/* SEMAI theme — component layer.
   PHP-rendered equivalents of the original React design-system components
   (Button, Badge, Card, Avatar, AnswerCard, CitationChip, MetricStat,
   VisibilityMeter, ProductCard, SygnetMark, SygnetShowcase). Values copied
   1:1 from components/*.jsx — no arbitrary numbers. */

/* ---------------------------------- Button ---------------------------------- */
.semai-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  letter-spacing: -0.01em;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  transition: var(--t-colors), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.semai-btn__icon { display: inline-flex; }
.semai-btn--sm { height: 32px; padding: 0 12px; gap: 6px; font: var(--fw-medium) 13px/1 var(--font-sans); border-radius: var(--radius-sm); }
.semai-btn--md { height: 40px; padding: 0 18px; gap: 8px; font: var(--fw-medium) 14px/1 var(--font-sans); }
.semai-btn--lg { height: 48px; padding: 0 24px; gap: 10px; font: var(--fw-medium) 15px/1 var(--font-sans); }

.semai-btn--primary { background: var(--accent); color: var(--text-on-accent); box-shadow: var(--glow-sm); }
.semai-btn--primary:hover { background: var(--accent-hover); }
.semai-btn--secondary { background: var(--surface-2); color: var(--text-strong); border-color: var(--border-default); box-shadow: var(--edge-top); }
.semai-btn--secondary:hover { background: var(--surface-3); border-color: var(--border-strong); }
.semai-btn--outline { background: transparent; color: var(--text-body); border-color: var(--border-strong); }
.semai-btn--outline:hover { background: rgba(255,255,255,0.04); border-color: var(--border-strong); }
.semai-btn--ghost { background: transparent; color: var(--text-muted); }
.semai-btn--ghost:hover { background: rgba(255,255,255,0.05); color: var(--text-body); }
.semai-btn--danger { background: transparent; color: var(--risk); border-color: rgba(240,96,62,0.35); }
.semai-btn--danger:hover { background: rgba(240,96,62,0.10); }
.semai-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* Green "SEMAI Performance" button (PerfButton). The source component only
   distinguishes lg vs "everything else" (sm and md both render the same) —
   these rules must out-specificity .semai-btn--sm/md/lg's own sizing. */
.semai-btn--perf {
  gap: 9px; height: 40px; padding: 0 18px; border: none; border-radius: var(--radius-md);
  background: var(--perf-accent); color: #08120E;
  font: var(--fw-semibold) 14px/1 var(--font-sans);
  box-shadow: 0 0 0 1px rgba(62,207,142,0.4), 0 8px 28px rgba(62,207,142,0.22);
  transition: background var(--dur-fast) var(--ease-out);
}
.semai-btn--perf.semai-btn--lg { height: 48px; padding: 0 24px; font-size: 15px; }
.semai-btn--perf:hover { background: var(--perf-accent-hover); }

/* -------------------------------- Badge -------------------------------- */
.semai-badge {
  display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 9px;
  border-radius: var(--radius-pill); font-family: var(--font-mono); font-size: 11px;
  font-weight: var(--fw-medium); letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap;
  border: 1px solid transparent;
}
.semai-badge__dot { width: 6px; height: 6px; border-radius: 50%; }
.semai-badge--neutral { color: var(--text-muted); background: rgba(255,255,255,0.05); border-color: var(--border-default); }
.semai-badge--neutral .semai-badge__dot { background: var(--graphite-400); }
.semai-badge--violet { color: var(--violet-200); background: var(--accent-tint); border-color: var(--border-accent); }
.semai-badge--violet .semai-badge__dot { background: var(--accent); }
.semai-badge--positive { color: var(--positive); background: var(--green-900); border-color: rgba(62,207,142,0.3); }
.semai-badge--positive .semai-badge__dot { background: var(--positive); box-shadow: 0 0 8px rgba(62,207,142,0.7); }
.semai-badge--caution { color: var(--caution); background: var(--amber-900); border-color: rgba(232,178,58,0.3); }
.semai-badge--caution .semai-badge__dot { background: var(--caution); }
.semai-badge--risk { color: var(--risk); background: var(--red-900); border-color: rgba(240,96,62,0.3); }
.semai-badge--risk .semai-badge__dot { background: var(--risk); }
.semai-badge--data { color: var(--violet-200); background: var(--accent-tint); border-color: var(--border-accent); }
.semai-badge--data .semai-badge__dot { background: var(--violet-300); }
.semai-badge--solid { color: var(--text-on-accent); background: var(--accent); border-color: transparent; }
.semai-badge--solid .semai-badge__dot { background: #fff; }

/* -------------------------------- Card -------------------------------- */
.semai-card {
  position: relative; background: var(--surface-1); background-image: var(--grad-surface);
  border: 1px solid var(--border-default); border-radius: var(--radius-lg); padding: var(--space-7);
  box-shadow: var(--shadow-sm); transform: translateY(0);
  transition: var(--t-transform), border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.semai-card--flush { padding: 0; }
.semai-card--glow { border-color: var(--border-accent); box-shadow: var(--glow-sm), var(--shadow-md); }
.semai-card--interactive { cursor: pointer; }
.semai-card--interactive:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* -------------------------------- Avatar -------------------------------- */
.semai-avatar {
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden;
  border-radius: 50%; font-weight: var(--fw-semibold); font-family: var(--font-sans); user-select: none;
}
.semai-avatar--square { border-radius: var(--radius-md); }
.semai-avatar--initials { background: var(--surface-3); color: var(--text-body); border: 1px solid var(--border-default); }
.semai-avatar--model { background: var(--grad-violet); color: #fff; box-shadow: var(--glow-sm); }
.semai-avatar__glyph { width: 36%; height: 36%; border-radius: 3px; background: rgba(255,255,255,0.92); box-shadow: 0 0 10px rgba(255,255,255,0.5); }

/* ----------------------------- CitationChip ----------------------------- */
.semai-citation-chip {
  display: inline-flex; align-items: center; gap: 7px; height: 26px; padding: 0 10px 0 7px;
  border-radius: var(--radius-pill); background: rgba(255,255,255,0.04); border: 1px solid var(--border-default);
  color: var(--text-muted); font-size: 12.5px; white-space: nowrap;
}
.semai-citation-chip--brand { background: var(--accent-tint); border-color: var(--border-accent); color: var(--violet-100); box-shadow: var(--glow-sm); }
.semai-citation-chip__idx {
  display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; border-radius: 50%;
  background: var(--surface-3); color: var(--text-faint); font-family: var(--font-mono); font-size: 10px; font-weight: 600;
}
.semai-citation-chip--brand .semai-citation-chip__idx { background: var(--accent); color: #fff; }
.semai-citation-chip__domain { font-family: var(--font-mono); letter-spacing: 0.01em; }
.semai-citation-chip__check { flex-shrink: 0; }

/* ------------------------------- AnswerCard ------------------------------- */
.semai-answercard {
  position: relative; background: var(--surface-1); background-image: var(--grad-surface);
  border: 1px solid var(--border-default); border-radius: var(--radius-lg); padding: var(--space-7);
  box-shadow: var(--shadow-md); max-width: 560px;
}
.semai-answercard--stage { max-width: none; text-align: left; height: 100%; display: flex; flex-direction: column; }
.semai-answercard__body { display: flex; gap: 12px; }
.semai-answercard__content { flex: 1; min-width: 0; }
.semai-answercard__modelrow { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.semai-answercard__modelname { font-size: 13px; font-weight: var(--fw-semibold); color: var(--text-strong); }
.semai-answercard__live { width: 5px; height: 5px; border-radius: 50%; background: var(--positive); box-shadow: 0 0 8px rgba(62,207,142,0.7); }
.semai-answercard__text { font-size: 14.5px; line-height: 1.62; color: var(--text-body); }
.semai-answercard__text mark {
  background: var(--accent-tint-strong); color: var(--violet-100); padding: 1px 5px; border-radius: 4px;
  box-shadow: inset 0 0 0 1px var(--border-accent);
}
.semai-answercard__citations { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.semai-answercard__thinking { display: inline-flex; gap: 5px; align-items: center; }
.semai-answercard__thinking span { width: 6px; height: 6px; border-radius: 50%; background: var(--text-faint); animation: semai-pulse 1.1s ease-in-out infinite; }
.semai-answercard__thinking span:nth-child(2) { animation-delay: .16s; }
.semai-answercard__thinking span:nth-child(3) { animation-delay: .32s; }

/* -------------------------------- MetricStat -------------------------------- */
.semai-metric { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.semai-metric--center { text-align: center; }
.semai-metric__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); }
.semai-metric__row { display: flex; align-items: baseline; gap: 6px; }
.semai-metric--center .semai-metric__row { justify-content: center; }
.semai-metric__value { font-family: var(--font-mono); font-size: 34px; font-weight: var(--fw-semibold); color: var(--text-strong); letter-spacing: -0.02em; line-height: 1; }
.semai-metric__unit { font-family: var(--font-mono); font-size: 15px; color: var(--text-muted); }
.semai-metric__meta { display: flex; align-items: center; gap: 8px; }
.semai-metric--center .semai-metric__meta { justify-content: center; }
.semai-metric__delta { display: inline-flex; align-items: center; gap: 3px; font-family: var(--font-mono); font-size: 12.5px; color: var(--positive); }
.semai-metric__delta--down { color: var(--risk); }
.semai-metric__delta--down svg { transform: scaleY(-1); }
.semai-metric__hint { font-size: 12.5px; color: var(--text-faint); }

/* ----------------------------- VisibilityMeter ----------------------------- */
.semai-vismeter { display: flex; flex-direction: column; gap: 14px; }
.semai-vismeter__head { display: flex; align-items: baseline; justify-content: space-between; }
.semai-vismeter__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); }
.semai-vismeter__score { font-family: var(--font-mono); font-size: 22px; font-weight: 600; color: var(--text-strong); }
.semai-vismeter__max { font-size: 13px; color: var(--text-faint); }
.semai-vismeter__models { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.semai-vismeter__row { display: grid; grid-template-columns: 96px 1fr 34px; align-items: center; gap: 12px; }
.semai-vismeter__model { font-size: 13px; color: var(--text-muted); }
.semai-vismeter__modelscore { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-body); text-align: right; }

.semai-track { position: relative; height: 10px; border-radius: 999px; background: var(--surface-inset); border: 1px solid var(--border-subtle); overflow: hidden; }
.semai-track--thin { height: 6px; }
.semai-track__fill { position: absolute; left: 0; top: 0; bottom: 0; background: var(--grad-violet); border-radius: 999px; box-shadow: 0 0 16px var(--accent-glow); transition: width var(--dur-slower) var(--ease-out); }
.semai-track--perf .semai-track__fill { background: var(--grad-perf); box-shadow: none; transition: none; }

/* -------------------------------- ProductCard -------------------------------- */
.semai-product-card {
  position: relative; display: flex; flex-direction: column; gap: 14px; padding: var(--space-7);
  background: var(--surface-1); background-image: var(--grad-surface); border: 1px solid var(--border-default);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  transition: var(--t-transform), border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
  cursor: pointer; min-height: 200px; height: 100%;
}
.semai-product-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.semai-product-card--featured { border-color: var(--border-accent); box-shadow: var(--glow-sm), var(--shadow-md); }
.semai-product-card--featured:hover { border-color: var(--border-accent); box-shadow: var(--glow-sm), var(--shadow-md); }
.semai-product-card__top { display: flex; align-items: center; justify-content: space-between; }
.semai-product-card__icon { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: var(--radius-md); background: var(--accent-tint); border: 1px solid var(--border-accent); color: var(--text-accent); }
.semai-product-card__flag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-accent); }
.semai-product-card__body { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.semai-product-card__body h3 { margin: 0; font: var(--text-h3); color: var(--text-strong); letter-spacing: var(--ls-snug); }
.semai-product-card__body p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--text-muted); }
.semai-product-card__foot { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--hairline); }
.semai-product-card__foot span { font-size: 12.5px; color: var(--text-faint); }
.semai-product-card__foot svg { stroke: var(--text-accent); transition: var(--t-transform); }
.semai-product-card:hover .semai-product-card__foot svg { transform: translateX(3px); }

/* ---------------------------- SygnetMark (small) ---------------------------- */
.semai-sygnet-mark { position: relative; width: var(--syg); height: var(--syg); display: grid; place-items: center; margin: 0 auto; }
.semai-sygnet-mark__glow { position: absolute; inset: -30%; background: radial-gradient(circle, rgba(139,63,212,0.5), rgba(139,63,212,0) 62%); animation: semai-breathe 4.6s var(--ease-in-out) infinite; filter: blur(6px); }
.semai-sygnet-mark__ping { position: absolute; width: calc(var(--syg) * 0.66); height: calc(var(--syg) * 0.66); border-radius: 50%; border: 1px solid rgba(171,101,214,0.5); animation: semai-ping 4.2s var(--ease-out) infinite; }
.semai-sygnet-mark__ping--1 { animation-delay: 0s; }
.semai-sygnet-mark__ping--2 { animation-delay: 1.4s; }
.semai-sygnet-mark__ping--3 { animation-delay: 2.8s; }
.semai-sygnet-mark__ring { position: absolute; width: var(--syg); height: var(--syg); animation: semai-ring-rotate 22s linear infinite; opacity: 0.5; }
.semai-sygnet-mark__glyph { position: relative; width: calc(var(--syg) * 0.52); filter: drop-shadow(0 6px 20px rgba(139,63,212,0.55)); display: block; }

/* -------------------------- SygnetShowcase (cinematic) -------------------------- */
.semai-syg { position: relative; width: var(--syg); height: var(--syg); display: grid; place-items: center; margin: 0 auto; }
.semai-syg__spotlight { position: absolute; inset: -28%; background: radial-gradient(circle at 50% 42%, rgba(139,63,212,0.42), rgba(139,63,212,0.10) 40%, rgba(139,63,212,0) 66%); filter: blur(4px); }
.semai-syg__halo { position: absolute; width: calc(var(--syg) * 0.92); height: calc(var(--syg) * 0.92); border-radius: 50%; background: conic-gradient(from 0deg, rgba(107,45,217,0) 0deg, rgba(171,101,214,0.55) 90deg, rgba(209,166,255,0.15) 160deg, rgba(107,45,217,0) 250deg); animation: semai-conic-spin 14s linear infinite; filter: blur(14px); opacity: 0.8; }
.semai-syg__core-glow { position: absolute; width: calc(var(--syg) * 0.5); height: calc(var(--syg) * 0.5); border-radius: 50%; background: radial-gradient(circle, rgba(171,101,214,0.55), rgba(171,101,214,0) 68%); animation: semai-breathe 4.6s var(--ease-in-out) infinite; }
.semai-syg__ping { position: absolute; width: calc(var(--syg) * 0.5); height: calc(var(--syg) * 0.5); border-radius: 50%; border: 1px solid rgba(171,101,214,0.45); animation: semai-ping 4.5s var(--ease-out) infinite; }
.semai-syg__ping--1 { animation-delay: 0s; }
.semai-syg__ping--2 { animation-delay: 1.5s; }
.semai-syg__ping--3 { animation-delay: 3s; }
.semai-syg__ring-outer { position: absolute; width: var(--syg); height: var(--syg); animation: semai-ring-rotate 30s linear infinite; opacity: 0.55; }
.semai-syg__ring-mid { position: absolute; width: calc(var(--syg) * 0.78); height: calc(var(--syg) * 0.78); animation: semai-ring-rotate-rev 24s linear infinite; }
.semai-syg__sat { position: absolute; }
.semai-syg__sat--1 { width: calc(var(--syg) * 0.6); height: calc(var(--syg) * 0.6); animation: semai-orbit 9s linear infinite; }
.semai-syg__sat--1 span { position: absolute; top: -3px; left: 50%; width: 7px; height: 7px; margin-left: -3.5px; border-radius: 50%; background: var(--violet-200); box-shadow: 0 0 12px rgba(209,166,255,0.9); }
.semai-syg__sat--2 { width: calc(var(--syg) * 0.82); height: calc(var(--syg) * 0.82); animation: semai-ring-rotate-rev 13s linear infinite; }
.semai-syg__sat--2 span { position: absolute; top: -2.5px; left: 50%; width: 5px; height: 5px; margin-left: -2.5px; border-radius: 50%; background: var(--violet-300); box-shadow: 0 0 10px rgba(171,101,214,0.9); }
.semai-syg__sat--3 { width: calc(var(--syg) * 0.44); height: calc(var(--syg) * 0.44); animation: semai-orbit 6s linear infinite reverse; }
.semai-syg__sat--3 span { position: absolute; top: -2px; left: 50%; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: #fff; box-shadow: 0 0 8px rgba(255,255,255,0.9); }
.semai-syg__sweep {
  position: absolute; width: calc(var(--syg) * 0.6); height: calc(var(--syg) * 0.6); border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(209,166,255,0.5), rgba(209,166,255,0) 22%);
  animation: semai-conic-spin 3.6s linear infinite; mix-blend-mode: screen; opacity: 0.55;
  -webkit-mask-image: radial-gradient(circle, transparent 30%, #000 31%, #000 100%);
  mask-image: radial-gradient(circle, transparent 30%, #000 31%, #000 100%);
}
.semai-syg__glyph { position: relative; width: calc(var(--syg) * 0.46); filter: drop-shadow(0 10px 34px rgba(139,63,212,0.6)); animation: semai-breathe 4.6s var(--ease-in-out) infinite; display: block; }
.semai-syg__floor { position: absolute; bottom: calc(var(--syg) * 0.06); width: calc(var(--syg) * 0.5); height: calc(var(--syg) * 0.18); background: radial-gradient(50% 100% at 50% 0%, rgba(139,63,212,0.35), rgba(139,63,212,0) 72%); filter: blur(6px); }