@import url("/assets/tokens.css");

/* YouTube Downloader - professional workspace.
   The shared downloader and result markup is injected by tool-page.js. These
   page-scoped styles refine that real component without changing its API,
   format controls, preview or download behaviour. */

.youtube-page {
  --yt-panel: var(--surface);
  --yt-soft: var(--color-ice);
  --yt-ink: var(--color-navy);
  --yt-muted: var(--color-text-muted);
  --yt-line: var(--color-border);
  --yt-blue: var(--color-blue);
  --yt-blue-strong: var(--color-blue-strong);
  --yt-blue-soft: var(--color-blue-soft);
}
.site-header {
  --yt-blue: var(--color-blue);
  --yt-blue-strong: var(--color-blue-strong);
  --yt-blue-soft: var(--color-blue-soft);
}

/* Compact mobile header. The desktop header remains the shared navigation. */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-inline-start: auto;
}
.menu-toggle {
  display: none;
  flex: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.menu-toggle:hover,
.menu-toggle[aria-expanded="true"] {
  border-color: var(--yt-blue);
  background: var(--yt-blue-soft);
  color: var(--yt-blue-strong);
}
.menu-toggle-lines {
  position: relative;
  display: block;
  width: 18px;
  height: 14px;
}
.menu-toggle-lines span {
  position: absolute;
  inset-inline: 0;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.18s ease, opacity 0.18s ease;
}
.menu-toggle-lines span:nth-child(1) { inset-block-start: 0; }
.menu-toggle-lines span:nth-child(2) { inset-block-start: 6px; }
.menu-toggle-lines span:nth-child(3) { inset-block-start: 12px; }
.menu-toggle[aria-expanded="true"] .menu-toggle-lines span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-lines span:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-toggle-lines span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 700px) {
  .site-header .header-inner {
    min-height: 68px;
    flex-wrap: nowrap;
    padding-block: 0.4rem;
    gap: 0.6rem;
  }
  .site-header .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
  }
  .site-header .brand-monogram { font-size: 0.98rem; }
  .site-header .brand-name { font-size: 1.02rem; }
  .site-header .header-actions {
    margin-inline-start: auto;
    width: auto;
  }
  .site-header .site-nav {
    position: absolute;
    inset-block-start: 100%;
    inset-inline: 0;
    z-index: 1;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    width: auto;
    margin: 0;
    padding: 0.65rem clamp(0.75rem, 4vw, 1.25rem) 0.85rem;
    max-height: calc(100dvh - 68px);
    overflow-y: auto;
    overscroll-behavior: contain;
    border-block-end: 1px solid var(--line);
    background: var(--surface);
    box-shadow: 0 18px 35px rgba(23, 43, 58, 0.14);
  }
  .site-header .site-nav.is-open { display: flex; }
  .site-header .site-nav a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0.7rem 0.85rem;
    border-radius: 10px;
    font-size: 0.95rem;
  }
  .site-header .site-nav a:hover,
  .site-header .site-nav a:focus-visible {
    background: var(--yt-blue-soft);
    color: var(--yt-blue-strong);
  }
  .site-header .menu-toggle { display: inline-flex; }
}

/* Keep the logo, Download action and menu inside the viewport at very narrow widths. */
@media (max-width: 300px) {
  .shell { width: min(100% - 1rem, 1040px); }
  .site-header .header-inner { gap: 0.25rem; }
  .site-header .brand { gap: 0.35rem; }
  .site-header .brand-mark { width: 30px; height: 30px; border-radius: 8px; }
  .site-header .brand-monogram { font-size: 0.9rem; }
  .site-header .brand-name { font-size: 0.84rem; letter-spacing: -0.04em; }
  .site-header .header-actions { gap: 0.25rem; }
  .site-header .header-download { min-height: 42px; padding: 0.35rem; font-size: 0.75rem; }
}

/* Compact, useful hero. No oversized artwork. */
.yt-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(255px, 0.65fr);
  gap: clamp(1.25rem, 3.5vw, 2.75rem);
  align-items: stretch;
  overflow: hidden;
  padding: clamp(1.2rem, 3.4vw, 2.5rem);
  border: 1px solid var(--yt-line);
  border-radius: clamp(20px, 2.6vw, 26px);
  background:
    radial-gradient(circle at 0% 0%, rgba(53, 99, 233, 0.09), transparent 24rem),
    linear-gradient(135deg, #ffffff 0%, #f8fafc 58%, #eef3ff 100%);
  box-shadow: var(--shadow-sm);
}
.yt-hero::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--yt-blue), rgba(53, 99, 233, 0.16));
}
.yt-hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.yt-hero h1 {
  max-width: 15ch;
  margin: 0;
  color: var(--yt-ink);
  font-size: clamp(2.35rem, 5.1vw, 4.05rem);
  line-height: 1.01;
  letter-spacing: -0.062em;
}
.yt-hero-lead {
  max-width: 54ch;
  margin: clamp(0.9rem, 1.8vw, 1.2rem) 0 0;
  color: var(--yt-ink);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.65;
}
.yt-hero-lead-short { display: none; }
.yt-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
}
.yt-hero-points li {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.28rem 0.65rem;
  border: 1px solid rgba(53, 99, 233, 0.18);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.78);
  color: var(--yt-blue-strong);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  line-height: 1.35;
  text-transform: uppercase;
}
.yt-hero-points li::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: none;
  margin-inline-end: 0.42rem;
  border-radius: 50%;
  background: var(--yt-blue);
}
.yt-hero-panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  padding: clamp(1.1rem, 2.2vw, 1.5rem);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background:
    radial-gradient(circle at 100% 0%, rgba(53, 99, 233, 0.38), transparent 15rem),
    var(--yt-ink);
  color: #fff;
  box-shadow: 0 16px 30px rgba(23, 43, 58, 0.17);
}
.yt-hero-panel-kicker {
  margin: 0;
  color: #c9d6e8;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}
.yt-stat-list {
  display: grid;
  gap: 0.65rem;
  margin: 1.1rem 0;
  padding: 0;
}
.yt-stat {
  display: grid;
  grid-template-columns: minmax(98px, 0.58fr) minmax(0, 1fr);
  gap: 0.7rem;
  align-items: baseline;
  padding-block-start: 0.65rem;
  border-block-start: 1px solid rgba(255, 255, 255, 0.13);
}
.yt-stat:first-child {
  padding-block-start: 0;
  border-block-start: 0;
}
.yt-stat dt {
  color: #fff;
  font-size: clamp(0.96rem, 1.35vw, 1.1rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.25;
  white-space: nowrap;
}
.yt-stat dd {
  margin: 0;
  color: #c9d6e8;
  font-size: 0.74rem;
  line-height: 1.45;
}
.yt-hero-panel-note {
  margin: 0;
  padding-block-start: 0.85rem;
  border-block-start: 1px solid rgba(255, 255, 255, 0.13);
  color: #c9d6e8;
  font-size: 0.7rem;
  line-height: 1.55;
}

/* Workspace */
.yt-workspace {
  margin-block-start: clamp(1rem, 2vw, 1.35rem);
}
.youtube-page .yt-workspace .tool-downloader {
  margin-block-start: 0;
}
.youtube-page .download-panel {
  padding: clamp(1.2rem, 3.2vw, 2.35rem);
  border: 1px solid var(--yt-line);
  border-radius: clamp(18px, 2.4vw, 24px);
  background: var(--yt-panel);
  box-shadow: 0 20px 50px rgba(23, 43, 58, 0.09);
}
.youtube-page .download-panel::before {
  height: 4px;
  background: linear-gradient(90deg, var(--yt-blue), rgba(53, 99, 233, 0.18));
}
.youtube-page .panel-heading {
  gap: 0.45rem 1rem;
  margin-block-end: clamp(1rem, 2vw, 1.4rem);
}
.youtube-page .panel-heading h2 {
  color: var(--yt-ink);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  letter-spacing: -0.045em;
}
.youtube-page .panel-note {
  border-color: rgba(53, 99, 233, 0.18);
  background: var(--yt-blue-soft);
  color: var(--yt-blue-strong);
  font-size: 0.6rem;
}
.youtube-page .field-label {
  color: var(--yt-ink);
  font-size: 0.82rem;
  letter-spacing: -0.01em;
}
.youtube-page .input-row {
  grid-template-columns: minmax(0, 1fr) minmax(220px, auto);
  gap: 0.7rem;
}
.youtube-page .url-input {
  min-height: 66px;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: #fff;
  color: var(--yt-ink);
  font-size: 1rem;
  box-shadow: inset 0 1px 2px rgba(23, 43, 58, 0.025);
}
.youtube-page .url-input::placeholder { color: var(--color-blue-grey); }
.youtube-page .url-input:focus {
  border-color: var(--yt-blue);
  box-shadow: 0 0 0 4px rgba(53, 99, 233, 0.13);
}
.youtube-page .url-input:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}
.youtube-page .input-row .btn-primary {
  min-width: 235px;
  min-height: 66px;
  padding-inline: 1.35rem;
  border-color: var(--yt-blue);
  background: var(--yt-blue);
  color: #fff;
  box-shadow: 0 12px 24px rgba(53, 99, 233, 0.22);
}
.youtube-page .input-row .btn-primary:hover {
  border-color: var(--yt-blue-strong);
  background: var(--yt-blue-strong);
  box-shadow: 0 14px 28px rgba(53, 99, 233, 0.27);
}
.youtube-page .input-row .btn-primary:disabled {
  border-color: var(--line);
  background: var(--surface-soft);
  color: var(--muted);
  box-shadow: none;
}
.youtube-page .field-hint {
  max-width: 70ch;
  margin-block-start: 0.6rem;
  color: var(--yt-muted);
  font-size: 0.78rem;
}
.youtube-page .tool-platform-note {
  margin-block-start: 1.15rem;
  padding-block-start: 0.95rem;
  border-block-start-color: var(--yt-line);
  color: var(--yt-muted);
  font-size: 0.75rem;
}
.youtube-page .download-panel > .status:empty {
  display: none;
}
.youtube-page .status {
  margin-block-start: 0.85rem;
  font-size: 0.73rem;
}
.youtube-page .status:not(:empty) {
  padding: 0.65rem 0.75rem;
  background: var(--yt-soft);
}
.youtube-page .status.ok:not(:empty) {
  background: var(--yt-blue-soft);
  color: var(--yt-blue-strong);
}
.youtube-page .status.error:not(:empty) {
  background: #fdf0ee;
  color: var(--error);
}
.youtube-page .legal-note {
  margin-block-start: 1rem;
  color: var(--yt-muted);
  font-size: 0.72rem;
}
.youtube-page .noscript {
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(180, 35, 24, 0.22);
  border-radius: 12px;
  background: #fdf5f3;
  color: #743e36;
  font-size: 0.86rem;
  line-height: 1.55;
}

/* Result workspace: same DOM and behaviour, stronger presentation. */
.youtube-page .result-section {
  margin-block-start: clamp(1rem, 2.2vw, 1.5rem);
  scroll-margin-block-start: 7rem;
}
.youtube-page .result-card {
  border: 1px solid var(--yt-line);
  border-radius: clamp(18px, 2.4vw, 24px);
  box-shadow: 0 20px 48px rgba(23, 43, 58, 0.09);
}
.youtube-page .result-head {
  grid-template-columns: 188px minmax(0, 1fr) auto;
  gap: 1.15rem;
  padding: clamp(1rem, 2.3vw, 1.5rem);
  border-block-end-color: var(--yt-line);
  background:
    linear-gradient(135deg, #ffffff 0%, #f8fafc 58%, #edf2ff 100%);
}
.youtube-page .result-media {
  border-color: var(--yt-line);
  border-radius: 12px;
  background: var(--yt-soft);
}
.youtube-page .thumb-fallback {
  gap: 0.55rem;
  padding: 1rem;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 50% 42%, rgba(53, 99, 233, 0.34), transparent 58%),
    var(--yt-ink);
  background-size: 22px 22px, 22px 22px, auto, auto;
  color: #c9d6e8;
  font-size: 0.56rem;
  letter-spacing: 0.12em;
}
.youtube-page .thumb-fallback svg {
  width: clamp(19px, 3vw, 25px);
  height: clamp(19px, 3vw, 25px);
  padding: clamp(8px, 1.4vw, 10px);
  box-sizing: content-box;
  border-radius: 50%;
  background: var(--yt-blue);
  color: #fff;
  box-shadow: 0 8px 20px rgba(53, 99, 233, 0.35);
}
.youtube-page .thumb-fallback span {
  color: #c9d6e8;
}
.youtube-page .result-copy .eyebrow {
  margin-block-end: 0.28rem;
  color: var(--yt-blue-strong);
  font-size: 0.61rem;
}
.youtube-page .result-title {
  color: var(--yt-ink);
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  line-height: 1.2;
}
.youtube-page .result-meta {
  color: var(--yt-muted);
  font-size: 0.8rem;
}
.youtube-page .result-actions .btn-secondary {
  min-height: 46px;
  border-color: rgba(53, 99, 233, 0.28);
  color: var(--yt-blue-strong);
}
.youtube-page .result-actions .btn-secondary:hover {
  border-color: var(--yt-blue);
  background: var(--yt-blue-soft);
  color: var(--yt-blue-strong);
}
.youtube-page .preview-shell {
  margin: 0 clamp(1rem, 2.3vw, 1.5rem) 1rem;
  border-color: var(--yt-line);
  background: var(--yt-soft);
}
.youtube-page .format-area {
  padding: clamp(1rem, 2.4vw, 1.65rem);
}
.youtube-page .format-tabs {
  gap: 0.18rem;
  margin-block-end: 1rem;
  padding: 0.23rem;
  border-color: var(--yt-line);
  background: var(--yt-soft);
}
.youtube-page .format-tab {
  color: var(--yt-muted);
  font-size: 0.84rem;
}
.youtube-page .format-tab[aria-selected="true"] {
  background: var(--yt-blue);
  color: #fff;
  box-shadow: 0 4px 12px rgba(53, 99, 233, 0.19);
}
.youtube-page .format-tab[aria-selected="true"] .count { color: #dce6ff; }
.youtube-page .format-grid {
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: 0.6rem;
}
.youtube-page .format-card {
  min-height: 88px;
  padding: 0.85rem 0.95rem;
  border-color: var(--yt-line);
  background: #fff;
}
.youtube-page .format-option:hover .format-card {
  border-color: rgba(53, 99, 233, 0.38);
  background: #fbfcff;
}
.youtube-page .format-input:checked + .format-card {
  border-color: var(--yt-blue);
  background: var(--yt-blue-soft);
  box-shadow: inset 0 0 0 1px var(--yt-blue);
}
.youtube-page .format-title {
  color: var(--yt-ink);
  font-size: 0.94rem;
}
.youtube-page .format-meta {
  color: var(--yt-muted);
  font-size: 0.65rem;
}
.youtube-page .format-badge {
  border-color: rgba(180, 35, 24, 0.16);
  background: #fdf0ee;
  color: var(--error);
}
.youtube-page .format-note {
  border-color: var(--yt-line);
  background: var(--yt-soft);
  color: var(--yt-muted);
}
.youtube-page .download-zone {
  margin-block-start: 1rem;
  padding: 1rem;
  border: 1px solid var(--yt-line);
  border-radius: 14px;
  background: var(--yt-soft);
}
.youtube-page .progress-wrap {
  border-color: var(--yt-line);
  background: #fff;
}
.youtube-page .progress-bar { background: rgba(53, 99, 233, 0.14); }
.youtube-page .progress-fill { background: linear-gradient(90deg, var(--yt-blue), #5b82f0); }
.youtube-page .download-status { margin-block-start: 0.55rem; }
.youtube-page .save-link { color: var(--yt-blue-strong); }
.youtube-page .btn-download {
  min-height: 58px;
  border-color: var(--yt-blue);
  background: var(--yt-blue);
  color: #fff;
  box-shadow: 0 12px 24px rgba(53, 99, 233, 0.18);
}
.youtube-page .btn-download:hover {
  border-color: var(--yt-blue-strong);
  background: var(--yt-blue-strong);
}

/* Trust summary */
.yt-trust {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(1.2rem, 3vw, 2.7rem);
  margin-block-start: clamp(1.5rem, 3vw, 2.2rem);
  padding: clamp(1.2rem, 2.8vw, 1.8rem);
  border: 1px solid var(--yt-line);
  border-radius: clamp(18px, 2.4vw, 22px);
  background: rgba(255, 255, 255, 0.72);
}
.yt-trust-heading h2 {
  margin: 0;
  color: var(--yt-ink);
  font-size: clamp(1.3rem, 2.3vw, 1.72rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}
.yt-trust-heading > p:not(.tool-eyebrow) {
  margin: 0.7rem 0 0;
  color: var(--yt-muted);
  font-size: 0.82rem;
  line-height: 1.6;
}
.yt-trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.yt-trust-card {
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--yt-line);
  border-radius: 12px;
  background: #fff;
}
.yt-trust-card h3 {
  margin: 0;
  color: var(--yt-ink);
  font-size: 0.88rem;
  line-height: 1.3;
}
.yt-trust-card p {
  margin: 0.4rem 0 0;
  color: var(--yt-muted);
  font-size: 0.76rem;
  line-height: 1.55;
}

/* Editorial content */
.youtube-page .yt-section {
  gap: clamp(1.1rem, 3vw, 2.8rem);
  margin-block-start: clamp(2rem, 4.5vw, 3.2rem);
  padding-block-start: clamp(1.4rem, 2.8vw, 2rem);
  border-block-start-color: var(--yt-line);
}
.youtube-page .yt-section .tool-section-heading h2 {
  color: var(--yt-ink);
  font-size: clamp(1.35rem, 2.6vw, 1.95rem);
  letter-spacing: -0.045em;
}
.youtube-page .yt-section .tool-section-heading > p:not(.eyebrow) {
  color: var(--yt-muted);
  font-size: 0.82rem;
}

/* Mobile-only disclosures for the long reference sections. Desktop keeps the
   authored layout open and its summaries are hidden. */
.yt-mobile-disclosure {
  margin: 0;
  border: 0;
}
.yt-mobile-disclosure > summary { display: none; }
.yt-limit-group-label,
.yt-problem-group-label { display: none; }
.youtube-page .yt-section .tool-step {
  padding: 1rem;
  border-color: var(--yt-line);
  border-radius: 14px;
  background: #fff;
}
.youtube-page .yt-section .tool-step-number {
  color: var(--yt-blue);
  font-size: 0.66rem;
}
.youtube-page .yt-section .tool-step h3 {
  color: var(--yt-ink);
  font-size: 0.96rem;
}
.youtube-page .yt-section .tool-step p {
  color: var(--yt-muted);
  font-size: 0.79rem;
}
.youtube-page .yt-format-grid {
  gap: 0.7rem;
}
.youtube-page .yt-format-grid .tool-format-card {
  padding: 1rem;
  border-color: var(--yt-line);
  border-radius: 14px;
  background: #fff;
}
.youtube-page .yt-format-kicker {
  margin: 0 0 0.55rem;
  color: var(--yt-blue-strong);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}
.youtube-page .yt-format-grid .tool-format-card h3 {
  color: var(--yt-ink);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.youtube-page .yt-format-grid .tool-format-card p:not(.yt-format-kicker) {
  color: var(--yt-muted);
  font-size: 0.8rem;
}
.youtube-page .yt-limits {
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 0.6rem;
}
.youtube-page .yt-limits li {
  padding: 0.78rem 0.85rem 0.78rem 2rem;
  border-color: var(--yt-line);
  border-radius: 12px;
  background: #fff;
  color: var(--yt-muted);
  font-size: 0.8rem;
}
.youtube-page .yt-limits li::before {
  color: var(--yt-blue);
}
.youtube-page .yt-limits a {
  color: var(--yt-blue-strong);
  font-weight: 650;
}
.yt-problem-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}
.yt-problem-card {
  padding: 1rem;
  border: 1px solid var(--yt-line);
  border-radius: 14px;
  background: #fff;
}
.yt-problem-index {
  display: block;
  color: var(--yt-blue);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.4;
}
.yt-problem-card h3 {
  margin: 0.55rem 0 0;
  color: var(--yt-ink);
  font-size: 0.94rem;
  line-height: 1.3;
}
.yt-problem-card p {
  margin: 0.42rem 0 0;
  color: var(--yt-muted);
  font-size: 0.79rem;
  line-height: 1.58;
}
.youtube-page .tool-faq {
  border-color: var(--yt-line);
  background: #fff;
}
.youtube-page .tool-faq summary {
  color: var(--yt-ink);
  font-size: 0.88rem;
}
.youtube-page .tool-faq summary::after {
  color: var(--yt-blue);
}
.youtube-page .tool-faq-answer p {
  color: var(--yt-muted);
  font-size: 0.81rem;
}
.youtube-page .yt-related .tool-related-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}
.youtube-page .yt-related .tool-related-card {
  padding: 1rem;
  border-color: var(--yt-line);
  border-radius: 14px;
  background: #fff;
}
.youtube-page .yt-related .tool-related-card:hover {
  border-color: rgba(53, 99, 233, 0.38);
  box-shadow: 0 12px 26px rgba(23, 43, 58, 0.08);
}
.youtube-page .yt-related .tool-related-kicker {
  color: var(--yt-muted);
}
.youtube-page .yt-related .tool-related-card h3 {
  color: var(--yt-ink);
  font-size: 0.94rem;
}
.youtube-page .yt-related .tool-related-card p {
  color: var(--yt-muted);
  font-size: 0.78rem;
}
.youtube-page .yt-related .tool-related-arrow {
  color: var(--yt-blue-strong);
}

@media (max-width: 980px) {
  .yt-hero {
    grid-template-columns: minmax(0, 1fr) minmax(235px, 0.6fr);
  }
  .yt-trust {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .yt-hero {
    grid-template-columns: 1fr;
  }
  .yt-hero-panel {
    display: none;
  }
  .yt-hero h1 {
    max-width: 18ch;
  }
}

@media (max-width: 720px) {
  .yt-hero {
    padding: 1.15rem;
    border-radius: 18px;
  }
  .youtube-page .result-section {
    scroll-margin-block-start: 7.5rem;
  }
  .yt-mobile-disclosure > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    min-height: 52px;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--yt-line);
    border-radius: 14px;
    background: #fff;
    color: var(--yt-ink);
    cursor: pointer;
    list-style: none;
  }
  .yt-mobile-disclosure > summary::-webkit-details-marker { display: none; }
  .yt-mobile-disclosure > summary::after {
    content: "+";
    flex: none;
    color: var(--yt-blue);
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 750;
    line-height: 1;
  }
  .yt-mobile-disclosure[open] > summary::after { content: "-"; }
  .yt-disclosure-copy {
    display: grid;
    gap: 0.12rem;
    min-width: 0;
  }
  .yt-disclosure-copy strong {
    font-size: 0.9rem;
    line-height: 1.3;
  }
  .yt-disclosure-copy small {
    color: var(--yt-muted);
    font-size: 0.73rem;
    line-height: 1.45;
  }
  .yt-disclosure-body {
    margin-block-start: 0.55rem;
  }
  .youtube-page .yt-limits {
    grid-template-columns: 1fr;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--yt-line);
    border-radius: 14px;
    background: #fff;
  }
  .youtube-page .yt-limits li {
    padding: 0.68rem 0.78rem 0.68rem 1.8rem;
    border: 0;
    border-block-end: 1px solid var(--yt-line);
    border-radius: 0;
    background: transparent;
    font-size: 0.78rem;
  }
  .youtube-page .yt-limits li:last-child { border-block-end: 0; }
  .youtube-page .yt-limits .yt-limit-group-label {
    display: block;
    padding: 0.55rem 0.78rem 0.32rem;
    border-block-end: 0;
    background: var(--yt-soft);
    color: var(--yt-blue-strong);
    font-family: var(--font-mono);
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    line-height: 1.4;
    text-transform: uppercase;
  }
  .youtube-page .yt-limits .yt-limit-group-label::before { display: none; }
  .yt-problem-grid {
    grid-template-columns: 1fr;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--yt-line);
    border-radius: 14px;
    background: #fff;
  }
  .yt-problem-group-label {
    display: block;
    margin: 0;
    padding: 0.55rem 0.8rem 0.32rem;
    background: var(--yt-soft);
    color: var(--yt-blue-strong);
    font-family: var(--font-mono);
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    line-height: 1.4;
    text-transform: uppercase;
  }
  .yt-problem-card {
    padding: 0.8rem;
    border: 0;
    border-block-end: 1px solid var(--yt-line);
    border-radius: 0;
    background: transparent;
  }
  .yt-problem-card:last-child { border-block-end: 0; }
  .yt-hero h1 {
    font-size: clamp(2.15rem, 9vw, 2.8rem);
  }
  .yt-hero-lead {
    font-size: 0.96rem;
    line-height: 1.6;
  }
  .yt-hero-points {
    margin-block-start: 0.9rem;
  }
  .yt-hero-points li {
    min-height: 31px;
    font-size: 0.58rem;
  }
  .youtube-page .download-panel {
    padding: 1.1rem;
    border-radius: 18px;
  }
  .youtube-page .input-row {
    grid-template-columns: 1fr;
  }
  .youtube-page .input-row .btn-primary {
    width: 100%;
    min-width: 0;
  }
  .youtube-page .result-head {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }
  .youtube-page .result-media {
    max-width: 240px;
  }
  .youtube-page .result-actions {
    display: flex;
    justify-content: flex-start;
  }
  .youtube-page .yt-related .tool-related-grid {
    grid-template-columns: 1fr;
  }
  .yt-problem-grid {
    grid-template-columns: 1fr;
  }
  .yt-trust {
    padding: 1.1rem;
    border-radius: 18px;
  }
}

@media (max-width: 430px) {
  .site-main.youtube-page {
    padding-block-start: 0.5rem;
  }
  .youtube-page .result-section {
    scroll-margin-block-start: 10rem;
  }
  .youtube-page .breadcrumbs {
    margin-block-end: 0.25rem;
    font-size: 0.72rem;
  }
  .yt-hero {
    padding: 0.75rem;
  }
  .yt-hero .tool-eyebrow {
    display: none;
  }
  .yt-hero h1 {
    font-size: 1.9rem;
    letter-spacing: -0.05em;
  }
  .yt-hero-lead {
    margin-block-start: 0.4rem;
    font-size: 0.9rem;
    line-height: 1.55;
  }
  .yt-hero-lead-full { display: none; }
  .yt-hero-lead-short { display: inline; }
  .yt-hero-points {
    display: none;
  }
  .yt-workspace {
    margin-block-start: 0.75rem;
  }
  .youtube-page .download-panel {
    padding: 0.9rem;
  }
  .youtube-page .panel-heading {
    margin-block-end: 0.6rem;
  }
  .youtube-page .panel-note {
    display: none;
  }
  .youtube-page .panel-heading h2 {
    font-size: 1.18rem;
  }
  .youtube-page .url-input {
    min-height: 54px;
    font-size: 0.92rem;
  }
  .youtube-page .input-row .btn-primary {
    min-height: 54px;
  }
  .youtube-page .result-media {
    max-width: none;
  }
  .youtube-page .format-tabs {
    display: flex;
    width: 100%;
  }
  .youtube-page .format-tab {
    flex: 1;
  }
  .youtube-page .format-grid {
    grid-template-columns: 1fr;
  }
  .youtube-page .yt-limits {
    grid-template-columns: 1fr;
  }
  .yt-trust-grid {
    grid-template-columns: 1fr;
  }
  .youtube-page .yt-section .tool-steps,
  .youtube-page .yt-format-grid,
  .youtube-page .tool-faq-list {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .youtube-page *,
  .youtube-page *::before,
  .youtube-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}