/* -------------------------------------------------------------------------
   Theme & typography
   ------------------------------------------------------------------------- */
:root {
  --font-sans: 'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif;
  --color-primary: #0d9488;
  --color-primary-hover: #0f766e;
  --color-primary-light: #ccfbf1;
  --color-surface: #ffffff;
  --color-surface-elevated: #f8fafc;
  --color-border: #e2e8f0;
  --color-border-focus: #0d9488;
  --color-muted: #64748b;
  --color-code-bg: #1e293b;
  --color-code-text: #e2e8f0;
  --color-code-border: #334155;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05), 0 10px 40px -10px rgba(13, 148, 136, 0.08);
  --shadow-card-hover: 0 4px 6px rgba(0, 0, 0, 0.04), 0 20px 50px -12px rgba(13, 148, 136, 0.12);
  --radius-card: 1rem;
  --radius-tab: 0.5rem;
  --radius-btn: 0.75rem;
}

body {
  font-family: var(--font-sans);
}

/* -------------------------------------------------------------------------
   Layout & background
   ------------------------------------------------------------------------- */
.page-bg {
  background: linear-gradient(160deg, #f0fdfa 0%, #ecfeff 40%, #f0f9ff 100%);
  min-height: 100vh;
}

/* -------------------------------------------------------------------------
   Animations
   ------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.5s ease-out both;
}

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

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.copy-notification.show {
  animation: toastIn 0.3s ease-out forwards;
}

/* -------------------------------------------------------------------------
   Cards
   ------------------------------------------------------------------------- */
.card-panel {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.card-panel:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(13, 148, 136, 0.15);
}

.preview-card {
  transition: all 0.25s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--color-border);
}

.preview-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.12);
  border-color: var(--color-border);
}

/* -------------------------------------------------------------------------
   Tabs
   ------------------------------------------------------------------------- */
.tabs-wrap {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--color-surface-elevated);
  border-radius: var(--radius-tab);
  border: 1px solid var(--color-border);
  overflow-x: auto;
}

.tab-button {
  flex: 1;
  min-width: 0;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  background: transparent;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.tab-button:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.tab-button.active {
  color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  font-weight: 600;
}

/* -------------------------------------------------------------------------
   Code block
   ------------------------------------------------------------------------- */
.code-block-wrap {
  position: relative;
  border-radius: var(--radius-btn);
  overflow: hidden;
  border: 1px solid var(--color-code-border);
  background: var(--color-code-bg);
}

#output {
  background: var(--color-code-bg) !important;
  color: var(--color-code-text) !important;
  font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace !important;
  font-size: 0.8125rem !important;
  line-height: 1.5 !important;
  padding: 1.25rem 1rem 1.25rem 1.25rem !important;
  max-height: 24rem !important;
  border: none !important;
  white-space: pre !important;
  overflow-x: auto !important;
}

#copyBtn {
  background: rgba(255, 255, 255, 0.08) !important;
  color: var(--color-code-text) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  transition: background 0.2s, color 0.2s;
}

#copyBtn:hover {
  background: var(--color-primary) !important;
  color: white !important;
  border-color: var(--color-primary) !important;
}

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn-primary {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: white;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.35);
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.4);
}

.btn-secondary {
  background: var(--color-surface-elevated);
  color: var(--color-muted);
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #475569;
}

/* -------------------------------------------------------------------------
   Form & inputs (override Tailwind where needed)
   ------------------------------------------------------------------------- */
.color-input-container {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.color-preview {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

/* Form inputs in generator */
#metaForm input[type="text"],
#metaForm input[type="url"],
#metaForm textarea {
  border-color: var(--color-border);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#metaForm input:focus,
#metaForm textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}

/* -------------------------------------------------------------------------
   Copy toast
   ------------------------------------------------------------------------- */
.copy-notification {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  opacity: 0;
  pointer-events: none;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-btn);
  font-weight: 500;
  font-size: 0.875rem;
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: opacity 0.25s ease;
}

.copy-notification.show {
  opacity: 1;
  pointer-events: auto;
  animation: toastIn 0.3s ease-out forwards;
}

/* -------------------------------------------------------------------------
   Social icons & preview
   ------------------------------------------------------------------------- */
.social-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1rem;
  flex-shrink: 0;
}

/* -------------------------------------------------------------------------
   Extractor
   ------------------------------------------------------------------------- */
.url-input-container {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.url-input-container input {
  flex: 1;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.url-input-container input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.url-input-container button {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-btn);
  padding: 0 1.25rem;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.url-input-container button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.35);
}

/* -------------------------------------------------------------------------
   Extracted data tabs & table
   ------------------------------------------------------------------------- */
.extracted-tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1rem;
}

.extracted-tab {
  padding: 0.5rem 1rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-muted);
}

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

.extracted-tab.active {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}

.extracted-tab-content {
  display: none;
}

.extracted-tab-content.active {
  display: block;
}

.extracted-preview-container {
  margin-top: 1.25rem;
}

.preview-platform {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.platform-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1rem;
  background: var(--color-surface-elevated);
  color: var(--color-muted);
  flex-shrink: 0;
}

.platform-name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.extracted-meta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.extracted-meta-table th {
  background: var(--color-surface-elevated);
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  border-bottom: 2px solid var(--color-border);
  color: var(--color-muted);
}

.extracted-meta-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  word-break: break-all;
}

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

.tag-badge {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary-hover);
  border-radius: 0.25rem;
  padding: 0.125rem 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 0.25rem;
  font-family: ui-monospace, monospace;
}

/* -------------------------------------------------------------------------
   Loader
   ------------------------------------------------------------------------- */
.loader {
  border: 3px solid var(--color-surface-elevated);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}