:root {
  color-scheme: dark;
  --bg: #08070a;
  --bg-soft: #0d0b10;
  --surface: #121015;
  --surface-2: #19161d;
  --surface-3: #24202a;
  --text: #f5f1f7;
  --muted: #aaa3b2;
  --subtle: #797382;
  --border: #302b36;
  --border-strong: #49404f;
  --accent: #b69aff;
  --accent-strong: #7e5bd2;
  --success: #58c783;
  --warning: #e5b84c;
  --danger: #f06f82;
  --focus: rgba(182, 154, 255, .32);
  --shadow: 0 18px 50px rgba(0, 0, 0, .28);
  --radius: 8px;
  --max-width: 1120px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --t-fast: 140ms;
  --t-base: 220ms;
  --t-slow: 340ms;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f7fb;
  --bg-soft: #edf1f7;
  --surface: #ffffff;
  --surface-2: #f1f4f9;
  --surface-3: #e7ebf3;
  --text: #111827;
  --muted: #5f6878;
  --subtle: #778194;
  --border: #d8deea;
  --border-strong: #c4ccdb;
  --accent: #6540b0;
  --accent-strong: #8057cb;
  --focus: rgba(101, 64, 176, .25);
  --shadow: 0 18px 45px rgba(20, 31, 55, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: radial-gradient(ellipse at 52% -28%, rgba(105, 69, 149, .17), transparent 38rem), var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  transition: background-color var(--t-base) var(--ease), color var(--t-base) var(--ease);
}

body::before { content: none; }

a { color: inherit; }
svg { display: block; }
button, input, select { font: inherit; }
button {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: .68rem .92rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  cursor: pointer;
  font-weight: 760;
  letter-spacing: 0;
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}
button:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(0,0,0,.18); }
button:active { transform: translateY(0); box-shadow: none; }
button:disabled { opacity: .48; cursor: not-allowed; transform: none; box-shadow: none; }
button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible,
summary:focus-visible,
.drop-zone:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

input, select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text);
  padding: .74rem .82rem;
  transition: border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}
input::placeholder { color: color-mix(in srgb, var(--muted) 72%, transparent); }
input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--focus);
  outline: none;
}
input.input-error {
  border-color: var(--danger);
  animation: field-shake var(--t-slow) var(--ease);
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  padding: .65rem .85rem;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(18px);
}
.site-header, .workspace-card, .content-section, .tool-link, .more-panel, .info-panel,
.stats-grid > div, .metric, .format-card, .capability-card, .diag, .policy-grid article {
  transition: background-color var(--t-base) var(--ease), border-color var(--t-base) var(--ease), color var(--t-base) var(--ease);
}
.header-inner {
  width: min(var(--max-width), calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  text-decoration: none;
  min-width: 0;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(145deg, #20283a, #101520);
  border: 1px solid var(--border-strong);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.brand-mark svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.brand-text { font-weight: 850; letter-spacing: 0; white-space: nowrap; }
.primary-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: .2rem;
  padding: .25rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
}
.primary-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 650;
  padding: .48rem .72rem;
  border-radius: 999px;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}
.primary-nav a:hover { color: var(--text); background: var(--surface-2); }
.primary-nav a[aria-current="page"] { color: var(--text); background: var(--surface-3); }
.more-menu { position: relative; }
.more-menu summary { list-style: none; cursor: pointer; color: var(--muted); padding: .48rem .72rem; border-radius: 999px; font-size: .92rem; font-weight: 650; }
.more-menu summary::-webkit-details-marker { display: none; }
.more-menu summary:hover, .more-menu[data-active="true"] summary { color: var(--text); background: var(--surface-2); }
.more-panel { position: absolute; top: calc(100% + 8px); right: 0; z-index: 12; min-width: 160px; display: grid; padding: .4rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); animation: result-enter var(--t-fast) var(--ease) both; }
.more-panel a { border-radius: 5px; }
.utility-button,
.secondary-action,
.icon-action {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
  box-shadow: none;
}
.utility-button { min-width: 76px; }
.menu-button {
  display: none;
  width: 44px;
  padding: 0;
  background: var(--surface);
  border-color: var(--border);
}
.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
  border-radius: 2px;
}

.page-shell {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 72px;
}
.page-transition { animation: page-enter 300ms var(--ease) both; view-transition-name: page-content; }
::view-transition-old(page-content), ::view-transition-new(page-content) { animation-duration: 180ms; }
.site-footer { width: min(var(--max-width), calc(100% - 32px)); margin: 0 auto; border-top: 1px solid var(--border); padding: 24px 0 32px; display: flex; justify-content: space-between; align-items: center; gap: 20px; color: var(--muted); font-size: .86rem; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: inherit; text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.footer-brand { color: var(--text) !important; font-weight: 760; }
.hero-section {
  display: grid;
  gap: 32px;
  animation: hero-enter var(--t-slow) var(--ease) both;
}
.home-hero { min-height: min(670px, calc(100svh - 72px)); display: grid; grid-template-columns: 1fr 1.05fr; align-items: center; gap: clamp(20px, 5vw, 72px); padding: 26px 0 72px; }
.home-copy { position: relative; z-index: 1; display: grid; justify-items: start; gap: 22px; animation: hero-enter 360ms var(--ease) both; }
.home-copy h1 { font-size: 4.8rem; line-height: .96; }
.home-copy h1 span { color: #c1a6ff; }
.home-copy .hero-subtitle { max-width: 490px; line-height: 1.7; }
.hero-eyebrow { color: #c4a9ff; }
.explore-button { width: fit-content; min-width: 164px; text-decoration: none; }
.explore-button span { margin-left: 14px; transition: transform var(--t-fast) var(--ease); }
.explore-button:hover span { transform: translate(2px,-2px); }
.hero-caption { display: flex; align-items: center; gap: 9px; margin: 8px 0 0; color: var(--subtle); font-size: .78rem; }
.hero-caption i { width: 3px; height: 3px; border-radius: 50%; background: var(--accent); }
.hero-art { position: relative; isolation: isolate; min-height: 440px; aspect-ratio: 1.08; overflow: hidden; display: grid; place-items: center; background: radial-gradient(ellipse at 50% 53%, rgba(99, 63, 136, .22), transparent 52%); }
.hero-art::before { content: ""; position: absolute; width: 64%; aspect-ratio: 1; border: 1px solid rgba(210,190,255,.08); border-radius: 50%; transform: rotateX(68deg) rotateZ(-25deg); }
.art-orbit { position: absolute; width: 74%; height: 38%; border: 1px solid rgba(209,187,255,.19); border-radius: 50%; transform: rotate(-31deg); }
.orbit-one { box-shadow: 0 0 24px rgba(142,98,199,.1); }
.orbit-two { width: 58%; height: 66%; transform: rotate(46deg); border-color: rgba(173,137,238,.12); }
.ribbon { position: absolute; width: 46%; height: 72%; border-radius: 48% 52% 45% 55%; transform-style: preserve-3d; filter: drop-shadow(0 20px 28px rgba(0,0,0,.4)); }
.ribbon-back { background: linear-gradient(145deg, #38274f 5%, #17131f 36%, #704e91 61%, #21192a 78%); transform: rotate(32deg) skewY(-15deg); box-shadow: inset 8px 4px 18px rgba(219,192,255,.22), inset -12px -8px 18px rgba(0,0,0,.65); animation: ribbon-drift 9s ease-in-out infinite alternate; }
.ribbon-front { width: 32%; height: 62%; border: 1px solid rgba(222,203,255,.38); background: linear-gradient(105deg, rgba(202,177,255,.62), rgba(108,74,151,.52) 22%, rgba(28,21,36,.92) 45%, rgba(162,120,211,.76) 68%, rgba(40,30,49,.95)); border-radius: 48% 45% 54% 42%; transform: rotate(-38deg) skewY(18deg) translate(14%,3%); box-shadow: inset 4px 0 14px rgba(255,255,255,.24), 18px 22px 44px rgba(0,0,0,.44); animation: ribbon-drift 8s ease-in-out infinite alternate-reverse; }
.page-hidden .ribbon { animation-play-state: paused; }
.art-core { position: absolute; width: 15%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 36% 30%, #e6d6ff, #aa81df 18%, #593c79 52%, #17121d 74%); box-shadow: 0 0 36px rgba(178,137,237,.38), inset -8px -10px 20px rgba(13,9,18,.7); }
.art-label { position: absolute; color: #a59baa; font-size: .62rem; letter-spacing: .14em; }
.label-top { top: 16%; left: 8%; }.label-bottom { bottom: 11%; right: 6%; }
.tool-section { border-top: 1px solid var(--border); padding: 34px 0 20px; }
.tool-section .section-heading { align-items: end; margin-bottom: 22px; }
.tool-section h2 { font-size: 2rem; }
.muted-note { color: var(--subtle); font-size: .84rem; }
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tool-link { min-height: 158px; display: grid; grid-template-columns: auto 1fr auto; align-items: start; gap: 14px; padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255,255,255,.025), transparent 60%), var(--surface); text-decoration: none; transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease), background-color var(--t-base) var(--ease); }
.tool-link:hover { transform: translateY(-3px); border-color: var(--border-strong); background-color: var(--surface-2); }
.tool-index { color: var(--accent); font: 700 .76rem ui-monospace, monospace; }
.tool-link strong, .tool-link small { display: block; }
.tool-link strong { margin-bottom: 8px; font-size: 1rem; }
.tool-link small { max-width: 250px; color: var(--muted); line-height: 1.55; }
.tool-link b { color: var(--accent); font-size: 1.1rem; }
.tool-primary { border-color: rgba(182,154,255,.35); background: linear-gradient(135deg, rgba(120,82,168,.14), transparent 68%), var(--surface); }
.compact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 16px; }
.compact-grid .tool-link { min-height: 100px; }
.page-intro { max-width: 720px; margin: 32px 0 34px; animation: hero-enter 340ms var(--ease) both; }
.page-intro h1 { margin: 10px 0 16px; font-size: 4rem; }
.page-intro .hero-subtitle { max-width: 620px; }
.download-workspace { max-width: 980px; margin: 0 auto; }
.label-note { color: var(--subtle); font-weight: 450; margin-left: 8px; }
.batch-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.text-action { background: transparent; border-color: transparent; color: var(--muted); box-shadow: none; }
.text-action:hover { color: var(--text); background: var(--surface-2); box-shadow: none; }
textarea { width: 100%; resize: vertical; min-height: 132px; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2); color: var(--text); font: inherit; line-height: 1.6; }
textarea:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-color: var(--accent); }
.history-tools { display: grid; grid-template-columns: minmax(200px, 1fr) 180px auto; gap: 12px; align-items: end; margin-bottom: 20px; }
.history-tools label { display: grid; gap: 6px; }
.search-field input { margin: 0; }
.provider-list { display: grid; gap: 12px; }
.provider-row { border-bottom: 1px solid var(--border); padding: 12px 0 18px; }
.provider-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.provider-head h2 { margin: 0; font-size: 1.18rem; }
.capability-list { display: grid; grid-template-columns: repeat(auto-fit,minmax(190px,1fr)); gap: 8px; margin-top: 12px; }
.capability-item { display: flex; justify-content: space-between; gap: 10px; border: 1px solid var(--border); border-radius: 5px; padding: 8px 10px; color: var(--muted); font-size: .82rem; }
.capability-item strong { color: var(--text); }
.source-note { max-width: 900px; margin: 22px 0; padding: 18px; border-left: 2px solid var(--accent); background: var(--surface); }
.source-note p { color: var(--muted); margin: 7px 0 0; }
.settings-page { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 36px; }
.settings-group { padding: 20px 0; border-bottom: 1px solid var(--border); display: grid; gap: 10px; align-content: start; }
.settings-group .eyebrow { margin-bottom: 4px; }
.settings-group > p:not(.eyebrow) { color: var(--muted); }
.settings-group select, .settings-group input { max-width: 460px; }
.settings-group button { justify-self: start; }
.prose { max-width: 840px; color: var(--muted); line-height: 1.8; }
.prose h2 { margin-top: 28px; color: var(--text); font-size: 1.2rem; }
.prose p:last-child { margin-bottom: 0; }
.hero-copy {
  max-width: 720px;
  display: grid;
  gap: 12px;
}
.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: .74rem;
  font-weight: 850;
  letter-spacing: .11em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 0;
  font-size: 5rem;
  line-height: .94;
  letter-spacing: 0;
}
h2 { margin-bottom: .45rem; font-size: 2rem; line-height: 1.12; }
h3 { margin-bottom: .35rem; font-size: 1rem; line-height: 1.2; }
.hero-subtitle {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 1.125rem;
}

.workspace-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 93%, transparent);
  box-shadow: var(--shadow);
  padding: clamp(16px, 3vw, 28px);
  display: grid;
  gap: 22px;
  animation: panel-enter var(--t-slow) var(--ease) 80ms both;
}
.workspace-status,
.section-heading,
.section-actions,
.operation-row,
.settings-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.workspace-status,
.section-heading { justify-content: space-between; }
.trust-note,
.helper-text {
  color: var(--muted);
  font-size: .9rem;
}
.helper-text { margin: 0; }

.url-form { display: grid; gap: .6rem; }
label {
  display: block;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 720;
}
.link-control {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: .55rem;
  min-height: 70px;
  padding: .55rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-2);
  transition: border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}
.link-control:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--focus);
  background: color-mix(in srgb, var(--surface-2) 82%, var(--accent) 18%);
}
.link-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--accent);
  border-radius: var(--radius);
  background: var(--surface);
}
.link-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.link-control input {
  min-height: 50px;
  border: 0;
  background: transparent;
  box-shadow: none;
  padding: .6rem .25rem;
}
.link-control input:focus { box-shadow: none; }
.primary-action {
  min-height: 50px;
  min-width: 132px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: .5rem;
}
.icon-action,
.secondary-action {
  min-height: 44px;
}
.field-message {
  min-height: 1.35rem;
  margin: 0;
  color: var(--danger);
  font-weight: 650;
}
.spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}
.is-loading .spinner { display: inline-block; }

.status-pill,
.tag,
.status-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .25rem .58rem;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 720;
}
.status-pill.ok,
.status-chip.ok { color: var(--success); border-color: color-mix(in srgb, var(--success) 42%, var(--border)); }
.status-pill.warn,
.status-chip.warn { color: var(--warning); border-color: color-mix(in srgb, var(--warning) 42%, var(--border)); }
.status-chip.error { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 42%, var(--border)); }

.result-state,
.analysis-card,
.preset-panel {
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.result-state {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
}
.result-state h2 { color: var(--text); margin: 0 0 .25rem; }
.result-state p { margin: 0; }
.empty-graphic {
  width: 54px;
  height: 54px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 24%, transparent), transparent),
    var(--surface-2);
  position: relative;
}
.empty-graphic::before,
.empty-graphic::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.empty-graphic::before { top: 21px; transform: rotate(90deg); }
.empty-graphic::after { top: 21px; }
.result-state.loading .empty-graphic::after {
  animation: pulse-line 1s ease-in-out infinite;
}
.analysis-card {
  animation: result-enter var(--t-base) var(--ease) both;
}
.hidden { display: none !important; }

.media-summary {
  display: grid;
  grid-template-columns: 112px 1fr auto;
  gap: 1rem;
  align-items: start;
}
.media-thumb {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(124, 140, 255, .24), transparent),
    var(--surface-2);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 750;
}
.media-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}
.media-title { margin-bottom: .4rem; font-size: 1.22rem; }
.meta-row,
.format-grid,
.capability-grid,
.stats-grid,
.diagnostics-grid,
.policy-grid,
.option-grid {
  display: grid;
  gap: .75rem;
}
.meta-row {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  margin-top: .85rem;
}
.metric,
.format-card,
.capability-card,
.stats-grid > div,
.diag,
.policy-grid article,
.info-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-2) 84%, transparent);
  padding: .85rem;
}
.metric span,
.format-card span,
.capability-card span,
.stats-grid small,
.diag small {
  display: block;
  color: var(--muted);
  font-size: .8rem;
}
.metric strong,
.stats-grid span {
  color: var(--text);
  font-size: 1.12rem;
  font-variant-numeric: tabular-nums;
}
.notice-text {
  margin: 1rem 0 0;
  color: var(--muted);
}
.static-api-notice {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 12px auto 0;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
}
.static-api-notice[hidden] { display: none; }
.format-grid,
.capability-grid,
.preset-grid,
.stats-grid,
.diagnostics-grid,
.policy-grid,
.option-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.format-card strong,
.capability-card strong {
  display: block;
  margin-top: .25rem;
  font-size: 1rem;
}
.format-card small,
.capability-card small {
  color: var(--muted);
}
.preset-panel {
  display: grid;
  gap: 1rem;
  animation: result-enter var(--t-base) var(--ease) both;
}
.section-kicker { display: grid; gap: .2rem; }
.preset-grid { display: grid; gap: .75rem; }
.preset {
  text-align: left;
  min-height: 92px;
  border-color: var(--border);
  background: var(--surface-2);
  color: var(--text);
  box-shadow: none;
  display: grid;
  align-content: center;
  gap: .25rem;
}
.preset span { color: var(--muted); font-weight: 520; }
.preset.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 14px 30px rgba(0,0,0,.16);
}
.advanced-options {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  padding: .85rem;
}
.advanced-options summary {
  cursor: pointer;
  font-weight: 780;
}
.advanced-options[open] { animation: result-enter var(--t-base) var(--ease) both; }
.option-grid { margin-top: .85rem; }
.operation-row { flex-wrap: wrap; }

.content-section {
  margin-top: 28px;
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
}
.section-heading { margin-bottom: 1rem; }
.section-actions { flex-wrap: wrap; justify-content: flex-end; }
.drop-zone {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--muted);
  padding: 1rem;
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.drop-zone.active,
.drop-zone:hover {
  border-color: var(--accent);
  color: var(--text);
  background: color-mix(in srgb, var(--surface-2) 84%, var(--accent) 16%);
}
.queue-controls {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 88px 1fr;
  align-items: center;
  gap: .75rem;
  margin: .9rem 0;
}
.queue-controls label { margin: 0; }
.list-empty {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  padding: 1rem;
  background: color-mix(in srgb, var(--surface-2) 54%, transparent);
}
.job-row,
.history-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .75rem;
  align-items: center;
  padding: .85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  margin-bottom: .6rem;
  animation: list-enter var(--t-base) var(--ease) both;
}
.progress-bar {
  height: 6px;
  margin: .55rem 0 .25rem;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-3);
}
.progress-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--success));
  transition: width var(--t-base) var(--ease);
}
.progress-bar.indeterminate span {
  width: 42%;
  animation: indeterminate 1.1s var(--ease) infinite;
}
.url-text {
  color: var(--muted);
  overflow-wrap: anywhere;
  font-size: .92rem;
}
.settings-layout {
  display: grid;
  grid-template-columns: 1fr minmax(240px, .8fr);
  gap: 1rem;
}
.toggle-row {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin: .75rem 0 1rem;
}
.toggle-row input { width: auto; min-height: auto; }
.settings-actions { margin-top: .85rem; flex-wrap: wrap; }
.info-panel p,
.policy-grid p {
  color: var(--muted);
  margin-bottom: 0;
}
.diag p { margin: .2rem 0; font-weight: 780; }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; justify-content: end; }
.row-actions button { min-height: 36px; padding: .45rem .62rem; }
.tone-ok { color: var(--success) !important; }.tone-off { color: var(--subtle) !important; }
.message-warning { color: var(--warning); }

@keyframes hero-enter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes page-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes ribbon-drift { from { translate: 0 -5px; } to { translate: 0 7px; } }
@keyframes panel-enter {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes result-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes list-enter {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-line {
  0%, 100% { opacity: .5; transform: scaleX(.65); }
  50% { opacity: 1; transform: scaleX(1); }
}
@keyframes field-shake {
  0%, 100% { transform: translateX(0); }
  28% { transform: translateX(-5px); }
  56% { transform: translateX(5px); }
}
@keyframes indeterminate {
  from { transform: translateX(-120%); }
  to { transform: translateX(240%); }
}

@view-transition { navigation: auto; }

@media (max-width: 900px) {
  .header-inner {
    grid-template-columns: auto auto auto;
    justify-content: space-between;
  }
  .menu-button { display: inline-block; order: 3; }
  .utility-button { order: 2; }
  .primary-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 64px;
    display: grid;
    justify-self: stretch;
    padding: .45rem;
    border-radius: var(--radius);
    opacity: 0;
    transform: translateY(-8px) scale(.98);
    pointer-events: none;
    transform-origin: top center;
    transition: opacity var(--t-base) var(--ease), transform var(--t-base) var(--ease);
    box-shadow: var(--shadow);
  }
  .primary-nav.open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
  }
  .primary-nav a { border-radius: var(--radius); }
  .more-menu summary { border-radius: var(--radius); }
  .more-panel { position: static; margin: 2px 6px 6px; box-shadow: none; border-color: transparent; background: var(--surface-2); }
  .link-control {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }
  .primary-action,
  .secondary-action {
    grid-column: 1 / -1;
    width: 100%;
  }
  .icon-action { min-width: 64px; }
  .media-summary { grid-template-columns: 96px 1fr; }
  .media-summary .status-chip { grid-column: 1 / -1; }
  .home-hero { min-height: auto; grid-template-columns: 1fr; padding-top: 28px; }
  .hero-art { min-height: 340px; width: min(100%, 520px); margin: -10px auto 0; }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-link { min-height: 112px; }
  .settings-page { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .header-inner,
  .page-shell { width: min(100% - 24px, var(--max-width)); }
  .page-shell { padding-top: 36px; }
  .brand-text { font-size: .96rem; }
  .brand-text span { display: none; }
  .hero-section { gap: 24px; }
  h1 { font-size: 2.6rem; }
  .home-copy h1 { font-size: 3.2rem; }
  .page-intro h1 { font-size: 2.65rem; }
  .tool-section h2 { font-size: 1.6rem; }
  .workspace-card { padding: 14px; }
  .site-footer { width: calc(100% - 24px); align-items: flex-start; flex-direction: column; gap: 10px; }
  .site-footer nav { gap: 14px; }
  .workspace-status,
  .section-heading,
  .result-state,
  .settings-layout,
  .queue-controls,
  .job-row,
  .history-row {
    grid-template-columns: 1fr;
  }
  .workspace-status,
  .section-heading {
    display: grid;
    align-items: start;
  }
  .trust-note { display: none; }
  .media-summary { grid-template-columns: 1fr; }
  .media-thumb { max-width: 180px; }
  .section-actions,
  .operation-row,
  .settings-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }
  .section-actions button,
  .operation-row button,
  .settings-actions button {
    width: 100%;
  }
  .history-tools { grid-template-columns: 1fr; }
  .history-tools > button { width: 100%; }
  .compact-grid { grid-template-columns: 1fr; }
  .hero-art { min-height: 290px; }
  .hero-caption { flex-wrap: wrap; font-size: .7rem; }
  .batch-actions > button { flex: 1 1 calc(50% - 8px); }
  .row-actions { justify-content: start; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
  .ribbon, .hero-art::before { animation: none !important; }
}