@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;700&family=Zen+Old+Mincho:wght@400;700&display=swap');

.uka-app {
  --ink: #1a1208;
  --paper: #f5f0e8;
  --paper-dark: #ede6d4;
  --vermillion: #c0392b;
  --gold: #b8860b;
  --gold-light: #d4a017;
  --indigo: #2c3e6b;
  --green: #2d6a4f;
  --border: rgba(26, 18, 8, 0.15);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
  --radius: 8px;
  --font-serif: 'Zen Old Mincho', 'Noto Serif JP', serif;
  --font-body: 'Noto Serif JP', serif;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(176, 140, 70, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(44, 62, 107, 0.06) 0%, transparent 60%);
}

.uka-app * { box-sizing: border-box; }
.uka-screen { display: none; min-height: 100vh; }
.uka-screen.is-active { display: flex; flex-direction: column; }

.uka-header {
  text-align: center;
  padding: 2rem 1rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(245, 240, 232, 0.9);
  backdrop-filter: blur(4px);
}
.uka-header h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.3em;
}
.uka-header p {
  margin: 0.25rem 0 0;
  color: var(--gold);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
}

.uka-container {
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
  padding: 2rem 1.5rem;
}

.uka-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.uka-card-title {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.uka-app label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  opacity: 0.75;
}

.uka-app input[type="text"],
.uka-app select,
.uka-app textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
}

.uka-app input:focus,
.uka-app select:focus,
.uka-app textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.12);
}

.uka-textarea {
  resize: vertical;
  min-height: 96px;
  font-family: var(--font-serif);
}

.uka-btn-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.uka-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink);
  border-radius: var(--radius);
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  transition: all 0.2s ease;
}
.uka-btn:hover { background: var(--paper-dark); }
.uka-btn:active { transform: scale(0.98); }
.uka-btn[disabled] { opacity: 0.45; cursor: not-allowed; }
.uka-btn-primary { background: var(--indigo); color: #fff; border-color: var(--indigo); }
.uka-btn-primary:hover { background: #3d5299; }
.uka-btn-danger { background: var(--vermillion); color: #fff; border-color: var(--vermillion); }
.uka-btn-gold { background: var(--gold); color: #fff; border-color: var(--gold); }
.uka-btn-gold:hover { background: var(--gold-light); }
.uka-btn-block { width: 100%; }
.uka-btn-lg { font-size: 1.05rem; padding: 1rem 2rem; flex: 1 1 0; }
.uka-btn-sm { font-size: 0.8rem; padding: 0.4rem 0.9rem; }

.uka-room-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  border-radius: 999px;
  padding: 0.5rem 1.25rem;
  background: var(--indigo);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  letter-spacing: 0.3em;
}

.uka-player-list,
.uka-result-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.uka-player-item,
.uka-result-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius);
  background: var(--paper);
  margin-bottom: 0.5rem;
}
.uka-player-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--indigo);
  font-size: 0.8rem;
  font-weight: 700;
}
.uka-player-item.is-host .uka-player-avatar { background: var(--gold); }
.uka-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.uka-badge-gold { background: rgba(184, 134, 11, 0.12); color: var(--gold); }
.uka-badge-indigo { background: rgba(44, 62, 107, 0.12); color: var(--indigo); }

.uka-settings-grid { display: grid; gap: 1rem; }
.uka-setting-row {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(220px, 320px);
  align-items: center;
  gap: 1rem 1.25rem;
}
.uka-setting-label {
  min-width: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  word-break: keep-all;
}
.uka-setting-control {
  min-width: 0;
  justify-self: end;
}
.uka-setting-row > select,
.uka-setting-control > select {
  width: min(320px, 100%);
}
.uka-inline-field {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.uka-inline-field input[type="range"] { width: 120px; }

.uka-toggle {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}
.uka-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.uka-toggle-slider {
  position: absolute;
  inset: 0;
  background: #cfcfcf;
  border-radius: 999px;
  transition: background 0.2s ease;
}
.uka-toggle-slider::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s ease;
}
.uka-toggle input:checked + .uka-toggle-slider { background: var(--indigo); }
.uka-toggle input:checked + .uka-toggle-slider::before { transform: translateX(22px); }

.uka-screen-play {
  position: relative;
  background: var(--paper);
  overflow: hidden;
}
.uka-play-hud {
  position: fixed;
  top: 50%;
  right: 1rem;
  transform: translateY(-50%);
  width: min(320px, calc(100vw - 2rem));
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 100;
  pointer-events: none;
}
.uka-reading-panel {
  background: rgba(26, 18, 8, 0.92);
  color: var(--paper);
  padding: 1rem 1.25rem;
  text-align: left;
  border: 1px solid rgba(184, 134, 11, 0.35);
  border-right: 4px solid var(--gold);
  border-radius: var(--radius);
  pointer-events: all;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}
.uka-reading-small {
  font-size: 0.72rem;
  opacity: 0.65;
  letter-spacing: 0.25em;
  margin-bottom: 0.25rem;
}
.uka-reading-text {
  min-height: 2.2rem;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}
.uka-reading-text.is-highlight { color: var(--gold-light); }
.uka-reading-progress {
  height: 3px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,0.2);
  margin-top: 0.5rem;
}
.uka-reading-progress-bar {
  width: 0%;
  height: 100%;
  background: var(--gold);
  transition: width 0.08s linear;
}

.uka-score-hud {
  display: flex;
  justify-content: flex-start;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0.75rem;
  background: rgba(245, 240, 232, 0.95);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
  pointer-events: all;
  box-shadow: var(--shadow);
}
.uka-score-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
}
.uka-score-chip .count { color: var(--vermillion); font-weight: 700; }
.uka-score-chip.is-penalty { opacity: 0.45; }

.uka-cards-area {
  min-height: 100vh;
  padding: 1rem 352px 2rem 1rem;
}
.uka-cards-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  padding: 1rem;
}
.uka-card-panel {
  aspect-ratio: 2 / 3;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  cursor: pointer;
  transition: all 0.15s ease;
}
.uka-card-panel:hover { transform: translateY(-3px); border-color: var(--gold); box-shadow: 0 6px 16px rgba(0,0,0,0.15); }
.uka-card-panel:active { transform: scale(0.97); }
.uka-card-panel.is-taken {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8) rotate(5deg);
}
.uka-card-panel.is-pending { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.16); }
.uka-card-panel.is-correct { animation: uka-correct 0.5s ease; }
.uka-card-panel.is-wrong { animation: uka-wrong 0.4s ease; }
.uka-card-panel-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  text-align: center;
  height: 90%;
  overflow: hidden;
  color: var(--ink);
  line-height: 1.5;
  font-family: var(--font-serif);
  font-size: clamp(7px, 1.1vw, 11px);
}

@keyframes uka-correct {
  0% { background: #fff; }
  30% { background: rgba(45, 106, 79, 0.25); transform: scale(1.05); }
  100% { background: #fff; }
}
@keyframes uka-wrong {
  0% { background: #fff; }
  25% { background: rgba(192, 57, 43, 0.2); transform: translateX(-4px); }
  75% { background: rgba(192, 57, 43, 0.2); transform: translateX(4px); }
  100% { background: #fff; }
}

.uka-volume-bar {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  background: rgba(26, 18, 8, 0.85);
  color: var(--paper);
  font-size: 0.8rem;
  backdrop-filter: blur(4px);
}
.uka-volume-bar input[type="range"] { width: 80px; }

.uka-penalty-overlay {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 300;
  display: none;
  padding: 1.5rem 2.5rem;
  border-radius: var(--radius);
  background: rgba(192, 57, 43, 0.9);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  text-align: center;
}
.uka-penalty-overlay.is-visible { display: block; animation: uka-penalty 0.3s ease; }
@keyframes uka-penalty {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.7); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.uka-result-item {
  background: var(--paper);
  border: 1px solid var(--border);
  gap: 1rem;
}
.uka-rank {
  min-width: 2.5rem;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
}
.uka-rank.gold { color: var(--gold); }
.uka-rank.silver { color: #7e7e7e; }
.uka-rank.bronze { color: #a0522d; }
.uka-result-name { flex: 1; }
.uka-result-count { color: var(--vermillion); font-weight: 700; font-size: 1.4rem; }

.uka-topline,
.uka-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.uka-section-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.25rem;
}
.uka-deck-grid { display: grid; gap: 0.75rem; }
.uka-deck-panel,
.uka-card-list-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  transition: all 0.15s ease;
  cursor: pointer;
}
.uka-deck-panel {
  padding: 1rem 1.25rem;
}
.uka-deck-panel:hover,
.uka-card-list-item:hover {
  border-color: var(--gold);
  background: var(--paper);
}
.uka-deck-panel.is-selected,
.uka-card-list-item.is-selected {
  border-color: var(--indigo);
  border-width: 2px;
  background: rgba(44, 62, 107, 0.05);
}
.uka-deck-panel h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-serif);
  font-size: 1rem;
}
.uka-deck-panel p {
  margin: 0;
  opacity: 0.65;
  font-size: 0.8rem;
}

.uka-card-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}
.uka-card-list-item {
  padding: 0.75rem;
  font-size: 0.82rem;
}
.uka-card-list-item .name {
  font-size: 0.66rem;
  opacity: 0.6;
  margin-bottom: 4px;
}
.uka-card-list-item .kami {
  color: var(--indigo);
  font-size: 0.75rem;
  line-height: 1.5;
}
.uka-card-list-item .shimo {
  color: var(--vermillion);
  font-size: 0.75rem;
  line-height: 1.5;
  margin-top: 4px;
}

.uka-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.uka-scroll-box {
  max-height: 60vh;
  overflow-y: auto;
}

.uka-divider {
  height: 1px;
  background: var(--border);
  margin: 1rem 0;
}

.uka-modal-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(26, 18, 8, 0.5);
  z-index: 400;
}
.uka-modal-overlay.is-visible { display: flex; }
.uka-modal-box {
  width: min(90vw, 460px);
  max-height: 80vh;
  overflow: auto;
  padding: 2rem;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.uka-modal-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}

.uka-toast-container {
  position: fixed;
  bottom: 4rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.uka-toast {
  background: rgba(26, 18, 8, 0.88);
  color: var(--paper);
  padding: 0.6rem 1.25rem;
  border-radius: 999px;
  font-size: 0.85rem;
  animation: uka-toast-in 0.3s ease, uka-toast-out 0.3s 2.5s ease forwards;
}
@keyframes uka-toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes uka-toast-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

.uka-center { text-align: center; }
.uka-text-small { font-size: 0.82rem; opacity: 0.6; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.uka-empty {
  padding: 1rem;
  text-align: center;
  opacity: 0.65;
}

.uka-room-input {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 1.4rem;
  text-align: center;
}


body.admin-bar .uka-play-hud { top: 50%; }

@media (max-width: 1100px) {
  .uka-play-hud {
    width: min(280px, calc(100vw - 2rem));
  }
  .uka-cards-area {
    padding-right: 312px;
  }
}

@media (max-width: 860px) {
  .uka-two-col { grid-template-columns: 1fr; }
  .uka-setting-row {
    grid-template-columns: minmax(120px, 1fr) minmax(180px, 260px);
  }
  .uka-play-hud {
    width: min(240px, calc(100vw - 1rem));
    right: 0.5rem;
  }
  .uka-cards-area {
    padding-right: 260px;
  }
}
@media (max-width: 600px) {
  .uka-header {
    padding: 1.25rem 0.75rem 0.85rem;
  }
  .uka-header h1 {
    font-size: 1.7rem;
    letter-spacing: 0.18em;
  }
  .uka-header p {
    font-size: 0.72rem;
    letter-spacing: 0.16em;
  }
  .uka-container {
    padding: 1rem 0.75rem 1.25rem;
  }
  .uka-card,
  .uka-modal-box {
    padding: 1rem;
  }
  .uka-room-badge {
    font-size: 1.1rem;
    letter-spacing: 0.18em;
    padding: 0.45rem 0.9rem;
  }
  .uka-btn-row,
  .uka-topline,
  .uka-panel-head {
    flex-direction: column;
    align-items: stretch;
  }
  .uka-btn-row > .uka-btn {
    width: 100%;
    flex: 1 1 auto;
  }
  .uka-setting-row {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 0.45rem;
  }
  .uka-setting-control,
  .uka-setting-row > select {
    justify-self: stretch;
    width: 100%;
  }
  .uka-inline-field {
    justify-content: space-between;
  }
  .uka-two-col,
  .uka-card-list-grid {
    grid-template-columns: 1fr;
  }
  .uka-scroll-box {
    max-height: none;
  }

  /* smartphone play layout */
  .uka-play-hud {
    top: auto;
    right: 0.5rem;
    left: 0.5rem;
    bottom: 4.75rem;
    transform: none;
    width: auto;
    gap: 0.5rem;
  }
  body.admin-bar .uka-play-hud {
    top: auto;
  }
  .uka-reading-panel {
    padding: 0.8rem 0.9rem;
    border-right-width: 1px;
    border-bottom: 3px solid var(--gold);
    text-align: center;
  }
  .uka-reading-small {
    font-size: 0.65rem;
    letter-spacing: 0.18em;
  }
  .uka-reading-text {
    min-height: 1.7rem;
    font-size: 1.15rem;
    letter-spacing: 0.06em;
  }
  .uka-score-hud {
    padding: 0.55rem;
    max-height: 5.2rem;
    overflow-y: auto;
    justify-content: center;
  }
  .uka-score-chip {
    font-size: 0.72rem;
    padding: 0.28rem 0.6rem;
  }
  .uka-cards-area {
    padding: 0.75rem 0.5rem 12.5rem;
    min-height: auto;
  }
  .uka-cards-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    padding: 0;
  }
  .uka-card-panel-text {
    font-size: clamp(8px, 2.6vw, 11px);
  }
  .uka-volume-bar {
    right: 0.5rem;
    left: 0.5rem;
    bottom: 0.5rem;
    justify-content: center;
    padding: 0.65rem 0.8rem;
  }
  .uka-volume-bar input[type="range"] {
    flex: 1;
    max-width: 220px;
  }
  .uka-result-item {
    align-items: center;
    padding: 0.85rem;
  }
  .uka-rank {
    min-width: 2rem;
    font-size: 1.1rem;
  }
  .uka-result-count {
    font-size: 1.15rem;
  }
}
@media (max-width: 420px) {
  .uka-header h1 {
    font-size: 1.45rem;
  }
  .uka-play-hud {
    left: 0.4rem;
    right: 0.4rem;
    bottom: 4.45rem;
  }
  .uka-reading-panel {
    padding: 0.7rem 0.8rem;
  }
  .uka-reading-text {
    font-size: 1rem;
  }
  .uka-cards-area {
    padding: 0.6rem 0.4rem 12rem;
  }
  .uka-cards-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 3px;
  }
  .uka-volume-bar {
    left: 0.4rem;
    right: 0.4rem;
    bottom: 0.4rem;
  }
}