:root {
  --sf-green: #00b956;
  --sf-green-hover: #009e49;
  --sf-green-light: rgba(0, 185, 86, 0.12);
  --sf-bg: #f6f8fa;
  --sf-surface: #ffffff;
  --sf-surface-alt: #f0f4f8;
  --sf-text: #1c2430;
  --sf-text-muted: #5e6c84;
  --sf-border: #dce3eb;
  --sf-shadow: 0 10px 30px rgba(16, 24, 40, 0.07);
  --sf-radius: 12px;
}

body.dark-mode {
  --sf-bg: #0f141c;
  --sf-surface: #18202c;
  --sf-surface-alt: #212b3a;
  --sf-text: #f1f5f9;
  --sf-text-muted: #94a3b8;
  --sf-border: #2c384b;
  --sf-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--sf-bg);
  color: var(--sf-text);
  line-height: 1.55;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.sf-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hidden {
  display: none !important;
}

/* Header */
.sf-header {
  background: var(--sf-surface);
  border-bottom: 1px solid var(--sf-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.sf-header-inner {
  max-width: 1380px;
  margin: 0 auto;
  padding: 18px 36px;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: nowrap;
}

.sf-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--sf-text);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.sf-logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--sf-green);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 185, 86, 0.35);
}

.sf-logo-green {
  color: var(--sf-green);
}

.sf-logo-text small {
  font-size: 0.78rem;
  color: var(--sf-text-muted);
  font-weight: 600;
  margin-left: 2px;
}

.sf-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: nowrap;
  white-space: nowrap;
  flex: 1;
}

.sf-nav-link {
  text-decoration: none;
  color: var(--sf-text-muted);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 8px 13px;
  border-radius: 8px;
  transition: all 0.15s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sf-nav-link:hover,
.sf-nav-link.active {
  color: var(--sf-green);
  background: var(--sf-green-light);
}

.sf-header-actions {
  margin-left: auto;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sf-theme-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--sf-border);
  background: var(--sf-surface-alt);
  color: var(--sf-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.sf-theme-btn:hover {
  border-color: var(--sf-green);
  color: var(--sf-green);
}

/* Hero Section */
.sf-hero {
  padding: 60px 0 40px;
}

.sf-hero-head {
  text-align: center;
  margin-bottom: 28px;
}

.sf-platform-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 14px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.sf-hero-head h1 {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}

.sf-hero-sub {
  color: var(--sf-text-muted);
  font-size: 1.02rem;
  max-width: 640px;
  margin: 0 auto;
}

/* SaveFrom Green Search Bar */
.sf-search-box {
  display: flex;
  align-items: stretch;
  background: var(--sf-surface);
  border: 3px solid var(--sf-green);
  border-radius: 12px;
  box-shadow: 0 8px 26px rgba(0, 185, 86, 0.15);
  overflow: hidden;
  max-width: 860px;
  margin: 0 auto;
}

.sf-input-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 6px 12px 6px 18px;
  gap: 8px;
}

.sf-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1.03rem;
  color: var(--sf-text);
  font-family: inherit;
  min-width: 0;
}

.sf-input::placeholder {
  color: var(--sf-text-muted);
  opacity: 0.75;
}

.sf-input-tools {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sf-tool-btn {
  border: none;
  background: transparent;
  color: var(--sf-text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
}

.sf-tool-btn:hover {
  background: var(--sf-surface-alt);
  color: var(--sf-text);
}

.sf-paste-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid var(--sf-border);
  background: var(--sf-surface-alt);
  color: var(--sf-text);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.sf-paste-btn:hover {
  border-color: var(--sf-green);
  color: var(--sf-green);
}

.sf-submit-btn {
  border: none;
  background: var(--sf-green);
  color: #ffffff;
  font-weight: 700;
  font-size: 1.08rem;
  padding: 0 32px;
  min-height: 58px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s ease;
}

.sf-submit-btn:hover {
  background: var(--sf-green-hover);
}

.sf-submit-btn:disabled {
  opacity: 0.65;
  cursor: wait;
}

/* Helper / Sample Chips */
.sf-helper-row {
  max-width: 860px;
  margin: 12px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--sf-text-muted);
}

.sf-terms-note code {
  background: var(--sf-surface-alt);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--sf-green);
  font-weight: 600;
}

.sf-sample-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sf-sample-chip {
  border: 1px solid var(--sf-border);
  background: var(--sf-surface);
  color: var(--sf-text);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.sf-sample-chip:hover {
  border-color: var(--sf-green);
  color: var(--sf-green);
}

/* Loading & Error States */
.sf-status-card,
.sf-error-card {
  max-width: 860px;
  margin: 24px auto 0;
  padding: 20px 24px;
  border-radius: var(--sf-radius);
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--sf-shadow);
}

.sf-error-card {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.06);
  color: #ef4444;
}

.sf-error-content p {
  font-size: 0.9rem;
  margin-top: 2px;
  opacity: 0.9;
}

.sf-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--sf-border);
  border-top-color: var(--sf-green);
  border-radius: 50%;
  animation: sf-spin 0.8s linear infinite;
  flex-shrink: 0;
}

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

.sf-status-text {
  display: flex;
  flex-direction: column;
}

.sf-status-text span {
  font-size: 0.88rem;
  color: var(--sf-text-muted);
}

/* SaveFrom Result Box */
.sf-result-card {
  max-width: 860px;
  margin: 26px auto 0;
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: var(--sf-shadow);
}

.sf-result-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: start;
}

.sf-thumb-wrap {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  aspect-ratio: 16 / 9;
}

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

.sf-duration-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.82);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 5px;
}

.sf-extractor-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--sf-green);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 5px;
}

.sf-play-overlay {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 185, 86, 0.92);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.sf-play-overlay:hover {
  transform: scale(1.08);
  background: var(--sf-green);
}

.sf-embed-wrap {
  margin-top: 10px;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #000;
}

.sf-embed-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.sf-video-title {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.35;
}

.sf-video-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--sf-text-muted);
  margin-bottom: 18px;
}

.sf-source-link {
  color: var(--sf-green);
  text-decoration: none;
  font-weight: 600;
  margin-left: auto;
}

.sf-source-link:hover {
  text-decoration: underline;
}

/* SaveFrom Split Action Button + Format Dropdown */
.sf-action-area {
  display: flex;
  align-items: stretch;
  gap: 10px;
  flex-wrap: wrap;
}

.sf-dl-main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background: var(--sf-green);
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 13px 26px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
  box-shadow: 0 4px 14px rgba(0, 185, 86, 0.28);
}

.sf-dl-main-btn:hover {
  background: var(--sf-green-hover);
}

.sf-dl-main-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.sf-format-dropdown {
  position: relative;
  min-width: 190px;
}

.sf-format-trigger {
  width: 100%;
  height: 100%;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 16px;
  background: var(--sf-surface-alt);
  border: 2px solid var(--sf-green);
  border-radius: 9px;
  color: var(--sf-text);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
}

.sf-mini-badge {
  background: var(--sf-green);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}

.sf-format-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 310px;
  max-height: 360px;
  overflow-y: auto;
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 11px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.18);
  padding: 10px;
  z-index: 90;
}

.sf-format-group + .sf-format-group {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--sf-border);
}

.sf-format-group-title {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--sf-text-muted);
  padding: 4px 8px 6px;
}

.sf-format-item {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--sf-text);
  padding: 8px 10px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: inherit;
  transition: background 0.12s ease;
}

.sf-format-item:hover,
.sf-format-item.active {
  background: var(--sf-green-light);
  color: var(--sf-green);
}

.sf-format-item-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.sf-format-item-right {
  font-size: 0.8rem;
  color: var(--sf-text-muted);
  font-weight: 500;
}

.sf-selected-details {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.84rem;
  color: var(--sf-text-muted);
}

.sf-direct-link {
  color: var(--sf-green);
  text-decoration: none;
  font-weight: 600;
}

.sf-direct-link:hover {
  text-decoration: underline;
}

/* Real-time Download Progress Box */
.sf-progress-box {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--sf-surface-alt);
  border: 1px solid var(--sf-border);
}

.sf-progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.sf-progress-track {
  width: 100%;
  height: 9px;
  background: var(--sf-border);
  border-radius: 999px;
  overflow: hidden;
}

.sf-progress-fill {
  height: 100%;
  background: var(--sf-green);
  border-radius: 999px;
  transition: width 0.25s ease;
}

.sf-progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.79rem;
  color: var(--sf-text-muted);
  margin-top: 6px;
}

/* History Section */
.sf-history-section {
  max-width: 860px;
  margin: 28px auto 0;
}

.sf-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.sf-history-header h3 {
  font-size: 1rem;
  font-weight: 700;
}

.sf-clear-history-btn {
  border: none;
  background: transparent;
  color: var(--sf-text-muted);
  font-size: 0.82rem;
  cursor: pointer;
}

.sf-clear-history-btn:hover {
  color: #ef4444;
}

.sf-history-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.sf-history-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.sf-history-card:hover {
  border-color: var(--sf-green);
}

.sf-history-card img {
  width: 68px;
  height: 42px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.sf-history-card-info {
  overflow: hidden;
}

.sf-history-card-title {
  font-size: 0.84rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sf-history-card-meta {
  font-size: 0.75rem;
  color: var(--sf-text-muted);
}

/* Supported Resources & How-To Sections */
.sf-resources-section,
.sf-howto-section,
.sf-faq-section {
  padding: 46px 0;
  border-top: 1px solid var(--sf-border);
}

.sf-section-title {
  text-align: center;
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.sf-section-subtitle {
  text-align: center;
  color: var(--sf-text-muted);
  margin-bottom: 28px;
}

.sf-resources-grid {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 8px;
}

.sf-resource-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 13px;
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
}

.sf-cat-icon {
  display: inline-flex;
  align-items: center;
}

body.pinterest-mode #activeCategoryBadge {
  border-color: #e60023;
  background: rgba(230, 0, 35, 0.1);
  color: #e60023;
}

body.amazon-mode #activeCategoryBadge {
  border-color: #ff9900;
  background: rgba(255, 153, 0, 0.12);
  color: #d97706;
}

body.alibaba-mode #activeCategoryBadge {
  border-color: #ff6a00;
  background: rgba(255, 106, 0, 0.12);
  color: #ea580c;
}

.sf-resource-pill .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.yt { background: #ff0000; }
.dot.fb { background: #1877f2; }
.dot.ig { background: #e1306c; }
.dot.tt { background: #00f2fe; }
.dot.tw { background: #1da1f2; }
.dot.vm { background: #1ab7ea; }
.dot.dm { background: #0066dc; }
.dot.sc { background: #ff5500; }

.sf-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 26px;
}

.sf-step-card {
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 12px;
  padding: 24px;
}

.sf-step-num {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--sf-green-light);
  color: var(--sf-green);
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.sf-step-card h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}

.sf-step-card p {
  font-size: 0.92rem;
  color: var(--sf-text-muted);
}

.sf-ss-banner {
  margin-top: 28px;
  background: var(--sf-surface);
  border: 2px dashed var(--sf-green);
  border-radius: 12px;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.sf-ss-tag {
  display: inline-block;
  background: var(--sf-green);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
}

.sf-ss-url-demo {
  background: var(--sf-surface-alt);
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 0.95rem;
  border: 1px solid var(--sf-border);
}

.ss-highlight {
  color: var(--sf-green);
  font-weight: 800;
  text-decoration: underline;
}

/* FAQ */
.sf-faq-list {
  max-width: 760px;
  margin: 24px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sf-faq-item {
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 10px;
  padding: 16px 20px;
}

.sf-faq-item summary {
  font-weight: 700;
  cursor: pointer;
}

.sf-faq-item p {
  margin-top: 10px;
  color: var(--sf-text-muted);
  font-size: 0.93rem;
}

/* Footer */
.sf-footer {
  background: var(--sf-surface);
  border-top: 1px solid var(--sf-border);
  padding: 32px 0;
}

.sf-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.sf-footer-brand p {
  font-size: 0.86rem;
  color: var(--sf-text-muted);
  margin-top: 4px;
}

.sf-footer-links {
  display: flex;
  gap: 18px;
}

.sf-footer-links a {
  color: var(--sf-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

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

@media (max-width: 720px) {
  .sf-search-box {
    flex-direction: column;
  }
  .sf-submit-btn {
    width: 100%;
    justify-content: center;
    min-height: 50px;
  }
  .sf-result-grid {
    grid-template-columns: 1fr;
  }
}


/* Pinterest Mode & Feature Styles */
.sf-nav-pinterest {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.sf-nav-pinterest svg {
  color: #e60023;
}

.sf-platform-switcher {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.sf-plat-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--sf-surface);
  border: 1.5px solid var(--sf-border);
  color: var(--sf-text);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.sf-plat-btn:hover {
  border-color: var(--sf-green);
}

.sf-plat-btn.active {
  border-color: var(--sf-green);
  background: var(--sf-green-light);
  color: var(--sf-green);
}

.sf-plat-pinterest.active {
  border-color: #e60023;
  background: rgba(230, 0, 35, 0.1);
  color: #e60023;
}

.sf-chip-pin {
  border-color: rgba(230, 0, 35, 0.35);
  color: #e60023;
  font-weight: 600;
}

.sf-chip-pin:hover {
  background: rgba(230, 0, 35, 0.08);
  border-color: #e60023;
  color: #e60023;
}

.dot.pin {
  background: #e60023;
}

.sf-resource-pill {
  cursor: pointer;
  color: var(--sf-text);
  font-family: inherit;
  transition: all 0.15s ease;
}

.sf-resource-pill:hover {
  border-color: var(--sf-green);
  transform: translateY(-1px);
}

.sf-resource-pin:hover {
  border-color: #e60023;
  color: #e60023;
}

.sf-pinterest-section {
  padding: 46px 0;
  border-top: 1px solid var(--sf-border);
}

.sf-pin-banner {
  background: var(--sf-surface);
  border: 1.5px solid rgba(230, 0, 35, 0.28);
  border-radius: 16px;
  padding: 34px 28px;
  box-shadow: var(--sf-shadow);
}

.sf-pin-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 28px;
}

.sf-pin-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(230, 0, 35, 0.12);
  color: #e60023;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.sf-pin-header h2 {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.sf-pin-header p {
  color: var(--sf-text-muted);
  font-size: 0.98rem;
}

.sf-pin-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.sf-pin-feature-card {
  background: var(--sf-surface-alt);
  border: 1px solid var(--sf-border);
  border-radius: 12px;
  padding: 20px;
}

.sf-pin-icon {
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.sf-pin-feature-card h3 {
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.sf-pin-feature-card p {
  font-size: 0.88rem;
  color: var(--sf-text-muted);
}

.sf-pin-feature-card code {
  background: var(--sf-surface);
  padding: 1px 5px;
  border-radius: 4px;
  color: #e60023;
  font-weight: 600;
}

.sf-pin-cta {
  text-align: center;
  margin-top: 24px;
}

.sf-pin-action-btn {
  border: none;
  background: #e60023;
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
  box-shadow: 0 4px 14px rgba(230, 0, 35, 0.28);
}

.sf-pin-action-btn:hover {
  background: #c8001e;
  transform: translateY(-1px);
}

.pin-highlight {
  color: #e60023;
  font-weight: 800;
  text-decoration: underline;
}

.sf-embed-wrap video,
.sf-embed-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}


/* Pinterest Active Theme Mode */
body.pinterest-mode .sf-search-box {
  border-color: #e60023;
  box-shadow: 0 8px 26px rgba(230, 0, 35, 0.16);
}

body.pinterest-mode .sf-submit-btn {
  background: #e60023;
}

body.pinterest-mode .sf-submit-btn:hover {
  background: #c8001e;
}

body.pinterest-mode .sf-nav-pinterest.active {
  color: #e60023;
  background: rgba(230, 0, 35, 0.1);
}


/* Amazon & Alibaba Navigation, Switcher & Theme Styles */
.sf-nav-amazon svg {
  color: #ff9900;
}

.sf-nav-alibaba svg {
  color: #ff6a00;
}

.sf-plat-amazon.active {
  border-color: #ff9900;
  background: rgba(255, 153, 0, 0.12);
  color: #d97706;
}

body.dark-mode .sf-plat-amazon.active {
  color: #ff9900;
}

.sf-plat-alibaba.active {
  border-color: #ff6a00;
  background: rgba(255, 106, 0, 0.12);
  color: #ea580c;
}

body.dark-mode .sf-plat-alibaba.active {
  color: #ff6a00;
}

.sf-chip-amz {
  border-color: rgba(255, 153, 0, 0.45);
  color: #d97706;
  font-weight: 600;
}

body.dark-mode .sf-chip-amz {
  color: #ff9900;
}

.sf-chip-amz:hover {
  background: rgba(255, 153, 0, 0.1);
  border-color: #ff9900;
  color: #d97706;
}

.sf-chip-ali {
  border-color: rgba(255, 106, 0, 0.45);
  color: #ea580c;
  font-weight: 600;
}

body.dark-mode .sf-chip-ali {
  color: #ff6a00;
}

.sf-chip-ali:hover {
  background: rgba(255, 106, 0, 0.1);
  border-color: #ff6a00;
  color: #ea580c;
}

.dot.amz {
  background: #ff9900;
}

.dot.ali {
  background: #ff6a00;
}

.sf-resource-amz:hover,
.sf-resource-amz.active {
  border-color: #ff9900;
  color: #d97706;
}

.sf-resource-ali:hover,
.sf-resource-ali.active {
  border-color: #ff6a00;
  color: #ea580c;
}

/* Amazon Banner & Active Mode */
.sf-amz-banner {
  border-color: rgba(255, 153, 0, 0.38);
}

.sf-amz-badge {
  background: rgba(255, 153, 0, 0.15);
  color: #d97706;
}

body.dark-mode .sf-amz-badge {
  color: #ff9900;
}

.sf-amz-action-btn {
  background: #ff9900;
  color: #111827;
  box-shadow: 0 4px 14px rgba(255, 153, 0, 0.3);
}

.sf-amz-action-btn:hover {
  background: #e68a00;
}

body.amazon-mode .sf-search-box {
  border-color: #ff9900;
  box-shadow: 0 8px 26px rgba(255, 153, 0, 0.18);
}

body.amazon-mode .sf-submit-btn {
  background: #ff9900;
  color: #111827;
}

body.amazon-mode .sf-submit-btn:hover {
  background: #e68a00;
}

body.amazon-mode .sf-nav-amazon.active {
  color: #d97706;
  background: rgba(255, 153, 0, 0.14);
}

/* Alibaba Banner & Active Mode */
.sf-ali-banner {
  border-color: rgba(255, 106, 0, 0.38);
}

.sf-ali-badge {
  background: rgba(255, 106, 0, 0.15);
  color: #ea580c;
}

body.dark-mode .sf-ali-badge {
  color: #ff6a00;
}

.sf-ali-action-btn {
  background: #ff6a00;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(255, 106, 0, 0.3);
}

.sf-ali-action-btn:hover {
  background: #e05d00;
}

body.alibaba-mode .sf-search-box {
  border-color: #ff6a00;
  box-shadow: 0 8px 26px rgba(255, 106, 0, 0.18);
}

body.alibaba-mode .sf-submit-btn {
  background: #ff6a00;
  color: #ffffff;
}

body.alibaba-mode .sf-submit-btn:hover {
  background: #e05d00;
}

body.alibaba-mode .sf-nav-alibaba.active {
  color: #ea580c;
  background: rgba(255, 106, 0, 0.14);
}


/* Facebook, Instagram, TikTok & Twitter Brand Colors & Modes */
.sf-resource-fb:hover,
.sf-resource-fb.active,
.sf-nav-facebook:hover,
.sf-nav-facebook.active {
  border-color: #1877f2;
  color: #1877f2;
  background: rgba(24, 119, 242, 0.1);
}

.sf-resource-ig:hover,
.sf-resource-ig.active,
.sf-nav-instagram:hover,
.sf-nav-instagram.active {
  border-color: #e1306c;
  color: #e1306c;
  background: rgba(225, 48, 108, 0.1);
}

.sf-resource-tt:hover,
.sf-resource-tt.active,
.sf-nav-tiktok:hover,
.sf-nav-tiktok.active {
  border-color: #fe2c55;
  color: #fe2c55;
  background: rgba(254, 44, 85, 0.1);
}

.sf-resource-tw:hover,
.sf-resource-tw.active {
  border-color: #1da1f2;
  color: #1da1f2;
  background: rgba(29, 161, 242, 0.1);
}

/* Facebook Mode */
body.facebook-mode .sf-search-box {
  border-color: #1877f2;
  box-shadow: 0 8px 26px rgba(24, 119, 242, 0.18);
}
body.facebook-mode .sf-submit-btn {
  background: #1877f2;
}
body.facebook-mode .sf-submit-btn:hover {
  background: #1464d2;
}
body.facebook-mode #activeCategoryBadge {
  border-color: #1877f2;
  background: rgba(24, 119, 242, 0.12);
  color: #1877f2;
}
.sf-chip-fb {
  border-color: rgba(24, 119, 242, 0.45);
  color: #1877f2;
  font-weight: 600;
}
.sf-chip-fb:hover {
  background: rgba(24, 119, 242, 0.1);
  border-color: #1877f2;
  color: #1877f2;
}

/* Instagram Mode */
body.instagram-mode .sf-search-box {
  border-color: #e1306c;
  box-shadow: 0 8px 26px rgba(225, 48, 108, 0.18);
}
body.instagram-mode .sf-submit-btn {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}
body.instagram-mode .sf-submit-btn:hover {
  opacity: 0.92;
}
body.instagram-mode #activeCategoryBadge {
  border-color: #e1306c;
  background: rgba(225, 48, 108, 0.12);
  color: #e1306c;
}
.sf-chip-ig {
  border-color: rgba(225, 48, 108, 0.45);
  color: #e1306c;
  font-weight: 600;
}
.sf-chip-ig:hover {
  background: rgba(225, 48, 108, 0.1);
  border-color: #e1306c;
  color: #e1306c;
}

/* TikTok Mode */
body.tiktok-mode .sf-search-box {
  border-color: #fe2c55;
  box-shadow: 0 8px 26px rgba(254, 44, 85, 0.18);
}
body.tiktok-mode .sf-submit-btn {
  background: #fe2c55;
}
body.tiktok-mode .sf-submit-btn:hover {
  background: #e02046;
}
body.tiktok-mode #activeCategoryBadge {
  border-color: #fe2c55;
  background: rgba(254, 44, 85, 0.12);
  color: #fe2c55;
}
.sf-chip-tt {
  border-color: rgba(254, 44, 85, 0.45);
  color: #fe2c55;
  font-weight: 600;
}
.sf-chip-tt:hover {
  background: rgba(254, 44, 85, 0.1);
  border-color: #fe2c55;
  color: #fe2c55;
}

/* Twitter Mode */
body.twitter-mode .sf-search-box {
  border-color: #1da1f2;
  box-shadow: 0 8px 26px rgba(29, 161, 242, 0.18);
}
body.twitter-mode .sf-submit-btn {
  background: #1da1f2;
}
body.twitter-mode .sf-submit-btn:hover {
  background: #0d8ddb;
}
body.twitter-mode #activeCategoryBadge {
  border-color: #1da1f2;
  background: rgba(29, 161, 242, 0.12);
  color: #1da1f2;
}

/* Google Login Button & User Profile */
.sf-google-login-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 15px;
  border-radius: 10px;
  border: 1px solid var(--sf-border);
  background: var(--sf-surface);
  color: var(--sf-text);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: all 0.18s ease;
}

.sf-google-login-btn:hover {
  border-color: #4285f4;
  background: var(--sf-surface-alt);
  box-shadow: 0 4px 12px rgba(66, 133, 244, 0.15);
  transform: translateY(-1px);
}

.sf-user-profile {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 4px 10px 4px 6px;
  border-radius: 999px;
  border: 1px solid var(--sf-border);
  background: var(--sf-surface-alt);
  white-space: nowrap;
}

.sf-user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4285f4, #34a853);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sf-user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.sf-user-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--sf-text);
}

.sf-user-email {
  font-size: 0.7rem;
  color: var(--sf-text-muted);
}

.sf-logout-btn {
  margin-left: 4px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--sf-border);
  background: var(--sf-surface);
  color: var(--sf-text-muted);
  font-size: 0.74rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.sf-logout-btn:hover {
  border-color: #ea4335;
  color: #ea4335;
}

/* Google Sign-In Modal */
.sf-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 16px;
}

.sf-google-modal {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 18px;
  padding: 28px 26px 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.sf-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--sf-text-muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.sf-modal-close:hover {
  background: var(--sf-surface-alt);
  color: var(--sf-text);
}

.sf-google-modal-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sf-text-muted);
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--sf-border);
}

.sf-google-modal-header {
  text-align: center;
  margin-bottom: 16px;
}

.sf-google-modal-header h3 {
  margin: 4px 0 4px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--sf-text);
}

.sf-google-modal-header p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--sf-text-muted);
}

.sf-google-account-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--sf-border);
}

.sf-google-account-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 10px;
  border: none;
  border-bottom: 1px solid var(--sf-border);
  background: transparent;
  color: var(--sf-text);
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease;
}

.sf-google-account-row:hover {
  background: var(--sf-surface-alt);
}

.sf-google-account-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4285f4, #34a853);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sf-google-account-details {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  overflow: hidden;
}

.sf-google-account-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sf-text);
}

.sf-google-account-email {
  font-size: 0.78rem;
  color: var(--sf-text-muted);
}

.sf-google-another-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 10px;
  border: none;
  border-bottom: 1px solid var(--sf-border);
  background: transparent;
  color: var(--sf-text);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.sf-google-another-btn:hover {
  background: var(--sf-surface-alt);
}

.sf-another-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--sf-surface-alt);
  border: 1px solid var(--sf-border);
  color: var(--sf-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sf-google-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
}

.sf-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sf-form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sf-text);
}

.sf-form-group input {
  height: 42px;
  padding: 0 13px;
  border-radius: 10px;
  border: 1px solid var(--sf-border);
  background: var(--sf-surface-alt);
  color: var(--sf-text);
  font-family: inherit;
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.sf-form-group input:focus {
  border-color: #4285f4;
}

.sf-google-submit-btn {
  margin-top: 6px;
  height: 44px;
  border-radius: 10px;
  border: none;
  background: #4285f4;
  color: #fff;
  font-family: inherit;
  font-size: 0.94rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

.sf-google-submit-btn:hover {
  background: #3367d6;
}

/* ============================================================
   Mobile-Friendly Responsive Layout (Phones & Tablets)
   ============================================================ */
html,
body {
  overflow-x: hidden;
  max-width: 100vw;
}

@media (max-width: 980px) {
  .sf-header-inner {
    padding: 12px 16px 10px;
    min-height: auto;
    flex-wrap: wrap;
    gap: 10px;
  }

  .sf-logo {
    font-size: 1.2rem;
  }

  .sf-logo-icon {
    width: 34px;
    height: 34px;
  }

  .sf-header-actions {
    margin-left: auto;
    order: 2;
    gap: 8px;
  }

  .sf-nav {
    order: 3;
    flex: 0 0 100%;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 4px 2px 6px;
    gap: 6px;
    border-top: 1px solid var(--sf-border);
  }

  .sf-nav::-webkit-scrollbar {
    display: none;
  }

  .sf-nav-link {
    font-size: 0.84rem;
    padding: 7px 11px;
    flex-shrink: 0;
  }

  .sf-resources-grid {
    flex-wrap: wrap;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .sf-container {
    padding: 0 14px;
  }

  .sf-google-login-btn {
    height: 36px;
    padding: 0 11px;
    font-size: 0.8rem;
    gap: 6px;
  }

  .sf-theme-btn {
    width: 36px;
    height: 36px;
  }

  .sf-user-email {
    display: none;
  }

  .sf-user-profile {
    padding: 3px 8px 3px 5px;
    gap: 6px;
  }

  .sf-hero {
    padding: 26px 0 24px;
  }

  .sf-hero-head {
    margin-bottom: 18px;
  }

  .sf-plat-btn {
    font-size: 0.82rem;
    padding: 6px 13px;
  }

  #heroTitle {
    font-size: 1.6rem !important;
    line-height: 1.22;
  }

  .sf-hero-sub {
    font-size: 0.9rem !important;
    padding: 0 4px;
  }

  .sf-search-box {
    flex-direction: column;
    padding: 8px;
    gap: 8px;
    border-radius: 14px;
  }

  .sf-input-wrapper {
    width: 100%;
    padding: 4px 6px 4px 10px;
  }

  .sf-input {
    font-size: 16px !important; /* Prevents iOS auto-zoom on focus */
    min-height: 42px;
  }

  .sf-paste-btn span {
    display: none;
  }

  .sf-paste-btn {
    padding: 7px 9px;
  }

  .sf-submit-btn {
    width: 100%;
    min-height: 48px;
    justify-content: center;
    border-radius: 10px;
    font-size: 1rem;
  }

  .sf-helper-row {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 12px;
  }

  .sf-sample-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .sf-result-card {
    padding: 16px;
    border-radius: 14px;
  }

  .sf-result-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .sf-video-title {
    font-size: 1.05rem;
  }

  .sf-action-area {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .sf-dl-main-btn,
  .sf-format-dropdown,
  .sf-format-trigger {
    width: 100%;
    justify-content: center;
  }

  .sf-format-menu {
    left: 0;
    right: 0;
    width: 100%;
    max-height: 290px;
  }

  .sf-pin-banner {
    padding: 22px 16px;
  }

  .sf-pin-header h2 {
    font-size: 1.3rem;
  }

  .sf-pin-action-btn {
    width: 100%;
    font-size: 0.86rem;
    padding: 12px 14px;
  }

  .sf-section-title {
    font-size: 1.35rem;
  }

  .sf-steps-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .sf-footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 14px;
  }

  .sf-footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .sf-google-modal {
    padding: 22px 18px 20px;
  }
}