/* ============================================================
   Real-World Gen AI Use Cases — Material Design 3 (Google) stylesheet
   Light + dark tonal palettes, M3 type scale, shape & motion.
   ============================================================ */

:root {
  /* ---- M3 tonal palette: Blue-seeded baseline (light) ---- */
  --primary:               #0b57d0;
  --on-primary:            #ffffff;
  --primary-container:     #d3e3fd;
  --on-primary-container:  #041e49;
  --secondary:             #565f71;
  --on-secondary:          #ffffff;
  --secondary-container:   #dae2f9;
  --on-secondary-container:#131c2b;
  --tertiary:              #705575;
  --tertiary-container:    #fad8fd;
  --on-tertiary-container: #28132e;

  --surface:               #faf9fd;
  --surface-dim:           #dad9dd;
  --surface-bright:        #faf9fd;
  --surface-container-lowest:#ffffff;
  --surface-container-low: #f4f3f7;
  --surface-container:     #eeedf1; /* placeholder, overridden below */
  --surface-container:     #eeedf1;
  --surface-container-high:#e8e7eb;
  --surface-container-highest:#e2e2e6;
  --on-surface:            #1a1c1e;
  --on-surface-variant:    #43474e;
  --outline:               #74777f;
  --outline-variant:       #c4c6cf;

  --error:                 #ba1a1a;
  --on-error:              #ffffff;
  --error-container:       #ffdad6;
  --on-error-container:    #410002;

  --scrim:                 rgba(0,0,0,0.32);
  --shadow:                rgba(0,0,0,1);

  /* Agent-type accents */
  --c-customer: #1a73e8;
  --c-employee: #12a150;
  --c-creative: #d93025;
  --c-code:     #8430ce;
  --c-data:     #e8710a;
  --c-security: #00897b;

  /* ---- Type ---- */
  --font-brand: "Google Sans Display", "Roboto Flex", "Noto Sans TC", system-ui, sans-serif;
  --font-body:  "Roboto", "Roboto Flex", "Noto Sans TC", system-ui, -apple-system, sans-serif;
  --font-mono:  "Roboto Mono", "SF Mono", ui-monospace, Menlo, monospace;

  /* ---- Shape (M3) ---- */
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 28px;
  --r-full: 999px;

  /* ---- Elevation (M3 light shadows) ---- */
  --e1: 0 1px 2px rgba(0,0,0,.30), 0 1px 3px 1px rgba(0,0,0,.15);
  --e2: 0 1px 2px rgba(0,0,0,.30), 0 2px 6px 2px rgba(0,0,0,.15);
  --e3: 0 4px 8px 3px rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.30);

  /* ---- Motion (M3 emphasized easing) ---- */
  --ease-emph: cubic-bezier(0.2, 0, 0, 1);
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --dur-short: 180ms;
  --dur-med: 280ms;
  --dur-long: 450ms;
}

[data-theme="dark"] {
  --primary:               #a8c7fa;
  --on-primary:            #062e6f;
  --primary-container:     #284777;
  --on-primary-container:  #d8e2ff;
  --secondary:             #bec6dc;
  --on-secondary:          #283141;
  --secondary-container:   #3e4759;
  --on-secondary-container:#dae2f9;
  --tertiary:              #ddbce0;
  --tertiary-container:    #573e5c;
  --on-tertiary-container: #fad8fd;

  --surface:               #111316;
  --surface-dim:           #111316;
  --surface-bright:        #37393c;
  --surface-container-lowest:#0c0e11;
  --surface-container-low: #1a1c1e;
  --surface-container:     #1e2022;
  --surface-container-high:#282a2d;
  --surface-container-highest:#333538;
  --on-surface:            #e3e2e6;
  --on-surface-variant:    #c4c6cf;
  --outline:               #8e9099;
  --outline-variant:       #43474e;

  --error:                 #ffb4ab;
  --on-error:              #690005;
  --error-container:       #93000a;
  --on-error-container:    #ffdad6;

  --scrim:                 rgba(0,0,0,0.6);

  --c-customer: #8ab4f8;
  --c-employee: #6dd58c;
  --c-creative: #f2b8b5;
  --c-code:     #d3a4ff;
  --c-data:     #fcad70;
  --c-security: #4dd0c4;

  --e1: 0 1px 3px 1px rgba(0,0,0,.45), 0 1px 2px rgba(0,0,0,.55);
  --e2: 0 2px 6px 2px rgba(0,0,0,.45), 0 1px 2px rgba(0,0,0,.55);
  --e3: 0 4px 8px 3px rgba(0,0,0,.45), 0 1px 3px rgba(0,0,0,.55);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--on-surface);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--dur-med) var(--ease-standard), color var(--dur-med) var(--ease-standard);
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 60%, transparent); outline-offset: 2px; border-radius: var(--r-xs); }

.material-symbols-rounded {
  font-family: "Material Symbols Rounded";
  font-weight: normal; font-style: normal;
  font-size: 24px; line-height: 1;
  letter-spacing: normal; text-transform: none;
  display: inline-block; white-space: nowrap; word-wrap: normal; direction: ltr;
  -webkit-font-feature-settings: "liga"; font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
  user-select: none;
}

/* ---------- Ripple ---------- */
.ripple-host { position: relative; overflow: hidden; }
.ripple {
  position: absolute; border-radius: 50%;
  background: currentColor; opacity: 0.18;
  transform: scale(0); pointer-events: none;
  animation: ripple var(--dur-long) var(--ease-standard);
}
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }

/* ---------- Top app bar ---------- */
.appbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 12px;
  padding: 10px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--outline-variant);
}
.appbar__brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-brand); font-weight: 500;
  font-size: 1.25rem; letter-spacing: -0.01em;
  margin-right: auto;
}
.brand-mark {
  width: 36px; height: 36px; flex: none;
  display: grid; place-items: center;
  border-radius: var(--r-md);
  background: var(--primary-container);
  color: var(--on-primary-container);
}
.brand-mark .material-symbols-rounded { font-size: 22px; }
.brand-sub { color: var(--on-surface-variant); font-weight: 400; font-size: .8rem; }

/* GitHub star button (M3 outlined pill) */
.ghstar {
  display: inline-flex; align-items: center; gap: 7px;
  height: 40px; padding: 0 14px; border-radius: var(--r-full);
  border: 1px solid var(--outline); background: transparent;
  font-size: .85rem; font-weight: 500; color: var(--on-surface-variant);
  text-decoration: none; white-space: nowrap;
  transition: background var(--dur-short), color var(--dur-short), border-color var(--dur-short);
}
.ghstar:hover {
  background: var(--secondary-container); color: var(--on-secondary-container);
  border-color: transparent; text-decoration: none;
}
.ghstar__logo { width: 17px; height: 17px; flex: none; }
.ghstar__star { color: #f5c451; transition: transform var(--dur-short) var(--ease-emph); }
.ghstar:hover .ghstar__star { transform: scale(1.18) rotate(-10deg); }
.ghstar__count {
  font-variant-numeric: tabular-nums; font-weight: 600;
  padding-left: 8px; margin-left: 1px;
  border-left: 1px solid color-mix(in srgb, currentColor 26%, transparent);
}
.ghstar__count[hidden] { display: none; }

/* Segmented button (lang) + icon button (theme) */
.seg {
  display: inline-flex; align-items: stretch;
  border: 1px solid var(--outline); border-radius: var(--r-full);
  overflow: hidden; height: 40px;
}
.seg button {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0 14px; font-size: .875rem; font-weight: 500;
  color: var(--on-surface-variant);
  transition: background var(--dur-short) var(--ease-standard);
}
.seg button[aria-pressed="true"] {
  background: var(--secondary-container); color: var(--on-secondary-container);
}
.seg button + button { border-left: 1px solid var(--outline); }
.icon-btn {
  width: 40px; height: 40px; border-radius: var(--r-full);
  display: grid; place-items: center; color: var(--on-surface-variant);
  transition: background var(--dur-short) var(--ease-standard);
}
.icon-btn:hover { background: color-mix(in srgb, var(--on-surface) 8%, transparent); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(44px, 8vw, 88px) clamp(16px, 4vw, 40px) clamp(28px, 4vw, 44px);
  text-align: center;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 70% at 18% 0%,  color-mix(in srgb, var(--c-data) 22%, transparent), transparent 60%),
    radial-gradient(50% 60% at 85% 10%, color-mix(in srgb, var(--c-code) 18%, transparent), transparent 60%),
    radial-gradient(60% 60% at 50% 100%, color-mix(in srgb, var(--c-employee) 14%, transparent), transparent 60%);
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; margin-bottom: 20px;
  background: var(--surface-container); border: 1px solid var(--outline-variant);
  border-radius: var(--r-full); font-size: .8rem; font-weight: 500;
  color: var(--on-surface-variant);
}
.hero__eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-employee); }
.hero h1 {
  font-family: var(--font-brand); font-weight: 500;
  font-size: clamp(2.1rem, 1.4rem + 3.4vw, 4rem);
  line-height: 1.05; letter-spacing: -0.02em; margin: 0 auto .5rem;
  max-width: 18ch;
}
.hero h1 .grad {
  background: linear-gradient(92deg, var(--c-data), var(--c-code) 45%, var(--c-customer));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p {
  max-width: 56ch; margin: 0 auto;
  font-size: clamp(1rem, .95rem + .3vw, 1.2rem);
  color: var(--on-surface-variant);
}
.hero__stats {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px;
  margin-top: 28px;
}
.hero__stat { display: flex; flex-direction: column; align-items: center; }
.hero__stat b { font-family: var(--font-brand); font-size: 1.6rem; line-height: 1; color: var(--primary); }
.hero__stat span { font-size: .78rem; color: var(--on-surface-variant); }

/* ---------- Controls (search + chips) ---------- */
.controls {
  position: sticky; top: 61px; z-index: 30;
  padding: 14px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--outline-variant);
}
.search {
  display: flex; align-items: center; gap: 10px;
  max-width: 720px; margin: 0 auto 14px;
  height: 56px; padding: 0 8px 0 18px;
  background: var(--surface-container-high);
  border-radius: var(--r-full);
  transition: box-shadow var(--dur-short), background var(--dur-short);
}
.search:focus-within { box-shadow: var(--e2); background: var(--surface-container-highest); }
.search .material-symbols-rounded { color: var(--on-surface-variant); }
.search input {
  flex: 1; border: 0; background: none; outline: none;
  font: inherit; font-size: 1rem; color: var(--on-surface);
}
.search input::placeholder { color: var(--on-surface-variant); }
.search__clear { display: none; }
.search__clear.show { display: grid; }

.chips {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  max-width: 980px; margin: 0 auto;
}
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 14px;
  border: 1px solid var(--outline-variant); border-radius: var(--r-sm);
  font-size: .85rem; font-weight: 500; color: var(--on-surface-variant);
  background: transparent;
  transition: background var(--dur-short), color var(--dur-short), border-color var(--dur-short);
}
.chip .count { opacity: .6; font-variant-numeric: tabular-nums; }
.chip:hover { background: color-mix(in srgb, var(--on-surface) 6%, transparent); }
.chip[aria-pressed="true"] {
  background: var(--secondary-container); color: var(--on-secondary-container);
  border-color: transparent;
}
.chip[aria-pressed="true"] .leadcheck { width: 18px; margin-right: 2px; }
.leadcheck { width: 0; overflow: hidden; transition: width var(--dur-short) var(--ease-emph); }
.leadcheck .material-symbols-rounded { font-size: 18px; }

/* ---------- Card grid ---------- */
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  padding: 28px clamp(16px, 4vw, 40px) 80px;
  max-width: 1320px; margin: 0 auto;
}
.card {
  position: relative; display: flex; flex-direction: column; gap: 10px;
  padding: 22px 22px 20px; text-align: left;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r-xl);
  transition: box-shadow var(--dur-med) var(--ease-emph),
              transform var(--dur-med) var(--ease-emph),
              background var(--dur-short);
  animation: cardIn var(--dur-long) var(--ease-emph) both;
}
.card:hover { box-shadow: var(--e2); transform: translateY(-3px); background: var(--surface-container); }
.card:active { transform: translateY(-1px) scale(.995); }
@keyframes cardIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.cat-pill {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 11px 5px 9px; border-radius: var(--r-full);
  font-size: .72rem; font-weight: 600; letter-spacing: .01em;
  background: color-mix(in srgb, var(--cat) 14%, transparent);
  color: var(--cat);
}
.cat-pill .ic { width: 9px; height: 9px; border-radius: 50%; background: var(--cat); }
.card__num { font-family: var(--font-mono); font-size: .72rem; color: var(--on-surface-variant); opacity: .7; }

.card h3 {
  font-family: var(--font-brand); font-weight: 500;
  font-size: 1.18rem; line-height: 1.25; margin: 2px 0 0;
  letter-spacing: -0.01em;
}
.card p { margin: 0; font-size: .92rem; color: var(--on-surface-variant); line-height: 1.5; }
.card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.tag {
  font-size: .7rem; padding: 3px 9px; border-radius: var(--r-sm);
  background: var(--surface-container-high); color: var(--on-surface-variant);
}
.card__cta {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .82rem; font-weight: 600; color: var(--primary); margin-top: 4px;
}
.card__cta .material-symbols-rounded { font-size: 18px; transition: transform var(--dur-short); }
.card:hover .card__cta .material-symbols-rounded { transform: translateX(3px); }

.empty {
  grid-column: 1 / -1; text-align: center; padding: 80px 20px;
  color: var(--on-surface-variant);
}
.empty .material-symbols-rounded { font-size: 56px; opacity: .5; margin-bottom: 12px; }

/* ---------- Dialog (detail) ---------- */
.scrim {
  position: fixed; inset: 0; z-index: 60;
  background: var(--scrim); opacity: 0; pointer-events: none;
  transition: opacity var(--dur-med) var(--ease-standard);
  display: grid; place-items: center; padding: 20px;
}
.scrim.open { opacity: 1; pointer-events: auto; }
.dialog {
  width: min(760px, 100%); max-height: 90vh; overflow: auto;
  background: var(--surface-container-low);
  border-radius: var(--r-xl); box-shadow: var(--e3);
  transform: translateY(18px) scale(.97); opacity: 0;
  transition: transform var(--dur-med) var(--ease-emph), opacity var(--dur-med);
}
.scrim.open .dialog { transform: none; opacity: 1; }
.dialog__head {
  position: sticky; top: 0; z-index: 1;
  display: flex; align-items: flex-start; gap: 14px;
  padding: 26px 26px 16px;
  background: linear-gradient(var(--surface-container-low), color-mix(in srgb, var(--surface-container-low) 88%, transparent));
  backdrop-filter: blur(4px);
}
.dialog__head .cat-pill { margin-bottom: 8px; }
.dialog__title { flex: 1; }
.dialog__title h2 {
  font-family: var(--font-brand); font-weight: 500; font-size: 1.6rem;
  line-height: 1.2; margin: 0; letter-spacing: -0.015em;
}
.dialog__title .alt {
  margin: 6px 0 0; font-size: .95rem; color: var(--on-surface-variant);
}
.dialog__close { flex: none; }
.dialog__body { padding: 8px 26px 26px; }
.dialog section { margin-top: 22px; }
.dialog section h4 {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-brand); font-size: .82rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--on-surface-variant); margin: 0 0 10px;
}
.dialog section h4 .material-symbols-rounded { font-size: 18px; color: var(--primary); }
.dialog p.lead { font-size: 1rem; line-height: 1.6; margin: 0; }
.dialog ul { margin: 0; padding-left: 0; list-style: none; display: grid; gap: 10px; }
.dialog ul li {
  position: relative; padding-left: 30px; font-size: .95rem; line-height: 1.55;
  color: var(--on-surface);
}
.dialog ul li::before {
  content: ""; position: absolute; left: 8px; top: .55em;
  width: 7px; height: 7px; border-radius: 50%; background: var(--primary);
}
.dialog ol.steps { margin: 0; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 12px; }
.dialog ol.steps li {
  counter-increment: s; position: relative; padding-left: 42px;
  font-size: .95rem; line-height: 1.55; min-height: 28px;
}
.dialog ol.steps li::before {
  content: counter(s); position: absolute; left: 0; top: 0;
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center; font-size: .8rem; font-weight: 600;
  background: var(--primary-container); color: var(--on-primary-container);
}
.prompt {
  position: relative;
  background: var(--surface-container-highest);
  border: 1px solid var(--outline-variant); border-radius: var(--r-md);
  padding: 16px 16px 16px; margin: 0;
}
.prompt pre {
  margin: 0; font-family: var(--font-mono); font-size: .86rem; line-height: 1.6;
  white-space: pre-wrap; word-break: break-word; color: var(--on-surface);
}
.copy-btn {
  position: absolute; top: 10px; right: 10px;
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px; border-radius: var(--r-full);
  background: var(--surface); border: 1px solid var(--outline-variant);
  font-size: .76rem; font-weight: 500; color: var(--on-surface-variant);
}
.copy-btn .material-symbols-rounded { font-size: 16px; }
.copy-btn.copied { background: var(--primary-container); color: var(--on-primary-container); border-color: transparent; }
.dialog__foot {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--outline-variant);
}
.btn-filled {
  display: inline-flex; align-items: center; gap: 8px;
  height: 44px; padding: 0 22px; border-radius: var(--r-full);
  background: var(--primary); color: var(--on-primary);
  font-weight: 500; font-size: .9rem;
  transition: box-shadow var(--dur-short), filter var(--dur-short);
}
.btn-filled:hover { box-shadow: var(--e1); filter: brightness(1.05); text-decoration: none; }
.btn-text {
  display: inline-flex; align-items: center; gap: 6px;
  height: 44px; padding: 0 14px; border-radius: var(--r-full);
  color: var(--primary); font-weight: 500; font-size: .9rem;
}
.btn-text:hover { background: color-mix(in srgb, var(--primary) 10%, transparent); text-decoration: none; }
.dialog__nav { margin-left: auto; display: flex; gap: 4px; }

/* ---------- Footer ---------- */
.site-foot {
  padding: 32px clamp(16px,4vw,40px) 56px; text-align: center;
  color: var(--on-surface-variant); font-size: .85rem;
  border-top: 1px solid var(--outline-variant);
}
.site-foot a { font-weight: 500; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 120%);
  z-index: 80; padding: 12px 20px; border-radius: var(--r-sm);
  background: var(--surface-container-highest); color: var(--on-surface);
  box-shadow: var(--e2); font-size: .88rem;
  transition: transform var(--dur-med) var(--ease-emph);
}
.toast.show { transform: translate(-50%, 0); }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); }
.reveal.in { opacity: 1; transform: none; transition: opacity var(--dur-long) var(--ease-emph), transform var(--dur-long) var(--ease-emph); }

@media (max-width: 600px) {
  .appbar__brand .brand-sub { display: none; }
  .controls { top: 57px; }
  .grid { grid-template-columns: 1fr; padding-top: 20px; }
  .dialog { max-height: 100vh; border-radius: var(--r-xl) var(--r-xl) 0 0; align-self: end; }
  .scrim { padding: 0; align-items: end; }
  .seg button span.lbl { display: none; }
  .ghstar__text { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---- 雙排篩選列 ---- */
.filter-row { display:flex; align-items:flex-start; gap:10px; margin-top:10px; }
.filter-row__label {
  flex:0 0 auto; padding-top:9px; font-size:12px; font-weight:600;
  color:var(--on-surface-variant); min-width:62px; letter-spacing:.02em;
}
.result-count { margin-top:12px; font-size:13px; color:var(--on-surface-variant); }

/* industry chips 用中性外觀（無 agent 強調色） */
#chips-industry .chip[aria-pressed="true"] { --cat: var(--primary); }

/* ---- 新徽章 ---- */
.badge-new {
  display:inline-flex; align-items:center; gap:3px; padding:1px 7px;
  font-size:11px; font-weight:700; border-radius:999px;
  background:color-mix(in srgb, var(--c-creative) 16%, transparent);
  color:var(--c-creative);
}

/* ---- dialog Sources ---- */
.sources { list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:8px; }
.sources li a {
  display:flex; align-items:center; gap:8px; padding:10px 12px; border-radius:12px;
  background:var(--surface-container-low); color:var(--on-surface); text-decoration:none;
  font-size:14px; transition:background .15s; word-break:break-word;
}
.sources li a:hover { background:var(--surface-container-high); }
.sources li a .material-symbols-rounded { font-size:18px; color:var(--on-surface-variant); flex:0 0 auto; }

/* ---- 載入哨兵 ---- */
.load-sentinel { height:1px; }
.tech-tags { display:flex; flex-wrap:wrap; gap:6px; }

/* ---- 卡片/對話框的產業列 ---- */
.ind-line {
  display:inline-flex; align-items:center; gap:4px; margin:6px 0 2px;
  font-size:12px; font-weight:500; color:var(--on-surface-variant);
}
.dialog__title .ind-line { margin-top:8px; }

input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }

/* ---- 單一來源提示 ---- */
.single-src {
  display:inline-flex; align-items:center; gap:4px; align-self:flex-start;
  margin-top:2px; padding:2px 8px; border-radius:999px;
  font-size:11px; font-weight:600; color:var(--on-surface-variant);
  background:var(--surface-container-high);
}
.single-src .material-symbols-rounded { font-size:14px; }
.src-note {
  display:flex; align-items:flex-start; gap:6px; margin:0 0 10px;
  padding:10px 12px; border-radius:12px;
  background:color-mix(in srgb, var(--c-data) 12%, transparent);
  color:var(--on-surface-variant); font-size:13px; line-height:1.5;
}
.src-note .material-symbols-rounded { font-size:17px; flex:0 0 auto; color:var(--c-data); margin-top:1px; }