:root,
[data-theme="dark"] {
  --bg0: #0f1412;
  --bg1: #1a2420;
  --panel: rgba(232, 240, 234, 0.07);
  --panel-solid: #18211d;
  --panel-border: rgba(232, 240, 234, 0.12);
  --text: #eef4f0;
  --muted: #9aada3;
  --accent: #e8a54b;
  --accent-ink: #1a1206;
  --accent-2: #3ecf8e;
  --like: #ff6b8a;
  --danger: #ff7a7a;
  --input-bg: rgba(0, 0, 0, 0.28);
  --choice-bg: rgba(0, 0, 0, 0.2);
  --chip-bg: rgba(255, 255, 255, 0.06);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
  --glow-a: rgba(232, 165, 75, 0.22);
  --glow-b: rgba(62, 207, 142, 0.14);
  --grad: linear-gradient(165deg, #121a17 0%, #0f1412 45%, #151c19 100%);
  --radius: 18px;
  --font: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", sans-serif;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg0: #e7eee9;
  --bg1: #f4f8f5;
  --panel: rgba(255, 255, 255, 0.72);
  --panel-solid: #ffffff;
  --panel-border: rgba(20, 40, 32, 0.1);
  --text: #142820;
  --muted: #5d7268;
  --accent: #c47a1a;
  --accent-ink: #fff8ee;
  --accent-2: #0f9a62;
  --like: #e11d48;
  --danger: #d93848;
  --input-bg: rgba(255, 255, 255, 0.9);
  --choice-bg: rgba(20, 40, 32, 0.04);
  --chip-bg: rgba(20, 40, 32, 0.06);
  --shadow: 0 14px 36px rgba(20, 40, 32, 0.1);
  --glow-a: rgba(196, 122, 26, 0.18);
  --glow-b: rgba(15, 154, 98, 0.12);
  --grad: linear-gradient(165deg, #eef4f0 0%, #e3ebe6 50%, #dfeae3 100%);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg0);
  transition: background-color 0.35s ease, color 0.35s ease;
}

body {
  min-height: 100dvh;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, var(--glow-a), transparent 55%),
    radial-gradient(ellipse 70% 45% at 100% 0%, var(--glow-b), transparent 50%),
    var(--grad);
  transition: opacity 0.35s ease;
}

.fx-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  overflow: hidden;
}

.chrome {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 40;
}

.conn-banner {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 45;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: color-mix(in srgb, var(--panel-solid) 92%, transparent);
  box-shadow: var(--shadow);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  max-width: calc(100vw - 88px);
}

.conn-banner[hidden] {
  display: none !important;
}

.conn-banner.is-error {
  border-color: color-mix(in srgb, var(--danger) 45%, var(--panel-border));
  color: var(--danger);
}

.conn-spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--accent-2) 25%, transparent);
  border-top-color: var(--accent-2);
  animation: conn-spin 0.7s linear infinite;
  flex-shrink: 0;
}

.conn-banner.is-error .conn-spinner {
  border-color: color-mix(in srgb, var(--danger) 25%, transparent);
  border-top-color: var(--danger);
}

@keyframes conn-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .conn-spinner {
    animation: none;
    border-top-color: inherit;
    opacity: 0.7;
  }
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text);
  backdrop-filter: blur(10px);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, background 0.25s ease, border-color 0.25s ease;
}

.icon-btn:hover {
  transform: translateY(-1px);
}

.icon-btn:active {
  transform: scale(0.96);
}

[data-theme="dark"] .icon-sun {
  display: none;
}

[data-theme="light"] .icon-moon {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

#app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.screen {
  animation: screen-in 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.screen[hidden] {
  display: none !important;
}

@keyframes screen-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.brand {
  margin: 0 0 12px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  animation: fade-up 0.5s ease both;
}

.brand-sm {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.join-panel {
  min-height: calc(100dvh - 48px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 420px;
}

.join-panel h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 6vw, 2.75rem);
  line-height: 1.15;
  font-weight: 750;
  letter-spacing: -0.03em;
  animation: fade-up 0.55s 0.05s ease both;
}

.sub,
.muted {
  color: var(--muted);
  line-height: 1.5;
}

.join-panel .sub {
  animation: fade-up 0.55s 0.1s ease both;
}

#join-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
  animation: fade-up 0.55s 0.16s ease both;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

input[type="text"],
textarea {
  width: 100%;
  border: 1px solid var(--panel-border);
  background: var(--input-bg);
  color: var(--text);
  border-radius: 12px;
  padding: 14px 16px;
  font: inherit;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.25s ease;
}

input[type="text"]:focus,
textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 70%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

button {
  border: 0;
  border-radius: 12px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-ink);
  transition: transform 0.15s ease, filter 0.15s ease, box-shadow 0.2s ease, background 0.25s ease,
    color 0.25s ease, border-color 0.25s ease;
}

.btn-primary {
  box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 28%, transparent);
}

button:hover {
  filter: brightness(1.05);
}

button:active {
  transform: scale(0.98);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--panel-border);
  box-shadow: none;
}

button.ghost.danger {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 45%, var(--panel-border));
}

.session-actions {
  margin-top: 28px;
  padding-top: 8px;
  display: flex;
  justify-content: flex-end;
}

.error {
  margin: 12px 0 0;
  color: var(--danger);
  font-size: 0.92rem;
  animation: shake 0.35s ease;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  padding-right: 52px;
}

.who {
  margin: 4px 0 0;
  font-size: 1.05rem;
}

.badge-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-2) 18%, transparent);
  color: var(--accent-2);
  font-size: 0.8rem;
  font-weight: 700;
}

.badge.admin {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent);
}

.count {
  font-size: 0.85rem;
  color: var(--muted);
}

.card-block {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  animation: rise 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.card-block h2 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.card-block.wait {
  text-align: center;
  padding-block: 36px;
}

.card-block.wait h2,
.card-block.done h2 {
  color: var(--accent-2);
}

.pulse-dot {
  width: 10px;
  height: 10px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-2) 55%, transparent);
  animation: pulse 1.8s ease-out infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-2) 45%, transparent);
  }
  70% {
    box-shadow: 0 0 0 14px transparent;
  }
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
}

.q-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.q-meta h2 {
  margin: 0;
}

.label {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.like-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--like) 10%, transparent);
  color: var(--like);
  border: 1px solid color-mix(in srgb, var(--like) 28%, transparent);
  box-shadow: none;
  font-size: 0.9rem;
  line-height: 1;
}

.like-btn .heart {
  display: inline-block;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.like-btn[aria-pressed="true"] {
  background: color-mix(in srgb, var(--like) 22%, transparent);
}

.like-btn[aria-pressed="true"] .heart {
  transform: scale(1.18);
}

.like-btn.pop .heart {
  animation: heart-pop 0.35s ease;
}

@keyframes heart-pop {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.35);
  }
  100% {
    transform: scale(1.18);
  }
}

.float-heart {
  position: absolute;
  color: var(--like);
  font-size: 1.1rem;
  animation: float-up 0.9s ease-out forwards;
  text-shadow: 0 4px 12px color-mix(in srgb, var(--like) 40%, transparent);
}

@keyframes float-up {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0.6);
  }
  20% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(-72px) scale(1.15);
  }
}

#player-q-text {
  margin: 0 0 20px;
  font-size: clamp(1.25rem, 4vw, 1.6rem);
  line-height: 1.35;
}

#answer-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.choices {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.choices label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: var(--choice-bg);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.choices label:hover {
  transform: translateX(2px);
}

.choices label:has(input:checked) {
  border-color: color-mix(in srgb, var(--accent) 70%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 860px) {
  .admin-grid {
    grid-template-columns: 280px 1fr;
  }

  .admin-grid .wide {
    grid-column: 1 / -1;
  }
}

.qr-wrap {
  margin: 16px 0 12px;
}

.qr-img {
  display: block;
  background: #fff;
  border-radius: 12px;
  padding: 10px;
  width: 180px;
  height: 180px;
  object-fit: contain;
}

.url {
  margin: 0;
  font-size: 0.82rem;
  word-break: break-all;
  color: var(--muted);
}

#question-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
}

#question-form > label,
#options-wrap > label {
  font-size: 0.85rem;
  color: var(--muted);
}

fieldset {
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  margin: 0;
  padding: 12px 14px;
}

legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.85rem;
}

.radio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 16px;
  cursor: pointer;
}

#options-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 8px 0;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.answers-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.head-stats {
  display: flex;
  align-items: center;
  gap: 10px;
}

.live-q {
  margin: 0 0 16px;
  white-space: pre-wrap;
}

.answers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.answers li {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 10px;
  align-items: start;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--choice-bg);
  border: 1px solid transparent;
  animation: rise 0.3s ease both;
}

.accept-btn {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--panel-border);
  box-shadow: none;
  white-space: nowrap;
}

.accept-btn.on {
  background: color-mix(in srgb, var(--accent-2) 18%, transparent);
  color: var(--accent-2);
  border-color: color-mix(in srgb, var(--accent-2) 40%, transparent);
}

.answers li .rank {
  color: var(--accent);
  font-weight: 800;
}

.answers li .name {
  font-weight: 700;
}

.answers li .ans {
  margin-top: 2px;
  color: var(--text);
  word-break: break-word;
}

.answers li .time {
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.users {
  list-style: none;
  margin: 20px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--panel-border);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.users li {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--chip-bg);
  font-size: 0.85rem;
  color: var(--muted);
  animation: fade-up 0.3s ease both;
}

.users li.admin-user {
  color: var(--accent);
}

.score-like {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.score-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 800;
}

.phase-pill {
  display: inline-flex;
  margin: 0 0 14px;
  padding: 6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-2) 16%, transparent);
  color: var(--accent-2);
  font-size: 0.82rem;
  font-weight: 700;
}

.reveal-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--panel-border);
}

.reveal-box {
  margin-top: 14px;
  padding: 14px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}

.result-line {
  margin: 8px 0 0;
  font-weight: 800;
}

.result-line.ok {
  color: var(--accent-2);
}

.result-line.no {
  color: var(--danger);
}

.live-correct {
  margin: -8px 0 14px;
  font-weight: 800;
  color: var(--accent);
}

.answers li.correct {
  border-color: color-mix(in srgb, var(--accent-2) 45%, transparent);
  background: color-mix(in srgb, var(--accent-2) 10%, transparent);
}

.answers li.wrong {
  opacity: 0.72;
}

.scoreboard {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scoreboard li {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--choice-bg);
}

.scoreboard li.empty {
  grid-template-columns: 1fr;
  color: var(--muted);
}

.sb-rank {
  color: var(--accent);
  font-weight: 800;
}

.sb-name {
  font-weight: 650;
}

.sb-score {
  font-weight: 800;
  color: var(--accent-2);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .pulse-dot {
    box-shadow: none;
  }
}