:root {
  --card-w: clamp(72px, 9vw, 96px);
  --card-h: clamp(102px, 13vw, 134px);
  --card-radius: 10px;

  --color-ink: #0f172a;
  --color-ink-soft: #334155;
  --color-ink-muted: #475569;
  --color-ink-faint: #64748b;
  --color-ink-subtle: #94a3b8;

  --color-page-bg: #0f172a;
  --color-surface: #f8fafc;
  --color-surface-strong: #e5e7eb;
  --color-surface-soft: #f1f5f9;
  --color-border: #cbd5e1;
  --color-border-soft: #e2e8f0;

  --color-white: #fff;
  --color-card-text: #111;
  --color-white-overlay-soft: rgba(255, 255, 255, 0.08);
  --color-white-overlay-medium: rgba(255, 255, 255, 0.9);
  --color-white-overlay-strong: rgba(255, 255, 255, 0.92);

  --color-black-overlay-soft: rgba(0, 0, 0, 0.55);
  --color-divider: rgba(148, 163, 184, 0.45);
  --color-panel-pill: rgba(15, 23, 42, 0.82);
  --color-shadow-strong: rgba(0, 0, 0, 0.25);
  --color-shadow-card-hover: rgba(0, 0, 0, 0.12);
  --color-shadow-slate-soft: rgba(15, 23, 42, 0.08);

  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-active: #1d4ed8;
  --color-primary-soft: #dbeafe;
  --color-primary-softer: #e0f2fe;
  --color-primary-emphasis: #1e40af;
  --color-primary-ring: rgba(59, 130, 246, 0.3);

  --color-danger: #b91c1c;
  --color-danger-border: #991b1b;

  --color-warn-bg: #fef3c7;
  --color-warn-bg-soft: #fffbeb;
  --color-warn-border: #fbbf24;
  --color-warn: #f59e0b;
  --color-warn-hover: #d97706;
  --color-warn-active: #b45309;
  --color-warn-ink: #78350f;
  --color-warn-ink-soft: #92400e;
  --color-warn-shadow: rgba(120, 53, 15, 0.12);

  --color-disabled-bg: #d1d5db;
  --color-disabled-ink: #9ca3af;

  --color-suit-spades: #1f2937;
  --color-suit-hearts: #b91c1c;
  --color-suit-clubs: #1f2937;
  --color-suit-diamonds: #b91c1c;

  --shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-page-bg);
  color: var(--color-ink);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 100vh;
  padding: 10px;
}

.menu-open {
  overflow: hidden;
}

.app-root {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.game-header {
  width: 100%;
  position: relative;
  z-index: 150;
}

.game-header-bar {
  width: 100%;
  min-height: 64px;
  padding: 10px 14px;
  border: 1px solid var(--color-border-soft);
  border-radius: 14px;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  box-shadow: 0 10px 28px var(--color-shadow-slate-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.game-header-title {
  margin: 0;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.1;
  color: var(--color-ink);
}

.game-menu-toggle {
  min-width: 48px;
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 24px;
  font-weight: 700;
  cursor: pointer;
  transition: background 150ms ease, transform 150ms ease;
}

.game-menu-toggle:hover {
  background: var(--color-primary-hover);
}

.game-menu-toggle:active {
  background: var(--color-primary-active);
  transform: scale(0.98);
}

.game-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 260px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.18);
  padding: 8px;
}

.game-menu-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.game-menu-action {
  width: 100%;
  text-align: left;
  border: 1px solid var(--color-border-soft);
  border-radius: 10px;
  background: var(--color-surface-soft);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 12px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}

.game-menu-action:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary-ring);
}

.game-menu-action-disabled,
.game-menu-action-disabled:hover {
  cursor: not-allowed;
  background: var(--color-surface-soft);
  color: var(--color-ink-faint);
  border-color: var(--color-border-soft);
}

.game-menu-mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: none;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(2px);
}

.game-menu-mobile-panel {
  width: min(640px, 100%);
  margin-left: auto;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  height: 100%;
  padding: 16px;
  overflow-y: auto;
}

.game-menu-mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.game-menu-mobile-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.1;
  color: var(--color-ink);
}

.game-menu-mobile-close {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface-soft);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  cursor: pointer;
}

.hero-card {
  width: min(600px, calc(100vw - 24px));
  aspect-ratio: 9 / 14;
  margin: 12px auto 0;
  padding: 8px;
  background: #f6f1e7;
  border: 1px solid #c9c3b9;
  border-radius: 8px;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.14);
  min-width: 300px;
}

.hero-card-static,
.hero-card-static * {
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

.hero-card-grid {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(36, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  aspect-ratio: 36 / 56;
  overflow: hidden;
  border-radius: 4px;
}

.hero-card-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 0;
  padding: 1px;
}

.hero-card-tile-cutout {
  background: transparent;
}

.hero-card-tile-icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.board {
  width: min(1120px, 100vw - 20px);
  min-height: min(820px, 100vh - 20px);
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: 16px;
  box-shadow: 0 16px 48px var(--color-shadow-strong);
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(90px, auto);
  gap: 10px;
  position: relative;
}

.area {
  background: var(--color-surface-strong);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 96px;
}

.area-label {
  font-size: 14px;
  color: var(--color-ink-soft);
  line-height: 1.3;
}

.area-content {
  flex: 1;
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  min-height: 56px;
}

.enemy-hand .area-content,
.player-hand .area-content {
  justify-content: flex-start;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px;
}

.area-small { grid-column: 1 / span 2; }
.area-medium { grid-column: 3 / span 2; }
.area-wide { grid-column: 5 / span 6; }
.area-tall { grid-column: 11 / span 2; grid-row: 2 / span 2; align-self: stretch; }

.enemy-deck { grid-row: 1; }
.info-top { grid-row: 1; }
.enemy-hand { grid-row: 1; grid-column: 5 / span 4; }
.enemy-discard { grid-row: 1; grid-column: 9 / span 2; }
.enemy-power { grid-row: 1; grid-column: 11 / span 2; }
.info-right { grid-row: 2; grid-column: 11 / span 2; }

.battlefield {
  grid-column: 2 / span 9;
  grid-row: 2;
  position: relative;
  min-height: 210px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.creature-row {
  display: flex;
  min-height: var(--card-h);
  gap: 16px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
}

.enemy-creatures {
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: 10px;
}

.player-creatures {
  border-top: 1px solid var(--color-divider);
  padding-top: 10px;
}

.player-power { grid-row: 3; grid-column: 1 / span 2; }
.player-discard { grid-row: 3; grid-column: 3 / span 2; }
.player-hand { grid-row: 3; grid-column: 5 / span 4; }
.player-deck { grid-row: 3; grid-column: 9 / span 2; }
.info-bottom { grid-row: 3; grid-column: 11 / span 2; }

.card {
  width: var(--card-w);
  height: var(--card-h);
  border-radius: var(--card-radius);
  background: var(--color-white);
  color: var(--color-card-text);
  border: 1px solid var(--color-surface-strong);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  font-size: 34px;
  font-weight: 700;
  position: relative;
  user-select: none;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px var(--color-shadow-card-hover); }
.card .glyph { display: flex; gap: 6px; align-items: center; }
.card .rank { letter-spacing: 0.5px; }
.card .suit { font-size: 28px; }
.card.face-down {
  background: var(--color-danger);
  border-color: var(--color-danger-border);
  color: transparent;
  box-shadow: var(--shadow), inset 0 0 0 4px var(--color-white-overlay-soft);
}
.card.face-down .glyph { display: none; }

.pile-counter-card {
  pointer-events: none;
}

.pile-counter-card:hover {
  transform: none;
  box-shadow: var(--shadow), inset 0 0 0 4px var(--color-white-overlay-soft);
}

.pile-counter-value {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  min-width: 28px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-panel-pill);
  color: var(--color-surface);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
}

.card.raised { transform: translateY(-2px); }

.deck-badge {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--color-black-overlay-soft);
  color: var(--color-surface);
  font-size: 24px;
  font-weight: 700;
  white-space: nowrap;
}

.turn-label {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 12px;
  padding: 8px 12px;
  background: var(--color-primary-soft);
  border-radius: 8px;
  text-align: center;
}

.btn-end-turn {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms ease;
}

.btn-end-turn:hover {
  background: var(--color-primary-hover);
}

.btn-end-turn:active {
  background: var(--color-primary-active);
  transform: scale(0.98);
}

.btn-start-game {
  width: 100%;
  max-width: 280px;
  padding: 12px 16px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms ease;
  margin: 0 auto;
}

.btn-start-game:hover {
  background: var(--color-primary-hover);
}

.btn-start-game:active {
  background: var(--color-primary-active);
  transform: scale(0.98);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(2px);
}

.modal-overlay-fullscreen {
  padding: 0;
}

.modal-panel {
  width: min(640px, 100%);
  max-height: min(82vh, 760px);
  overflow: auto;
  border-radius: 14px;
  border: 1px solid var(--color-border);
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.35);
  padding: 18px;
  position: relative;
}

.modal-panel-fullscreen {
  width: 100%;
  height: 100%;
  max-height: none;
  border-radius: 0;
  border: none;
}

.modal-header {
  padding-right: 36px;
}

.modal-title {
  margin: 0;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.1;
  color: var(--color-ink);
}

.modal-subtitle {
  margin: 8px 0 0;
  font-size: 16px;
  color: var(--color-ink-soft);
}

.modal-close-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface-soft);
  color: var(--color-ink);
  font-size: 16px;
  cursor: pointer;
}

.modal-body {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.modal-body-text {
  margin: 0;
  color: var(--color-ink-muted);
}

.modal-section {
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border-soft);
  border-radius: 10px;
  padding: 10px 12px;
}

.modal-section-title {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-ink-faint);
}

.modal-section-list {
  margin: 8px 0 0;
  padding-left: 16px;
  display: grid;
  gap: 5px;
}

.modal-section-item {
  color: var(--color-ink);
  font-size: 14px;
}

.modal-actions {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.modal-btn {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.modal-btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.modal-btn-primary:hover {
  background: var(--color-primary-hover);
}

.modal-btn-secondary {
  background: var(--color-surface-strong);
  color: var(--color-ink);
  border: 1px solid var(--color-border);
}

.modal-btn-secondary:hover {
  background: var(--color-surface-soft);
}

.modal-btn-danger {
  background: var(--color-danger);
  color: var(--color-white);
}

.modal-btn-danger:hover {
  background: #991b1b;
}

.primary-actions {
  width: 100%;
  max-width: 360px;
  margin: 24px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.suit-selector {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.suit-selector-option {
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-disabled-bg);
  font-size: clamp(24px, 4vw, 32px);
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}

.suit-selector-option:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 12px var(--color-shadow-slate-soft);
}

.suit-selector-option.is-selected {
  border-color: var(--color-warn-border);
  box-shadow: 0 0 0 2px var(--color-white), 0 0 0 4px var(--color-warn-border);
}

.suit-selector-option[data-suit='spades'] {
  color: var(--color-suit-spades);
}

.suit-selector-option[data-suit='hearts'] {
  color: var(--color-suit-hearts);
}

.suit-selector-option[data-suit='diamonds'] {
  color: var(--color-suit-diamonds);
}

.suit-selector-option[data-suit='clubs'] {
  color: var(--color-suit-clubs);
}

.suit-hero-card {
  position: relative;
  width: min(500px, calc(100vw - 20px));
  aspect-ratio: 2 / 3;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 8px;
}

.suit-hero-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.suit-hero-card-bg {
  object-fit: cover;
  scale: 1.75;
}

.suit-hero-card-subject {
  object-fit: contain;
  object-position: bottom center;
  transform: scale(2) translateY(-30%);
}

.suit-hero-card-border {
  object-fit: fill;
}

.clickable {
  cursor: pointer;
}

.card.selected {
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-white), 0 0 0 4px var(--color-primary), 0 14px 30px var(--color-primary-ring);
  transform: translateY(-6px) scale(1.05);
}

#card-info {
  padding: 12px;
  background: var(--color-surface-soft);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.card-info-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-info-detail {
  font-size: 16px;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.card-info-owner {
  font-size: 14px;
  color: var(--color-ink-faint);
}

.card-info-empty {
  font-size: 14px;
  color: var(--color-ink-subtle);
  text-align: center;
  font-style: italic;
}

.health-display {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-ink);
  text-align: center;
  padding: 8px;
}

.power-display {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-emphasis);
  text-align: center;
  padding: 4px;
}

#selection-info {
  height: 250px;
  overflow-y: auto;
}

#spell-info {
  margin-top: 12px;
  padding: 12px;
  background: var(--color-warn-bg);
  border-radius: 8px;
  border: 1px solid var(--color-warn-border);
}

.spell-info-block {
  background: var(--color-white)beb;
  border: 1px solid var(--color-warn);
  border-radius: 10px;
  padding: 10px 12px;
  box-shadow: 0 6px 14px var(--color-warn-shadow);
  margin-bottom: 12px;
}

.spell-info-block:last-child {
  margin-bottom: 0;
}

.spell-info-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-warn-ink);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.spell-info-detail {
  font-size: 16px;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.spell-info-owner {
  font-size: 14px;
  color: var(--color-warn-ink-soft);
}

.spell-info-cost {
  font-size: 14px;
  color: var(--color-warn-ink-soft);
  margin-bottom: 8px;
}

.spell-info-empty {
  font-size: 14px;
  color: var(--color-warn-ink-soft);
  text-align: center;
  font-style: italic;
  opacity: 0.6;
}

.btn-cast {
  width: 100%;
  padding: 10px 14px;
  background: var(--color-warn);
  color: var(--color-white);
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms ease;
  margin-top: 8px;
}

.btn-cast:hover:not(:disabled) {
  background: var(--color-warn-hover);
}

.btn-cast:active:not(:disabled) {
  background: var(--color-warn-active);
  transform: scale(0.98);
}

.btn-cast:disabled {
  background: var(--color-disabled-bg);
  color: var(--color-disabled-ink);
  cursor: not-allowed;
}

.creature-container {
  position: relative;
  width: var(--card-w);
  height: var(--card-h);
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.creature-card {
  position: absolute;
  width: var(--card-w);
  height: var(--card-h);
}

.creature-card-bottom {
  top: 0;
  z-index: 1;
}

.creature-card-top {
  top: 0;
  z-index: 2;
}

.creature-label {
  position: absolute;
  top: 8px;
  left: 0;
  right: 0;
  z-index: 3;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-white-overlay-strong);
  padding: 6px 4px;
  border-radius: 6px;
  margin: 0 6px;
  box-shadow: 0 6px 14px var(--color-shadow-slate-soft);
  pointer-events: none;
}

.creature-rank-abilities {
  position: absolute;
  top: 56%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  z-index: 3;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-white-overlay-strong);
  padding: 4px 6px;
  border-radius: 6px;
  margin: 0 8px;
  box-shadow: 0 6px 14px var(--color-shadow-slate-soft);
  pointer-events: none;
  display: none;
}

.creature-glyph .glyph {
  display: none;
}

.creature-glyph-row {
  position: absolute;
  bottom: 6px;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 10px;
  pointer-events: none;
}

.creature-mini-glyph {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-white-overlay-medium);
  border-radius: 6px;
  padding: 2px 6px;
  box-shadow: 0 4px 10px var(--color-shadow-slate-soft);
}

.creature-mini-glyph .rank {
  font-size: 18px;
  letter-spacing: 0.4px;
}

.creature-mini-glyph .suit {
  font-size: 16px;
}

.creature-mini-glyph[data-suit="spades"] .suit {
  color: var(--color-suit-spades);
}

.creature-mini-glyph[data-suit="hearts"] .suit {
  color: var(--color-danger);
}

.creature-mini-glyph[data-suit="clubs"] .suit {
  color: var(--color-suit-clubs);
}

.creature-mini-glyph[data-suit="diamonds"] .suit {
  color: var(--color-danger);
}

.card-info-list {
  margin: 6px 0;
  padding-left: 16px;
  list-style: disc;
  color: var(--color-ink);
  font-size: 14px;
}

.phase-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  padding: 6px 10px;
  background: var(--color-primary-softer);
  border-radius: 6px;
  text-align: center;
  margin: 8px 0;
}

/* --- Responsive Tweaks --- */

@media (max-width: 1100px) {
  :root {
    --card-w: clamp(70px, 10vw, 90px);
    --card-h: clamp(98px, 14vw, 128px);
  }

  .board {
    width: calc(100vw - 14px);
    min-height: min(760px, 100vh - 14px);
    gap: 8px;
    padding: 10px;
  }

  .area {
    padding: 8px 10px;
    border-radius: 14px;
  }

  .area-content { gap: 8px; }
  .battlefield { min-height: 190px; }
  .creature-row { gap: 12px; }

  .turn-label { font-size: 16px; }
  .btn-end-turn { font-size: 15px; padding: 10px 14px; }
}

@media (max-width: 900px) {
  :root {
    --card-w: 72px;
    --card-h: 102px;
  }

  .area-label { font-size: 13px; }
  .card { font-size: 30px; }
  .card .suit { font-size: 24px; }
  .creature-label { font-size: 8px; }

  .enemy-hand .area-content,
  .player-hand .area-content { gap: 6px; }
}

@media (max-width: 768px) {
  :root {
    --card-w: 66px;
    --card-h: 92px;
    --card-radius: 8px;
  }

  body { padding: 6px; }

  .app-root {
    gap: 8px;
  }

  .game-header-bar {
    min-height: 56px;
    padding: 8px 10px;
    border-radius: 10px;
  }

  .game-header-title {
    font-size: clamp(18px, 5.6vw, 24px);
  }

  .game-menu-toggle {
    min-width: 44px;
    min-height: 40px;
    font-size: 21px;
  }

  .game-menu-dropdown {
    display: none;
  }

  .game-menu-mobile-overlay:not([hidden]) {
    display: block;
  }

  .game-menu-mobile-panel {
    width: 100%;
    margin-left: 0;
  }

  .game-menu-action {
    font-size: 15px;
    padding: 12px 12px;
  }

  .board {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: auto;
    gap: 8px;
    padding: 8px;
  }

  .area,
  .battlefield {
    width: 100%;
    grid-column: auto;
    grid-row: auto;
  }

  .area { padding: 8px 10px; min-height: auto; }
  .area-label { display: none; }

  /* Hide side power tracks to save space */
  .enemy-power,
  .player-power,
  .enemy-discard,
  .player-discard {
    display: none;
  }

  .enemy-hand .area-content,
  .player-hand .area-content {
    gap: 6px;
    padding: 2px 0;
  }

  .card { font-size: 28px; }
  .card .suit { font-size: 22px; }

  .turn-label { font-size: 15px; padding: 6px 10px; }
  .phase-label { font-size: 13px; padding: 5px 8px; }
  .btn-end-turn { font-size: 14px; padding: 10px 12px; }

  .battlefield { min-height: 170px; }
  .creature-row { gap: 10px; }

  .modal-overlay {
    padding: 10px;
  }

  .modal-panel {
    width: 100%;
    max-height: 86vh;
    padding: 14px;
    border-radius: 12px;
  }

  .modal-actions {
    flex-direction: column;
  }

  .modal-btn {
    width: 100%;
  }
}