:root {
  --bg: #0d101b;
  --panel: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --text: #e6ecf5;
  --muted: #93a5be;
  --primary: #25c2a0;
  --accent: #ff7a5c;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "Fira Sans", "Segoe UI", "Helvetica Neue", sans-serif;
  background: radial-gradient(120% 80% at 10% 20%, rgba(37, 194, 160, 0.18), transparent),
    radial-gradient(120% 80% at 80% 0%, rgba(255, 122, 92, 0.18), transparent),
    var(--bg);
  color: var(--text);
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0.02em;
}

p {
  margin: 0;
}

.muted {
  color: var(--muted);
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
}

.subtitle {
  color: var(--muted);
  margin-top: 6px;
}

.status-pill {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-size: 12px;
}

.layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 18px;
  padding: 0 24px 32px 24px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  min-height: 120px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.meta-bar {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
  overflow: hidden;
}

.pill {
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pill.label {
  color: var(--muted);
}

.pill strong {
  color: var(--text);
}

.room-code {
  font-family: "Fira Mono", "Consolas", monospace;
  letter-spacing: 0.12em;
  color: var(--primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

label {
  color: var(--muted);
  font-size: 13px;
}

input {
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
}

.button-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  color: #0b0f18;
  background: var(--muted);
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn.primary {
  background: linear-gradient(120deg, #24d2b5, #1fa98f);
  color: #061017;
}

.btn.accent {
  background: linear-gradient(120deg, #ff9a7f, #ff7058);
  color: #1f0f0c;
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.player-list {
  margin-top: 16px;
  display: grid;
  gap: 8px;
}

.player-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.badge {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.badge.host {
  border-color: var(--primary);
  color: var(--primary);
}

.badge.turn {
  border-color: var(--accent);
  color: var(--accent);
}

.host-actions {
  margin-top: 12px;
}

.notice {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}

.game-panel {
  min-height: 560px;
}

.game-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
}

.board {
  display: grid;
  gap: 12px;
  grid-template-rows: auto 200px 1fr;
}

.top-bar {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

.attack-zone,
.hand-area {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.attack-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.card-view {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22);
}

.card-view img {
  width: 100%;
  display: block;
}

.card-meta {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.6));
  padding: 6px 8px;
  font-size: 12px;
  color: #e9f1ff;
}

.hand-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.declare-buttons {
  display: flex;
  gap: 8px;
}

.declare-btn {
  width: 42px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
  transition: all 0.16s ease;
}

.declare-btn.used {
  opacity: 0.35;
  border-style: dashed;
}

.declare-btn.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 194, 160, 0.2);
}

.hand-cards {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.hand-card {
  width: 100px;
  border-radius: 10px;
  overflow: visible;
  border: 1px solid var(--border);
  cursor: pointer;
  position: relative;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.hand-card img {
  width: 100%;
  height: 140px;
  object-fit: contain;
  background: #0b0f18;
}

.hand-card .tooltip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  transform: translateY(-6px);
  background: rgba(15, 22, 36, 0.9);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease;
  z-index: 2;
  min-width: 180px;
  white-space: normal;
}

.hand-card:hover .tooltip {
  opacity: 1;
}

.hand-card.selected {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 8px 16px rgba(37, 194, 160, 0.3);
}

.hand-card .order-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--accent);
  color: #130a08;
  padding: 4px 6px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
}

.hand-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  color: var(--muted);
}

.side {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 10px;
}

.prompt-panel,
.log-panel,
.error-panel {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.prompt-panel h3 {
  margin-bottom: 6px;
}

.prompt-body {
  display: grid;
  gap: 8px;
}

.prompt-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.prompt-btn {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
}

.log-list {
  max-height: 240px;
  overflow-y: auto;
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  padding-right: 4px;
}

.log-item {
  padding: 6px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.error-panel {
  color: #ffd5cf;
  min-height: 32px;
}

.hidden {
  display: none !important;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .game-grid {
    grid-template-columns: 1fr;
  }
}