Main content ---- */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 1rem 0;
  color: var(--color-text);
}

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.card h2, .card h3 {
  margin: 0 0 0.75rem 0;
  font-size: 1.1rem;
  color: var(--color-text);
}

.card p {
  margin: 0 0 0.5rem 0;
  color: var(--color-text-muted);
}

/* ---- Testing Goal & Test Data ---- */
.testing-goal {
  background: rgba(210, 167, 44, 0.12);
  border-left: 4px solid var(--color-warning);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.testing-goal h3 {
  margin: 0 0 0.35rem 0;
  font-size: 0.95rem;
  color: var(--color-warning);
}

.testing-goal p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.test-data {
  background: rgba(45, 140, 255, 0.1);
  border-left: 4px solid var(--color-accent);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.test-data h3 {
  margin: 0 0 0.35rem 0;
  font-size: 0.95rem;
  color: var(--color-accent);
}

.test-data p, .test-data code {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.test-data code {
  background: var(--color-surface-elevated);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform 0.1s ease;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

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

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

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

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
}

/* ---- Form elements ---- */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.form-control {
  width: 100%;
  max-width: 320px;
  padding: 0.6rem 0.75rem;
  font-size: 0.95rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: border-color var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-control::placeholder {
  color: var(--color-text-muted);
  opacity: 0.8;
}

.form-control.error {
  border-color: var(--color-error);
}

.field-error {
  font-size: 0.8rem;
  color: var(--color-error);
  margin-top: 0.25rem;
}

/* Checkbox & Radio */
.checkbox-group, .radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.checkbox-group label, .radio-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9rem;
}

input[type="checkbox"], input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

input[type="checkbox"].error, input[type="radio"].error {
  outline: 2px solid var(--color-error);
  outline-offset: 2px;
}

/* Toggle switch (custom) */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.toggle-row label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
  background: var(--color-border);
  border-radius: 13px;
  cursor: pointer;
  transition: background var(--transition);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  background: #fff;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform var(--transition);
}

.toggle-switch.on {
  background: var(--color-success);
}

.toggle-switch.on::after {
  transform: translateX(22px);
}

/* ---- Products grid ---- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.product-card .product-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--color-bg);
}

.product-card .product-body {
  padding: 1rem;
}

.product-card .product-title {
  margin: 0 0 0.35rem 0;
  font-size: 1rem;
  font-weight: 600;
}

.product-card .product-price {
  margin: 0 0 0.75rem 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* ---- Cart ---- */
.cart-items {
  margin-bottom: 1.5rem;
}

.cart-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto auto;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

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

.cart-qty-input {
  width: 60px;
  text-align: center;
  padding: 0.4rem;
}

.cart-total-row {
  font-size: 1.25rem;
  font-weight: 700;
  padding: 1rem 0;
  border-top: 2px solid var(--color-border);
  margin-top: 0.5rem;
}

.cart-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Checkout steps */
.checkout-steps {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.checkout-step {
  padding: 0.4rem 0.8rem;
  background: var(--color-surface-elevated);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.checkout-step.active {
  background: var(--color-primary);
  color: #fff;
}

.cart-summary {
  margin-bottom: 1rem;
}

.cart-summary .data-table { margin-bottom: 0.5rem; }

.copy-curl-wrap { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }

.copy-curl-wrap .btn-sm { flex-shrink: 0; }

/* ---- Tables (data) ---- */
.data-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background: var(--color-surface-elevated);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.data-table th:hover {
  color: var(--color-text);
}

.data-table th.sorted-asc::after {
  content: ' ▲';
  font-size: 0.75em;
  color: var(--color-primary);
}

.data-table th.sorted-desc::after {
  content: ' ▼';
  font-size: 0.75em;
  color: var(--color-primary);
}

.data-table tbody tr:hover {
  background: var(--color-surface-elevated);
}

.table-toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.table-toolbar .search-input {
  max-width: 280px;
}

.table-info {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

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

.modal-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  transform: scale(0.95);
  transition: transform var(--transition);
}

.modal-overlay.visible .modal-box {
  transform: scale(1);
}

.modal-box h3 {
  margin: 0 0 0.75rem 0;
}

.modal-box p {
  margin: 0 0 1rem 0;
  color: var(--color-text-muted);
}

/* ---- Tooltip ---- */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  padding: 0.4rem 0.6rem;
  background: var(--color-surface-elevated);
  color: var(--color-text);
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  border: 1px solid var(--color-border);
  z-index: 10;
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ---- API Simulator ---- */
.api-endpoint {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.api-endpoint .method {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-right: 0.5rem;
}

.api-endpoint .method.get { background: var(--color-success); color: #fff; }
.api-endpoint .method.post { background: var(--color-accent); color: #fff; }

.api-response {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 60px;
}

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

.api-response.error {
  color: var(--color-error);
}

.api-response.success {
  color: var(--color-success);
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 0.5rem;
}

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

/* ---- Dashboard cards ---- */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.dashboard-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), transform 0.15s ease, box-shadow var(--transition);
}

.dashboard-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.dashboard-card h3 {
  margin: 0 0 0.35rem 0;
  font-size: 1.1rem;
  color: var(--color-text);
}

.dashboard-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ---- Message / Alert ---- */
.message {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.message.error {
  background: rgba(248, 81, 73, 0.15);
  border: 1px solid rgba(248, 81, 73, 0.4);
  color: #ff6b6b;
}

.message.success {
  background: rgba(46, 160, 67, 0.15);
  border: 1px solid rgba(46, 160, 67, 0.4);
  color: #3fb950;
}

/* ---- Home hero ---- */
.hero {
  text-align: center;
  padding: 2rem 1rem;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2rem;
  margin: 0 0 0.5rem 0;
  color: var(--color-text);
}

.hero .tagline {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0 0 1.5rem 0;
}

.hero .btn-e2e {
  margin-bottom: 0.5rem;
}

.hero .hero-flow-hint {
  font-size: 0.9rem;
  margin: 0;
}

/* Header visit bar (home page) */
.header-visit-bar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem 1.5rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
}

.header-visit-message {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.header-visit-message::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 14px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-hover));
  border-radius: 2px;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.header-visit-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-bg) 100%);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.35rem 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-visit-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.header-visit-number {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  min-width: 1.5em;
  text-align: right;
}

.e2e-flow-banner {
  border-left: 4px solid var(--color-accent);
}

.e2e-flow-banner h3 { margin-top: 0; }

.api-docs-card .expectation-cell,
.expectation-cell {
  max-width: 320px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.expectation-cell code {
  background: var(--color-surface-elevated);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-size: 0.8em;
}

.modules-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}

.modules-list a {
  display: block;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition);
}

.modules-list a:hover {
  background: var(--color-surface-elevated);
  border-color: var(--color-primary);
  color: var(--color-text);
}

/* ---- Site footer (Tocha Smart Solutions) ---- */
.site-footer {
  margin-top: 3rem;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 2rem 1.5rem 1rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.footer-brand span { color: var(--color-primary); }

.footer-tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 2rem;
  margin-bottom: 2rem;
}

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

.footer-contact p {
  margin: 0 0 0.25rem 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-contact a {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-contact a:hover { text-decoration: underline; }

.footer-links h4 {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  display: block;
  padding: 0.2rem 0;
}

.footer-links a:hover { color: var(--color-text); }

.footer-newsletter h4 {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-newsletter .newsletter-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.footer-newsletter .form-control {
  max-width: 220px;
}

.footer-bottom {
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

.cookie-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface-elevated);
  border-top: 1px solid var(--color-border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  z-index: 90;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.cookie-bar.hidden { display: none; }

.cookie-bar .btn { flex-shrink: 0; }

body:has(.cookie-bar:not(.hidden)) { padding-bottom: 4rem; }

/* ---- Utility ---- */
.text-muted { color: var(--color-text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mb-0 { margin-bottom: 0; }

/* Responsive */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-visit-bar {
    justify-content: center;
    text-align: center;
  }

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

  .cart-row .product-name { grid-column: 1 / -1; }
}