/* Design tokens — voting-app stadium-night redesign
 * Mobile-first, dark-mode aware. Pair with Anton + Noto Sans JP + JetBrains Mono.
 */

:root {
  /* ── Brand ─────────────────────────────────────────────── */
  --color-primary: #B91A2E;
  --color-primary-deep: #7e0d1b;
  --color-gold: #E5B53A;

  /* ── Surface (light) ───────────────────────────────────── */
  --color-bg: #FAF7F2;
  --color-bg-elev: #FFFFFF;
  --color-bg-card: #FFFFFF;
  --color-ink: #0E0E10;
  --color-ink-2: #4a4a52;
  --color-ink-3: #8a8a92;
  --color-line: rgba(14, 14, 16, 0.10);
  --color-line-strong: rgba(14, 14, 16, 0.20);
  --color-field-bg: #F1ECE3;

  /* ── Type ──────────────────────────────────────────────── */
  --font-display: 'Anton', 'Noto Sans JP', system-ui, sans-serif;
  --font-body: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* ── Layout ────────────────────────────────────────────── */
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --pad: 20px;
  --gap: 16px;

  /* ── Shadow ────────────────────────────────────────────── */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px -8px rgba(0, 0, 0, 0.18);
  --shadow-lg: 0 24px 50px -12px rgba(0, 0, 0, 0.35);
}

/* ── Dark mode ─────────────────────────────────────────────── */
:root[data-theme="dark"],
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0E0E10;
    --color-bg-elev: #19191D;
    --color-bg-card: #1F1F24;
    --color-ink: #F5F2EC;
    --color-ink-2: #B8B3AA;
    --color-ink-3: #6E6A65;
    --color-line: rgba(255, 255, 255, 0.08);
    --color-line-strong: rgba(255, 255, 255, 0.18);
    --color-field-bg: #26262C;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px -8px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 24px 50px -12px rgba(0, 0, 0, 0.7);
  }
}

/* ── Density modifier ──────────────────────────────────────── */
[data-density="compact"] {
  --gap: 10px;
  --pad: 14px;
  --radius: 14px;
}

/* ── Base reset ────────────────────────────────────────────── */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ── Type primitives ───────────────────────────────────────── */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 0.92;
}
.mono {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum';
}

/* ── Layout primitives ─────────────────────────────────────── */
.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
}

/* ── Club hero (survey & vote) — crest-forward ────────────── */
.club-hero {
  position: relative;
  text-align: center;
  padding: 24px var(--pad) 22px;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--color-primary) 8%, var(--color-bg)) 0%,
      var(--color-bg) 100%),
    repeating-linear-gradient(90deg,
      transparent 0,
      transparent 38px,
      color-mix(in oklab, var(--color-primary) 6%, transparent) 38px,
      color-mix(in oklab, var(--color-primary) 6%, transparent) 76px);
}
.club-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg,
    transparent 0%, var(--color-gold) 20%, var(--color-gold) 80%, transparent 100%);
}
.club-hero::after {
  content: '';
  position: absolute;
  top: -40px; left: 50%;
  width: 320px; height: 320px;
  transform: translateX(-50%);
  background: radial-gradient(circle, color-mix(in oklab, var(--color-gold) 28%, transparent) 0%, transparent 60%);
  z-index: -1;
  pointer-events: none;
}
:root[data-theme="dark"] .club-hero,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .club-hero {
    background:
      linear-gradient(180deg,
        color-mix(in oklab, var(--color-primary) 16%, var(--color-bg)) 0%,
        var(--color-bg) 100%),
      repeating-linear-gradient(90deg,
        transparent 0,
        transparent 38px,
        color-mix(in oklab, var(--color-primary) 10%, transparent) 38px,
        color-mix(in oklab, var(--color-primary) 10%, transparent) 76px);
  }
}

.club-hero-crest {
  width: 156px;
  height: 156px;
  margin: 4px auto 12px;
  display: grid;
  place-items: center;
  animation: club-crest-in 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes club-crest-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.85); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.club-hero-crest img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter:
    drop-shadow(0 6px 14px rgba(0,0,0,0.20))
    drop-shadow(0 0 24px color-mix(in oklab, var(--color-gold) 30%, transparent));
}

.club-hero-name {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  margin-bottom: 18px;
}
.club-hero-name-jp {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  line-height: 1;
}
.club-hero-name-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-ink-3);
  text-transform: uppercase;
}

.club-hero h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 38px;
  line-height: 0.92;
  margin: 0 0 10px;
  color: var(--color-ink);
}
.club-hero h1 small {
  display: block;
  font-size: 14px;
  font-family: var(--font-body);
  font-weight: 500;
  margin-top: 8px;
  color: var(--color-ink-2);
}
.club-hero .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 5px 12px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  margin: 0 auto 10px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--color-ink);
  backdrop-filter: blur(6px);
}
.club-hero .hero-eyebrow .live-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-gold);
  animation: pulse 1.6s ease-out infinite;
}
:root[data-theme="dark"] .club-hero .hero-eyebrow,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .club-hero .hero-eyebrow {
    background: rgba(0, 0, 0, 0.5);
    color: var(--color-ink);
  }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(229,181,58,0.65); }
  70% { box-shadow: 0 0 0 8px rgba(229,181,58,0); }
  100% { box-shadow: 0 0 0 0 rgba(229,181,58,0); }
}

.club-hero .match-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-ink-2);
}
.club-hero .match-meta .dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--color-ink-3);
}

/* Slim variant (vote screen) — large crest + horizontal text */
.club-hero.club-hero-slim {
  padding: 16px var(--pad) 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
}
.club-hero.club-hero-slim::after {
  width: 240px;
  height: 240px;
  top: -90px;
  left: 22%;
}
.club-hero-crest-sm {
  width: 116px;
  height: 116px;
  margin: 0;
  flex-shrink: 0;
}
.club-hero-slim-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.club-hero.club-hero-slim .hero-eyebrow {
  margin: 0;
  justify-content: flex-start;
}
.club-hero.club-hero-slim h1 {
  margin: 0;
  text-align: left;
  font-size: 28px;
  line-height: 1;
  color: var(--color-ink);
}
.club-hero.club-hero-slim h1 small {
  font-size: 12px;
  margin-top: 4px;
  text-align: left;
  color: var(--color-ink-2);
}

/* ── Flow guide (survey screen) — 1→2→3 step preview ──────── */
.flow-guide {
  display: flex;
  align-items: stretch;
  gap: 6px;
  padding: 14px var(--pad) 6px;
}
.flow-step {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  background: var(--color-bg-card);
  border: 1.5px solid var(--color-line);
  border-radius: 12px;
  min-width: 0;
}
.flow-step[data-active="true"] {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-bg);
}
.flow-step .n {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--color-field-bg);
  color: var(--color-ink-2);
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}
.flow-step[data-active="true"] .n {
  background: var(--color-gold);
  color: var(--color-ink);
}
.flow-step .t { display: flex; flex-direction: column; min-width: 0; line-height: 1.1; }
.flow-step .h {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.flow-step .s {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  color: var(--color-ink-3);
  letter-spacing: 0.05em;
  margin-top: 2px;
}
.flow-step[data-active="true"] .s { color: color-mix(in oklab, var(--color-bg) 70%, transparent); }
.flow-arrow {
  display: grid;
  place-items: center;
  color: var(--color-ink-3);
  font-family: var(--font-mono);
  font-size: 14px;
  flex-shrink: 0;
}

.steps {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px var(--pad) 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-ink-3);
}
.step-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--color-field-bg);
  white-space: nowrap;
}
.step-pill[data-active="true"] {
  background: var(--color-ink);
  color: var(--color-bg);
}
.step-line { flex: 1; height: 1px; background: var(--color-line); }

/* ── Section ───────────────────────────────────────────────── */
.section { padding: 22px var(--pad) 4px; }
.section-h {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 10px;
}
.section-h .label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.section-h .num {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--color-primary);
  line-height: 1;
}
.section-h .title-col {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.section-h .title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.section-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-ink-3);
  letter-spacing: 0.01em;
  line-height: 1.35;
}
.section-h .hint {
  font-size: 11px;
  color: var(--color-ink-3);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.req-tag, .opt-tag {
  font-size: 9px;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.1em;
  margin-left: 6px;
  white-space: nowrap;
  display: inline-block;
  vertical-align: middle;
}
.req-tag {
  color: var(--color-primary);
  background: color-mix(in oklab, var(--color-primary) 12%, transparent);
}
.opt-tag {
  color: var(--color-ink-3);
  background: var(--color-field-bg);
}

/* ── Position filter tabs (vote screen) ───────────────────── */
.pos-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  padding: 0 var(--pad) 14px;
}
.pos-tab {
  appearance: none;
  background: var(--color-bg-card);
  border: 1.5px solid var(--color-line);
  border-radius: 10px;
  padding: 9px 4px 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-ink-2);
  transition: all 0.15s ease;
}
.pos-tab .count {
  font-size: 10px;
  font-weight: 500;
  color: var(--color-ink-3);
  letter-spacing: 0.04em;
}
.pos-tab:hover { border-color: var(--color-line-strong); }
.pos-tab[data-selected="true"] {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-bg);
}
.pos-tab[data-selected="true"] .count {
  color: color-mix(in oklab, var(--color-bg) 70%, transparent);
}

/* ── CTA ───────────────────────────────────────────────────── */
.cta {
  width: 100%;
  height: 56px;
  border-radius: 16px;
  border: none;
  background: var(--color-ink);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.cta:disabled { opacity: 0.35; cursor: not-allowed; }
.cta:not(:disabled):active { transform: scale(0.98); }
.cta-primary { background: var(--color-primary); color: #fff; }
.cta-secondary { background: var(--color-field-bg); color: var(--color-ink); }

/* ── Foot mark ─────────────────────────────────────────────── */
.foot-mark {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px var(--pad) 16px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--color-ink-3);
  text-transform: uppercase;
}
.foot-mark .crest {
  width: 14px; height: 14px;
  background: var(--color-primary);
  border-radius: 2px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}

/* ── School / affiliation mark ────────────────────────────── */
.school-mark {
  display: flex;
  justify-content: center;
  padding: 22px var(--pad) 4px;
}
.school-mark img {
  width: auto;
  max-width: min(260px, 70%);
  height: auto;
}
:root[data-theme="dark"] .school-mark img,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .school-mark img {
    /* ロゴが濃色前提のため、ダークテーマでは明度を上げて視認性を確保 */
    filter: brightness(0) invert(1);
  }
}

/* ── Thanks screen — DRAMATIC hero ────────────────────────── */
.thanks-hero {
  position: relative;
  padding: 38px 20px 0;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% 0%, color-mix(in oklab, var(--color-primary) 22%, transparent) 0%, transparent 55%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg) 100%);
  isolation: isolate;
}
.thanks-burst {
  position: absolute;
  top: 50%; left: 50%;
  width: 130%; height: 130%;
  transform: translate(-50%, -45%);
  z-index: -1;
  opacity: 0.75;
  animation: thanks-spin 60s linear infinite;
}
@keyframes thanks-spin {
  to { transform: translate(-50%, -45%) rotate(360deg); }
}
.thanks-crest-wrap {
  position: relative;
  width: 132px;
  height: 132px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  animation: thanks-crest-in 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes thanks-crest-in {
  0% { opacity: 0; transform: scale(0.5) rotate(-10deg); }
  100% { opacity: 1; transform: scale(1) rotate(0); }
}
.thanks-crest-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid color-mix(in oklab, var(--color-gold) 70%, transparent);
  animation: thanks-ring-pulse 2.4s ease-in-out infinite;
}
.thanks-crest-ring::after {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1.5px dashed color-mix(in oklab, var(--color-gold) 45%, transparent);
  animation: thanks-spin 20s linear infinite reverse;
}
@keyframes thanks-ring-pulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.06); opacity: 0.35; }
}
.thanks-crest {
  width: 116px; height: 116px;
  object-fit: contain;
  filter:
    drop-shadow(0 6px 16px rgba(0,0,0,0.18))
    drop-shadow(0 0 28px color-mix(in oklab, var(--color-gold) 40%, transparent));
}
.thanks-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-ink);
  color: var(--color-bg);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 18px;
  animation: thanks-eyebrow-in 0.5s ease 0.3s both;
}
@keyframes thanks-eyebrow-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.thanks-eyebrow .pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #7CFFA8;
  box-shadow: 0 0 0 0 #7CFFA8;
  animation: pulse-dot 1.4s ease-out infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(124, 255, 168, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(124, 255, 168, 0); }
  100% { box-shadow: 0 0 0 0 rgba(124, 255, 168, 0); }
}
.thanks-headline {
  font-family: var(--font-display);
  font-size: 96px;
  line-height: 0.86;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-weight: 400;
}
.thanks-headline-line {
  display: block;
  background: linear-gradient(180deg,
    var(--color-ink) 0%,
    var(--color-ink) 55%,
    color-mix(in oklab, var(--color-primary) 80%, var(--color-ink)) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 4px 0 color-mix(in oklab, var(--color-primary) 18%, transparent);
  animation: thanks-line-in 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.thanks-headline-line:nth-child(1) { animation-delay: 0.15s; }
.thanks-headline-line:nth-child(2) { animation-delay: 0.3s; }
@keyframes thanks-line-in {
  from { opacity: 0; transform: translateY(30px) scale(0.92); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.thanks-stamp {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--color-primary);
  padding: 8px 22px;
  border: 2.5px solid var(--color-primary);
  border-radius: 4px;
  transform: rotate(-3deg);
  margin-bottom: 28px;
  position: relative;
  animation: thanks-stamp-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) 0.55s both;
  box-shadow: 0 2px 0 color-mix(in oklab, var(--color-primary) 30%, transparent);
}
.thanks-stamp::before, .thanks-stamp::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 28px; height: 2px;
  background: var(--color-primary);
  transform: translateY(-50%);
}
.thanks-stamp::before { left: -36px; }
.thanks-stamp::after { right: -36px; }
@keyframes thanks-stamp-in {
  0% { opacity: 0; transform: rotate(-3deg) scale(2.5); }
  60% { opacity: 1; transform: rotate(-3deg) scale(0.95); }
  100% { opacity: 1; transform: rotate(-3deg) scale(1); }
}
.thanks-marquee {
  margin: 0 -20px;
  background: var(--color-ink);
  color: var(--color-gold);
  padding: 10px 0;
  overflow: hidden;
  border-top: 2px solid var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  white-space: nowrap;
}
.thanks-marquee-track {
  display: inline-block;
  animation: thanks-marquee 22s linear infinite;
  padding-left: 100%;
}
@keyframes thanks-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}
:root[data-theme="dark"] .thanks-headline-line,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .thanks-headline-line {
    background: linear-gradient(180deg, #fff 0%, #fff 55%, var(--color-gold) 100%);
    -webkit-background-clip: text;
    background-clip: text;
  }
}