:root {
  --bg: #f7f8fc;
  --bg-soft: #eef0f7;
  --card: #ffffff;
  --text: #161a2b;
  --muted: #5d6479;
  --border: #e3e6f0;
  --primary: #4f46e5;
  --primary-2: #7c3aed;
  --primary-soft: #eef0ff;
  --on-primary: #ffffff;
  --success: #059669;
  --success-soft: #e7f8f1;
  --danger: #dc2626;
  --danger-soft: #fdecec;
  --warn: #b45309;
  --warn-soft: #fff6e6;
  --shadow: 0 1px 2px rgba(20, 24, 50, .05), 0 4px 16px rgba(20, 24, 50, .06);
  --shadow-lg: 0 10px 40px rgba(20, 24, 50, .12);
  --radius: 14px;
  --radius-sm: 9px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1020; --bg-soft: #151a30; --card: #141933; --text: #e8eaf6; --muted: #9aa1bd; --border: #262d4d;
    --primary: #8b85ff; --primary-2: #b38bff; --primary-soft: #1f2350; --on-primary: #0d1020;
    --success: #34d399; --success-soft: #0f2a24; --danger: #f87171; --danger-soft: #2e1518; --warn: #fbbf24; --warn-soft: #2c2410;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .25); --shadow-lg: 0 10px 40px rgba(0, 0, 0, .5);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1020; --bg-soft: #151a30; --card: #141933; --text: #e8eaf6; --muted: #9aa1bd; --border: #262d4d;
  --primary: #8b85ff; --primary-2: #b38bff; --primary-soft: #1f2350; --on-primary: #0d1020;
  --success: #34d399; --success-soft: #0f2a24; --danger: #f87171; --danger-soft: #2e1518; --warn: #fbbf24; --warn-soft: #2c2410;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .25); --shadow-lg: 0 10px 40px rgba(0, 0, 0, .5);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.55; font-size: 16px; overflow-x: hidden; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img, canvas, video { max-width: 100%; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.page { padding-top: 24px; padding-bottom: 56px; }
.narrow { max-width: 780px; }
.center-text { text-align: center; }
.lead { color: var(--muted); font-size: 1.05rem; margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--card) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; gap: 14px; height: 62px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.2rem; color: var(--text); white-space: nowrap; }
.logo:hover { text-decoration: none; }
.logo-mark { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; font-size: .9rem; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-btn, .nav-link { background: none; border: 0; font: inherit; color: var(--text); padding: 8px 10px; border-radius: 8px; cursor: pointer; font-size: .95rem; }
.nav-btn:hover, .nav-link:hover { background: var(--bg-soft); text-decoration: none; }
.dropdown { position: relative; }
.dropdown-menu { position: absolute; top: calc(100% + 6px); left: 0; display: none; grid-template-columns: repeat(2, minmax(200px, 1fr)); gap: 2px; padding: 8px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.dropdown.open .dropdown-menu { display: grid; }
.dropdown-menu a { display: flex; gap: 10px; align-items: center; padding: 9px 10px; border-radius: 8px; color: var(--text); font-size: .93rem; }
.dropdown-menu a:hover { background: var(--bg-soft); text-decoration: none; }
.header-search { position: relative; flex: 1; max-width: 380px; margin-left: auto; }
.header-search input { width: 100%; height: 40px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--bg-soft); color: var(--text); font: inherit; font-size: .93rem; }
.search-results { position: absolute; top: calc(100% + 6px); left: 0; right: 0; display: none; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); max-height: 420px; overflow: auto; padding: 6px; z-index: 60; }
.search-results.show { display: block; }
.search-results a { display: flex; gap: 10px; align-items: center; padding: 9px 10px; border-radius: 8px; color: var(--text); }
.search-results a small { display: block; color: var(--muted); font-size: .8rem; }
.search-results a:hover, .search-results a.active { background: var(--primary-soft); text-decoration: none; }
.search-results .empty { padding: 12px; color: var(--muted); font-size: .9rem; }
.icon-btn { width: 40px; height: 40px; flex: none; border-radius: 50%; border: 1px solid var(--border); background: var(--card); cursor: pointer; font-size: 1.05rem; color: var(--text); }
@media (max-width: 860px) { .hide-sm { display: none; } }
@media (max-width: 560px) {
  .header-inner { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; row-gap: 8px; }
  .header-search { order: 5; max-width: none; flex-basis: 100%; }
  .main-nav { margin-left: auto; }
  .dropdown-menu { grid-template-columns: 1fr; position: fixed; left: 16px; right: 16px; top: 60px; max-height: 70vh; overflow: auto; }
}

@media (max-width: 360px) {
  .header-inner { column-gap: 6px; }
  .logo { font-size: 1.05rem; gap: 6px; }
  .logo-mark { width: 26px; height: 26px; }
  .nav-btn { padding: 8px 6px; }
  .icon-btn { width: 36px; height: 36px; }
}

.hero { padding: 56px 0 36px; text-align: center; background: radial-gradient(1000px 400px at 50% -10%, var(--primary-soft), transparent 70%); }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); max-width: 820px; margin: 0 auto .4em; }
.hero .lead { max-width: 680px; margin: 0 auto; }
.grad { background: linear-gradient(90deg, var(--primary), var(--primary-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-search { max-width: 620px; margin: 28px auto 20px; }
.hero-search input { width: 100%; height: 56px; padding: 0 22px; font: inherit; font-size: 1.05rem; border-radius: 999px; border: 1px solid var(--border); background: var(--card); color: var(--text); box-shadow: var(--shadow-lg); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips.center { justify-content: center; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 13px; border-radius: 999px; background: var(--card); border: 1px solid var(--border); color: var(--text); font-size: .9rem; }
.chip:hover { border-color: var(--primary); text-decoration: none; }
.home-section { margin-bottom: 40px; scroll-margin-top: 80px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.section-head h2 { margin: 0; }
.why { margin-top: 24px; text-align: center; }
.cat-strip { margin-top: 40px; }

.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 12px; }
.tool-card-link { display: flex; gap: 12px; padding: 14px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); transition: transform .15s, box-shadow .15s, border-color .15s; }
.tool-card-link:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--primary) 40%, var(--border)); }
.tool-card-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.tool-card-body strong { font-size: .98rem; }
.tool-card-body span { color: var(--muted); font-size: .84rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tool-icon { flex: none; display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; font-size: 1.25rem; background: color-mix(in srgb, var(--c, var(--primary)) 14%, transparent); color: var(--c); font-weight: 700; }
.tool-icon.lg { width: 60px; height: 60px; border-radius: 16px; font-size: 1.8rem; }

.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; font-size: .88rem; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--muted); }
.tool-head { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 22px; }
.tool-head h1 { margin-bottom: .2em; }
.tool-app { background: var(--card); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); padding: clamp(16px, 3vw, 28px); min-height: 220px; }
.tool-loading { color: var(--muted); text-align: center; padding: 60px 0; }
.trust-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin: 22px 0 34px; }
.trust-row > div { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 2px; padding: 16px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); }
.trust-row span { font-size: 1.4rem; }
.trust-row small { color: var(--muted); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; }
@media (max-width: 900px) { .content-grid { grid-template-columns: 1fr; } }
.prose h2 { margin-top: 1.4em; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--text); }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0 0 1em; }
.steps li { counter-increment: s; position: relative; padding: 10px 0 10px 46px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 7px; width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-weight: 700; }
.faq details { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--card); margin-bottom: 8px; }
.faq summary { cursor: pointer; padding: 13px 16px; font-weight: 600; }
.faq details p { padding: 0 16px 14px; margin: 0; color: var(--muted); }
.sidebar h3 { font-size: 1rem; margin: 0 0 10px; }
.sidebar h3:not(:first-child) { margin-top: 24px; }
.side-list { list-style: none; padding: 0; margin: 0; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.side-list li + li { border-top: 1px solid var(--border); }
.side-list a { display: flex; gap: 10px; padding: 10px 14px; color: var(--text); font-size: .93rem; }
.side-list a:hover { background: var(--bg-soft); text-decoration: none; }
.side-more { display: inline-block; margin-top: 8px; font-size: .9rem; }

.site-footer { background: var(--card); border-top: 1px solid var(--border); padding: 40px 0 24px; margin-top: 20px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.footer-brand { max-width: 460px; }
.footer-brand p { color: var(--muted); font-size: .92rem; margin-top: 10px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: flex-start; }
.footer-links a { color: var(--muted); font-size: .92rem; }
.footer-cols { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 22px; }
.footer-cols h4 { font-size: .92rem; margin-bottom: 8px; }
.footer-cols h4 a { color: var(--text); }
.footer-cols ul { list-style: none; padding: 0; margin: 0; }
.footer-cols li a { color: var(--muted); font-size: .86rem; line-height: 1.9; }
.copyright { color: var(--muted); font-size: .85rem; margin: 28px 0 0; text-align: center; }

.stack { display: flex; flex-direction: column; gap: 14px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.row > * { min-width: 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.grid-2 > *, .grid-3 > *, .grid-auto > * { min-width: 0; }
@media (max-width: 700px) { .grid-2, .grid-3 { grid-template-columns: 1fr !important; } }
.field { display: flex; flex-direction: column; gap: 6px; flex: 1 1 160px; }
.field.grow { flex: 3 1 260px; }
.field.small { flex: 0 1 120px; }
.field > label, .label { font-size: .86rem; font-weight: 600; color: var(--muted); }
.input, .select, .textarea, input[type=text].input, input[type=number].input {
  width: 100%; font: inherit; font-size: .97rem; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; min-height: 44px;
}
.textarea { min-height: 180px; resize: vertical; line-height: 1.5; }
.textarea.mono, .input.mono, .mono { font-family: var(--mono); font-size: .9rem; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap .unit { position: absolute; right: 12px; color: var(--muted); font-size: .88rem; pointer-events: none; }
.input-wrap .input { padding-right: 52px; }
input[type=range] { width: 100%; accent-color: var(--primary); }
input[type=color] { width: 46px; height: 40px; padding: 2px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); cursor: pointer; }
.check { display: inline-flex; align-items: center; gap: 8px; font-size: .93rem; cursor: pointer; user-select: none; }
.check input { width: 17px; height: 17px; accent-color: var(--primary); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 600; font-size: .95rem; padding: 10px 18px; min-height: 44px; border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer; background: var(--primary); color: var(--on-primary); transition: filter .15s, transform .05s; white-space: nowrap; text-decoration: none; }
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.secondary { background: var(--bg-soft); color: var(--text); border-color: var(--border); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn.danger { background: var(--danger); color: #fff; }
.btn.success { background: var(--success); color: #fff; }
.btn.sm { padding: 6px 12px; min-height: 34px; font-size: .86rem; }
.btn.lg { padding: 14px 26px; font-size: 1.05rem; }
.btn.block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.seg { display: inline-flex; flex-wrap: wrap; background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 3px; gap: 2px; }
.seg button { font: inherit; font-size: .9rem; border: 0; background: none; color: var(--muted); padding: 7px 13px; border-radius: 7px; cursor: pointer; }
.seg button.on { background: var(--card); color: var(--text); box-shadow: var(--shadow); font-weight: 600; }

.dropzone { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center; border: 2px dashed color-mix(in srgb, var(--primary) 45%, var(--border)); border-radius: 16px; padding: 38px 18px; background: color-mix(in srgb, var(--primary-soft) 55%, transparent); cursor: pointer; transition: background .15s, border-color .15s; }
.dropzone:hover, .dropzone.drag { background: var(--primary-soft); border-color: var(--primary); }
.dropzone .dz-icon { font-size: 2.2rem; }
.dropzone strong { font-size: 1.05rem; }
.dropzone small { color: var(--muted); }
.dropzone.compact { padding: 18px; flex-direction: row; }

.file-list { display: flex; flex-direction: column; gap: 8px; }
.file-item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); }
.file-item .thumb { width: 44px; height: 44px; flex: none; border-radius: 8px; object-fit: cover; background: var(--bg-soft); display: grid; place-items: center; font-size: 1.3rem; overflow: hidden; }
.file-item .meta { flex: 1; min-width: 0; }
.file-item .name { font-weight: 600; font-size: .92rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item .sub { color: var(--muted); font-size: .82rem; }
.file-item .actions { display: flex; gap: 6px; flex: none; }

.results { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.result { padding: 14px 16px; border-radius: var(--radius-sm); background: var(--bg); border: 1px solid var(--border); }
.result .k { color: var(--muted); font-size: .82rem; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.result .v { font-size: 1.25rem; font-weight: 700; margin-top: 2px; word-break: break-word; }
.result.main { background: linear-gradient(135deg, var(--primary), var(--primary-2)); border: 0; color: #fff; grid-column: 1 / -1; }
.result.main .k { color: rgba(255, 255, 255, .85); }
.result.main .v { font-size: 2rem; }
.result .s { font-size: .85rem; color: var(--muted); margin-top: 2px; }
.result.main .s { color: rgba(255, 255, 255, .9); }

.notice { padding: 12px 14px; border-radius: var(--radius-sm); background: var(--primary-soft); color: var(--text); font-size: .93rem; border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent); }
.notice.error { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.notice.success { background: var(--success-soft); border-color: color-mix(in srgb, var(--success) 35%, transparent); }
.notice.warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.progress { height: 10px; border-radius: 99px; background: var(--bg-soft); overflow: hidden; border: 1px solid var(--border); }
.progress > div { height: 100%; width: 0; background: linear-gradient(90deg, var(--primary), var(--primary-2)); transition: width .2s; }
.preview { display: flex; align-items: center; justify-content: center; min-height: 160px; border-radius: var(--radius-sm); border: 1px solid var(--border); overflow: hidden;
  background-color: var(--bg); background-image: linear-gradient(45deg, var(--bg-soft) 25%, transparent 25%), linear-gradient(-45deg, var(--bg-soft) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--bg-soft) 75%), linear-gradient(-45deg, transparent 75%, var(--bg-soft) 75%);
  background-size: 20px 20px; background-position: 0 0, 0 10px, 10px -10px, -10px 0; }
.preview img, .preview canvas, .preview video { max-height: 520px; display: block; }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); max-height: 460px; }
table.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th, .table td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table th { position: sticky; top: 0; background: var(--bg-soft); font-weight: 600; }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: .78rem; font-weight: 700; background: var(--primary-soft); color: var(--primary); }
.badge.ok { background: var(--success-soft); color: var(--success); }
.badge.bad { background: var(--danger-soft); color: var(--danger); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.out-box { position: relative; padding: 14px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); font-family: var(--mono); font-size: .9rem; white-space: pre-wrap; word-break: break-word; max-height: 460px; overflow: auto; }
.big-num { font-size: clamp(2.4rem, 8vw, 4.5rem); font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -.02em; line-height: 1.1; text-align: center; }
.card-sub { padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.divider { height: 1px; background: var(--border); margin: 6px 0; }
.hl-add { background: color-mix(in srgb, var(--success) 25%, transparent); }
.hl-del { background: color-mix(in srgb, var(--danger) 25%, transparent); text-decoration: line-through; }
mark { background: color-mix(in srgb, #facc15 55%, transparent); color: inherit; border-radius: 3px; }
kbd { font-family: var(--mono); font-size: .8rem; padding: 2px 6px; border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 5px; background: var(--bg-soft); }
.spinner { width: 16px; height: 16px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; display: inline-block; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 99px; font-size: .92rem; font-weight: 600; opacity: 0; transition: .25s; z-index: 1000; pointer-events: none; box-shadow: var(--shadow-lg); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.copy-row { display: flex; gap: 8px; align-items: stretch; }
.copy-row .input { flex: 1; }
.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 12px; }
.thumb-card { position: relative; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); padding: 8px; display: flex; flex-direction: column; gap: 6px; align-items: center; }
.thumb-card canvas, .thumb-card img { width: 100%; height: auto; border-radius: 4px; box-shadow: var(--shadow); background: #fff; }
.thumb-card .tc-label { font-size: .8rem; color: var(--muted); }
.thumb-card .tc-actions { display: flex; gap: 4px; }
.thumb-card .tc-actions button { border: 1px solid var(--border); background: var(--card); color: var(--text); border-radius: 6px; width: 30px; height: 28px; cursor: pointer; font-size: .85rem; }
.thumb-card.removed { opacity: .35; }
.swatch { width: 100%; aspect-ratio: 1.6; border-radius: var(--radius-sm); border: 1px solid var(--border); cursor: pointer; display: flex; align-items: flex-end; padding: 6px; font-family: var(--mono); font-size: .8rem; }
.list-plain { list-style: none; margin: 0; padding: 0; }
.scroll-x { overflow-x: auto; }
.w-100 { width: 100%; }
.mt { margin-top: 14px; }
.text-center { text-align: center; }
.bar-row { display: flex; align-items: center; gap: 10px; font-size: .88rem; }
.bar-row .bar { flex: 1; height: 8px; background: var(--bg-soft); border-radius: 99px; overflow: hidden; }
.bar-row .bar > i { display: block; height: 100%; background: var(--primary); }
.meter { height: 14px; border-radius: 99px; background: var(--bg-soft); overflow: hidden; border: 1px solid var(--border); }
.meter > i { display: block; height: 100%; width: 0; transition: width .08s; background: linear-gradient(90deg, #22c55e, #eab308 70%, #ef4444); }

.ai-fab { position: fixed; right: 20px; bottom: 20px; z-index: 80; display: inline-flex; align-items: center; gap: 8px; height: 52px; padding: 0 20px 0 16px; border: 0; border-radius: 999px; background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; font: inherit; font-weight: 700; font-size: .98rem; cursor: pointer; box-shadow: 0 8px 28px color-mix(in srgb, var(--primary) 45%, transparent); transition: transform .15s, box-shadow .15s; }
.ai-fab:hover { transform: translateY(-2px); box-shadow: 0 12px 34px color-mix(in srgb, var(--primary) 55%, transparent); }
.ai-fab > span:first-child { font-size: 1.15rem; }
.ai-open .ai-fab { display: none; }
.ai-panel { position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 400px; max-width: calc(100vw - 32px); height: min(640px, calc(100vh - 100px)); display: flex; flex-direction: column; background: var(--card); color: var(--text); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow-lg); overflow: hidden; animation: ai-in .18s ease-out; }
.ai-panel[hidden] { display: none; }
@keyframes ai-in { from { opacity: 0; transform: translateY(12px) scale(.98); } }
.ai-head { display: flex; align-items: center; gap: 10px; padding: 12px 12px 12px 14px; border-bottom: 1px solid var(--border); background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 10%, var(--card)), var(--card)); }
.ai-avatar { display: grid; place-items: center; width: 36px; height: 36px; flex: none; border-radius: 11px; background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; font-size: 1.05rem; }
.ai-title { flex: 1; min-width: 0; line-height: 1.25; }
.ai-title strong { display: block; font-size: .98rem; }
.ai-title small { color: var(--muted); font-size: .8rem; }
.ai-head .icon-btn { width: 34px; height: 34px; font-size: .95rem; }
.ai-body { position: relative; flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 12px; overscroll-behavior: contain; background: var(--bg); }
.ai-msg { display: flex; flex-direction: column; gap: 8px; max-width: 100%; }
.ai-msg.user { align-items: flex-end; }
.ai-bubble { max-width: 88%; padding: 10px 13px; border-radius: 14px; font-size: .93rem; line-height: 1.5; overflow-wrap: anywhere; }
.ai-msg.bot .ai-bubble { background: var(--card); border: 1px solid var(--border); border-top-left-radius: 4px; }
.ai-msg.user .ai-bubble { background: var(--primary); color: var(--on-primary); border-top-right-radius: 4px; }
.ai-tools { display: flex; flex-direction: column; gap: 8px; }
.ai-tool { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px; }
.ai-tool-top { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.ai-tool-top .tool-icon { width: 36px; height: 36px; font-size: 1.05rem; border-radius: 10px; }
.ai-tool-top > div { min-width: 0; line-height: 1.25; }
.ai-tool-name { font-weight: 700; color: var(--text); }
.ai-tool-top small { display: block; color: var(--muted); font-size: .78rem; }
.ai-tool-desc { margin: 0 0 8px; font-size: .86rem; color: var(--muted); }
.ai-tool details { margin-bottom: 10px; font-size: .86rem; }
.ai-tool summary { cursor: pointer; font-weight: 600; color: var(--primary); padding: 2px 0; }
.ai-steps { margin: 8px 0 8px; padding-left: 20px; }
.ai-steps li { margin-bottom: 3px; }
.ai-facts { list-style: none; margin: 0; padding: 8px 10px; border-radius: 8px; background: var(--bg-soft); font-size: .8rem; color: var(--muted); }
.ai-facts li + li { margin-top: 3px; }
.ai-links, .ai-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ai-chips .chip, .ai-links .chip { font: inherit; font-size: .82rem; padding: 6px 11px; cursor: pointer; }
.ai-chips .chip { background: var(--primary-soft); border-color: transparent; color: var(--primary); }
.ai-chips .chip:hover { border-color: var(--primary); }
.ai-typing .ai-bubble { display: inline-flex; gap: 4px; width: auto; padding: 13px 14px; }
.ai-typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); animation: ai-dot 1s infinite ease-in-out; }
.ai-typing span:nth-child(2) { animation-delay: .15s; }
.ai-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes ai-dot { 0%, 80%, 100% { opacity: .3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }
.ai-form { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--border); background: var(--card); }
.ai-input { flex: 1; min-width: 0; height: 44px; padding: 0 14px; font: inherit; font-size: 16px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg); color: var(--text); }
.ai-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.ai-send { width: 44px; padding: 0; border-radius: 50%; flex: none; }
.hero-ask { margin: -6px 0 18px; color: var(--muted); font-size: .95rem; }
.link-btn { font: inherit; background: none; border: 0; padding: 0; color: var(--primary); font-weight: 600; cursor: pointer; }
.link-btn:hover { text-decoration: underline; }
@media (max-width: 560px) {
  .ai-fab { right: 16px; bottom: 16px; height: 50px; padding: 0 16px 0 14px; }
  .ai-panel { inset: 0; width: auto; max-width: none; height: auto; border-radius: 0; border: 0; }
  .ai-open, .ai-open body { overflow: hidden; }
}
@media (prefers-reduced-motion: reduce) { .ai-panel, .ai-typing span { animation: none; } .ai-fab { transition: none; } }
@media print { .ai-fab, .ai-panel { display: none !important; } }