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

:root {
  --bg: #000;
  --surface: #16181c;
  --border: #2f3336;
  --text: #e7e9ea;
  --text-secondary: #71767b;
  --accent: #1d9bf0;
  --accent-hover: #1a8cd8;
  --error: #f4212e;
  --warning: #ffd400;
  --success: #00ba7c;
  --radius: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 40px;
}

header h1 {
  font-size: 28px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

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

.subtitle {
  color: var(--text-secondary);
  margin-top: 8px;
  font-size: 15px;
}

/* Input */
.input-section {
  margin-bottom: 24px;
}

.input-row {
  display: flex;
  gap: 12px;
}

#url-input {
  flex: 1;
  padding: 12px 16px;
  font-size: 15px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9999px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

#url-input:focus {
  border-color: var(--accent);
}

#url-input::placeholder {
  color: var(--text-secondary);
}

#validate-btn {
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

#validate-btn:hover {
  background: var(--accent-hover);
}

#validate-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Error banner */
.error-banner {
  background: rgba(244, 33, 46, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 24px;
  font-size: 14px;
}

/* Results */
.results {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 700px) {
  .results-grid {
    grid-template-columns: 1fr;
  }
}

.results h2 {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--text);
}

.results h3 {
  font-size: 15px;
  margin: 20px 0 10px;
  color: var(--text-secondary);
}

/* Card type label */
.card-type-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  background: rgba(29, 155, 240, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}

/* Twitter Card Styles */
.twitter-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  transition: background 0.2s;
  cursor: pointer;
}

.twitter-card:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Summary Large Image */
.card-large .card-image-large {
  width: 100%;
  aspect-ratio: 2 / 1;
  background: var(--surface);
  overflow: hidden;
}

.card-large .card-image-large img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Summary Card */
.card-summary {
  display: flex;
  height: 130px;
}

.card-summary .card-thumb {
  width: 130px;
  min-width: 130px;
  background: var(--surface);
  overflow: hidden;
}

.card-summary .card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Shared card body */
.card-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  min-width: 0;
}

.card-domain {
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: lowercase;
}

.card-title {
  font-size: 15px;
  font-weight: 400;
  color: var(--text);
  margin: 2px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* No image card */
.card-noimage {
  min-height: 80px;
}

/* Validation Messages */
.msg {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 6px;
}

.msg-error {
  background: rgba(244, 33, 46, 0.1);
  color: var(--error);
}

.msg-warning {
  background: rgba(255, 212, 0, 0.1);
  color: var(--warning);
}

.msg-success {
  background: rgba(0, 186, 124, 0.1);
  color: var(--success);
}

.msg-icon {
  flex-shrink: 0;
  font-size: 14px;
  margin-top: 1px;
}

/* Meta table */
.meta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.meta-table th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-weight: 600;
}

.meta-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  word-break: break-all;
}

.meta-table td:first-child {
  color: var(--accent);
  white-space: nowrap;
  font-family: "SF Mono", Monaco, Consolas, monospace;
  font-size: 12px;
}

.meta-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Deep Checks */
.deep-checks-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
}

.deep-checks-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.deep-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 13px;
}

.deep-check.check-ok {
  background: rgba(0, 186, 124, 0.06);
}

.deep-check.check-fail {
  background: rgba(244, 33, 46, 0.08);
}

.check-icon {
  flex-shrink: 0;
  font-size: 12px;
}

.check-ok .check-icon {
  color: var(--success);
}

.check-fail .check-icon {
  color: var(--error);
}

.check-name {
  color: var(--text);
  min-width: 120px;
}

.check-status {
  color: var(--text-secondary);
  font-family: "SF Mono", Monaco, Consolas, monospace;
  font-size: 12px;
}

/* Cache Purge */
.cache-section {
  margin-top: 20px;
}

.purge-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s;
}

.purge-btn:hover {
  color: var(--text);
  border-color: var(--text-secondary);
  background: var(--surface);
}

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

.purge-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--text-secondary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.purge-result {
  margin-top: 12px;
  font-size: 13px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.purge-result .purge-status {
  font-weight: 600;
  margin-bottom: 8px;
}

.purge-result .purge-status.success {
  color: var(--success);
}

.purge-result .purge-status.partial {
  color: var(--warning);
}

.purge-result .purge-attempts {
  margin: 8px 0;
}

.purge-result .attempt {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
  color: var(--text-secondary);
}

.attempt-ok {
  color: var(--success);
}

.attempt-fail {
  color: var(--text-secondary);
}

.purge-result .purge-fallback {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}

.purge-result .purge-fallback a {
  color: var(--accent);
  text-decoration: none;
}

.purge-result .purge-fallback a:hover {
  text-decoration: underline;
}

.purge-result .purge-info {
  margin-top: 8px;
  padding: 8px 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

/* ── Platform Tabs ──────────────────────────────────────────────────────── */
.platform-tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.platform-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
  font-family: inherit;
}

.platform-tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.platform-tab.active { color: var(--text); }
.platform-icon { flex-shrink: 0; }

.platform-tab[data-platform="twitter"].active  { border-bottom-color: #1d9bf0; }
.platform-tab[data-platform="twitter"].active .platform-icon { color: #1d9bf0; }
.platform-tab[data-platform="facebook"].active { border-bottom-color: #1877f2; }
.platform-tab[data-platform="facebook"].active .platform-icon { color: #1877f2; }
.platform-tab[data-platform="linkedin"].active { border-bottom-color: #0a66c2; }
.platform-tab[data-platform="linkedin"].active .platform-icon { color: #0a66c2; }
.platform-tab[data-platform="discord"].active  { border-bottom-color: #5865f2; }
.platform-tab[data-platform="discord"].active .platform-icon { color: #5865f2; }
.platform-tab[data-platform="whatsapp"].active { border-bottom-color: #25d366; }
.platform-tab[data-platform="whatsapp"].active .platform-icon { color: #25d366; }

@media (max-width: 700px) {
  .platform-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .platform-tab { padding: 12px 12px; font-size: 13px; }
}

/* ── Facebook Card ─────────────────────────────────────────────────────── */
.facebook-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.fb-card-image {
  width: 100%;
  aspect-ratio: 1.91 / 1;
  background: #2a2a2a;
  overflow: hidden;
}

.fb-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.fb-card-body {
  padding: 10px 12px;
  border-top: 1px solid var(--border);
}

.fb-card-domain {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.fb-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 4px 0 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.fb-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

/* ── LinkedIn Card ─────────────────────────────────────────────────────── */
.linkedin-card {
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  background: var(--surface);
}

.li-card-image {
  width: 100%;
  aspect-ratio: 1.91 / 1;
  background: #2a2a2a;
  overflow: hidden;
}

.li-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.li-card-body {
  padding: 10px 12px;
}

.li-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.li-card-domain {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ── Discord Embed ─────────────────────────────────────────────────────── */
.discord-embed {
  display: flex;
  border-radius: 4px;
  overflow: hidden;
  background: #2f3136;
  max-width: 432px;
}

.discord-embed-sidebar {
  width: 4px;
  min-width: 4px;
  background: #5865f2;
}

.discord-embed-content {
  padding: 12px 16px;
  flex: 1;
  min-width: 0;
}

.discord-embed-provider {
  font-size: 12px;
  color: #b9bbbe;
}

.discord-embed-title {
  font-size: 16px;
  font-weight: 600;
  color: #00aff4;
  margin: 4px 0 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.discord-embed-desc {
  font-size: 14px;
  color: #dcddde;
  margin-bottom: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.discord-embed-image {
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 10px;
}

.discord-embed-image img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}

/* ── WhatsApp Card ─────────────────────────────────────────────────────── */
.whatsapp-card {
  border-radius: 8px;
  overflow: hidden;
  background: #1f2c34;
  max-width: 340px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.wa-card-image {
  width: 100%;
  aspect-ratio: 1.91 / 1;
  background: #2a2a2a;
  overflow: hidden;
}

.wa-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.wa-card-body {
  padding: 8px 10px;
}

.wa-card-domain {
  font-size: 11px;
  color: #8696a0;
  text-transform: lowercase;
}

.wa-card-title {
  font-size: 13px;
  font-weight: 600;
  color: #e9edef;
  margin: 2px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.wa-card-desc {
  font-size: 12px;
  color: #8696a0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ── Utility ───────────────────────────────────────────────────────────── */
.hidden {
  display: none !important;
}