/* ==============================
   Pinterest Downloader — styles
   Mobile-first, system font stack,
   light/dark auto via prefers-color-scheme
   ============================== */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --bg-card: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e5e7eb;
  --accent: #7c3aed;       /* фиолетовый — не Pinterest-красный */
  --accent-2: #3b82f6;     /* синий градиент-пара */
  --accent-contrast: #ffffff;
  --success: #10b981;
  --danger: #ef4444;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow-md: 0 8px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 20px 50px rgba(15,23,42,.12);
  --radius: 14px;
  --radius-lg: 22px;
  --transition: .2s ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --bg-soft: #0f172a;
    --bg-card: #111a33;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --border: #1f2a44;
    --accent: #a78bfa;
    --accent-2: #60a5fa;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
    --shadow-md: 0 10px 30px rgba(0,0,0,.4);
    --shadow-lg: 0 30px 60px rgba(0,0,0,.5);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, color-mix(in oklab, var(--accent) 12%, transparent), transparent 60%),
    radial-gradient(900px 500px at 100% 10%, color-mix(in oklab, var(--accent-2) 10%, transparent), transparent 60%),
    var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #fff; padding: 8px 12px; z-index: 999;
}
.skip-link:focus { left: 8px; top: 8px; }

/* HEADER */
.site-header {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  position: sticky; top: 0; z-index: 50;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none;
}
.logo-icon { color: var(--accent); }
.logo-accent { color: var(--accent); font-weight: 600; }

.tg-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 14px; font-weight: 500; text-decoration: none;
  transition: var(--transition);
}
.tg-link:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.tg-link svg { color: #29a9eb; }

/* HERO */
.hero {
  padding: 40px 0 48px;
  text-align: center;
}
.hero-title {
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 0 0 14px;
  font-weight: 800;
}
.hero-title .accent {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-subtitle {
  color: var(--text-muted);
  font-size: clamp(15px, 2.2vw, 18px);
  max-width: 680px; margin: 0 auto 28px;
}

/* FORM — главный элемент, максимально заметный */
.dl-form {
  max-width: 780px; margin: 0 auto;
  display: grid; gap: 12px;
}
.dl-input-wrap {
  position: relative;
  display: flex; align-items: stretch;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
}
.dl-input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 20%, transparent), var(--shadow-lg);
}
.dl-input-icon {
  position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); pointer-events: none;
}
.dl-input {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 22px 16px 22px 52px;
  font-size: 16px;
  color: var(--text);
  font-family: inherit;
  outline: none;
  min-width: 0;
}
.dl-input::placeholder { color: var(--text-muted); }
.dl-paste-btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 0; border-left: 1px solid var(--border);
  background: transparent; color: var(--text-muted);
  padding: 0 18px; cursor: pointer; font-size: 14px; font-weight: 500;
  transition: color var(--transition), background var(--transition);
}
.dl-paste-btn:hover { color: var(--accent); background: color-mix(in oklab, var(--accent) 8%, transparent); }
.dl-paste-btn span { display: none; }
@media (min-width: 480px) { .dl-paste-btn span { display: inline; } }

.dl-submit {
  appearance: none; border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-contrast);
  font-size: 17px; font-weight: 600;
  padding: 18px 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  position: relative;
}
.dl-submit:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.dl-submit:active { transform: translateY(0); }
.dl-submit:disabled { opacity: .7; cursor: not-allowed; transform: none; }
.dl-submit.loading .btn-text { opacity: 0; }
.dl-submit.loading .btn-loader {
  position: absolute; top: 50%; left: 50%;
  width: 22px; height: 22px;
  margin: -11px 0 0 -11px;
  border: 3px solid rgba(255,255,255,.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
.btn-loader { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Features ribbon */
.hero-features {
  list-style: none; padding: 0; margin: 28px 0 0;
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  color: var(--text-muted); font-size: 14px;
}
.hero-features li {
  padding: 8px 14px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 999px;
}
.hero-features span { color: var(--success); font-weight: 700; margin-right: 6px; }

/* Error & Result */
.error-box {
  max-width: 780px; margin: 14px auto 0;
  padding: 14px 18px;
  background: color-mix(in oklab, var(--danger) 10%, var(--bg-card));
  border: 1px solid color-mix(in oklab, var(--danger) 40%, transparent);
  border-radius: var(--radius);
  color: var(--danger);
  font-size: 14px;
}

.result-box { max-width: 780px; margin: 22px auto 0; }
.result-card {
  display: grid; gap: 18px;
  grid-template-columns: 1fr;
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: left;
}
@media (min-width: 640px) {
  .result-card { grid-template-columns: 220px 1fr; align-items: start; }
}
.result-preview {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1/1;
  background: var(--bg-soft);
}
.result-preview img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.result-duration {
  position: absolute; right: 8px; bottom: 8px;
  background: rgba(0,0,0,.75); color: #fff;
  padding: 3px 8px; font-size: 12px; border-radius: 6px;
}
.result-title { margin: 0 0 6px; font-size: 17px; font-weight: 700; }
.result-meta { margin: 0 0 14px; color: var(--text-muted); font-size: 14px; }
.result-qualities { display: flex; flex-wrap: wrap; gap: 10px; }
.quality-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 600; text-decoration: none;
  border-radius: 12px; border: 0; cursor: pointer;
  font-size: 14px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}
.quality-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.quality-btn.secondary {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.quality-btn.secondary:hover { border-color: var(--accent); color: var(--accent); }
.quality-badge {
  font-size: 11px; padding: 2px 6px; border-radius: 4px;
  background: rgba(255,255,255,.22);
}

/* Sections */
.section { padding: 56px 0; }
.section-title {
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 800;
  text-align: center;
  margin: 0 0 32px;
  letter-spacing: -.01em;
}

/* How */
.how-steps {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .how-steps { grid-template-columns: repeat(3, 1fr); gap: 22px; } }
.how-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.how-step:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.how-step-num {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 700; font-size: 18px;
  border-radius: 12px; margin-bottom: 14px;
}
.how-step h3 { margin: 0 0 8px; font-size: 18px; }
.how-step p { margin: 0; color: var(--text-muted); font-size: 15px; }
.how-step code {
  background: var(--bg-soft);
  padding: 1px 6px; border-radius: 4px; font-size: 13px;
  border: 1px solid var(--border);
}

/* Intents */
.intent-grid {
  display: grid; gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .intent-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .intent-grid { grid-template-columns: repeat(3, 1fr); } }
.intent-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.intent-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.intent-card h2 { margin: 0 0 10px; font-size: 17px; font-weight: 700; letter-spacing: -.005em; }
.intent-card p { margin: 0; color: var(--text-muted); font-size: 15px; }
.intent-card a { color: var(--accent); text-decoration: none; border-bottom: 1px dashed currentColor; }

/* FAQ */
.faq-list {
  max-width: 820px; margin: 0 auto;
  display: grid; gap: 10px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item[open] { border-color: var(--accent); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  font-weight: 600;
  position: relative;
  padding-right: 44px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  font-size: 22px; color: var(--accent); line-height: 1;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p {
  margin: 0; padding: 0 20px 16px; color: var(--text-muted); font-size: 15px;
}
.faq-item a { color: var(--accent); }

/* TG CTA */
.tg-cta-card {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 26px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent) 12%, var(--bg-card)), color-mix(in oklab, var(--accent-2) 12%, var(--bg-card)));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
.tg-cta-card svg { color: #29a9eb; flex-shrink: 0; }
.tg-cta-card > div { flex: 1; min-width: 220px; }
.tg-cta-card h2 { margin: 0 0 4px; font-size: 22px; }
.tg-cta-card p { margin: 0; color: var(--text-muted); }
.tg-cta-btn {
  padding: 12px 22px; border-radius: 12px;
  background: #29a9eb; color: #fff; font-weight: 600; text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}
.tg-cta-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }

/* FOOTER */
.site-footer { border-top: 1px solid var(--border); padding: 36px 0; margin-top: 40px; background: var(--bg-soft); }
.footer-inner { display: grid; gap: 10px; text-align: center; color: var(--text-muted); font-size: 14px; }
.footer-disclaimer { font-size: 12px; max-width: 720px; margin: 0 auto; }
.footer-nav a { color: var(--text-muted); text-decoration: none; transition: color var(--transition); }
.footer-nav a:hover { color: var(--accent); }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* TL;DR блок для ИИ и для людей — помогает быстро понять суть */
.tldr {
  max-width: 680px;
  margin: 0 auto 24px;
  padding: 14px 20px;
  background: color-mix(in oklab, var(--accent) 6%, var(--bg-card));
  border: 1px solid color-mix(in oklab, var(--accent) 25%, var(--border));
  border-radius: var(--radius);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  text-align: left;
}
.tldr strong { color: var(--accent); margin-right: 4px; }
.tldr a { color: var(--accent); text-decoration: underline; }

/* Share block — появляется после успешного скачивания */
.share-block {
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--bg-soft);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  text-align: left;
}
.share-label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  transition: transform var(--transition), border-color var(--transition), color var(--transition);
}
.share-btn:hover { transform: translateY(-1px); border-color: var(--accent); color: var(--accent); }
.share-tg svg { color: #29a9eb; }
.share-wa svg { color: #25d366; }
.share-vk svg { color: #0077ff; }
.share-copy.copied { border-color: var(--success); color: var(--success); }
.share-copy.copied svg { color: var(--success); }

/* Tab navigation на страницах image/gif */
.tab-nav {
  display: inline-flex;
  gap: 4px;
  margin-bottom: 20px;
  padding: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.tab {
  padding: 8px 18px;
  border-radius: 10px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.tab:hover { color: var(--text); }
.tab-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}
.tab-active:hover { color: #fff; }