.card-shell {
  padding: 1.25rem;
  margin: 1.5rem auto;
}

.card-hero {
  display: grid;
  grid-template-columns: 2fr 1.3fr;
  gap: 1.5rem;
  align-items: center;
}

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.card-hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
}

.card-hero-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.card-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.card-meter {
  padding: 1rem 1.2rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(76, 108, 255, 0.05));
  border: 1px solid var(--glass-border);
  border-radius: 20px;
}

.card-meter__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.card-meter__bar {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
  margin: 0.35rem 0;
}

.card-meter__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #4fdfff, #5d67ff);
  transition: width 0.25s ease;
}

.card-meter__fill--ai {
  background: linear-gradient(90deg, #f97316, #f43f5e);
}

.card-meter__numbers {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.25rem;
}

.card-meter--round {
  padding: 1rem 1.25rem;
}

.card-round {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.35rem;
}

.card-round__value {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
}

.card-main-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
  align-items: start;
}

.card-arena {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card-arena__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.card-arena__actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.card-board {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card-slot {
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.04);
}

.card-slot__label {
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-slot__body {
  min-height: 120px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.card-hand {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.8rem;
  margin-top: 0.35rem;
}

.card-hand__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.card-hand__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-log {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 180px;
  max-height: 260px;
  overflow: auto;
}

.card-log__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 0.75rem;
  padding: 0.4rem 0.35rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.card-log__item:last-child {
  border-bottom: none;
}

.card-log__round {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.card-rules {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card-rules__list {
  list-style: disc;
  padding-left: 1.1rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.card-rules__list li {
  margin: 0;
}

.card-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.card-legend__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
}

.card-library {
  margin-top: 0.25rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.02);
  max-height: 560px;
  overflow: auto;
}

.card-library__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.6rem;
}

.card-tile {
  position: relative;
  border-radius: 14px;
  padding: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  box-shadow: 0 12px 28px rgba(6, 14, 40, 0.35);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  cursor: default;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card-tile[data-selectable="true"] {
  cursor: pointer;
}

.card-tile:hover {
  transform: translateY(-3px);
  border-color: rgba(79, 223, 255, 0.6);
}

.card-tile.is-selected {
  outline: 2px solid var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 18px 35px rgba(79, 223, 255, 0.28);
}

.card-tile__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.35rem;
}

.card-tile__title {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.card-tile__title strong {
  font-size: 1.05rem;
}

.card-tile__title span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.card-tag--rarity {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.card-tile__stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.card-stat {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
}

.card-stat__chip {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.1);
}

.card-tile__body {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.card-tile__effects {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.card-tile__effects span {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
}

.card-tile__effects .chip {
  padding: 0.18rem 0.5rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 700;
  font-size: 0.82rem;
}

.card-tile[data-trait="alkali"] {
  --card-edge: #ff7a8a;
  border-color: rgba(255, 122, 138, 0.35);
  background: linear-gradient(145deg, rgba(255, 122, 138, 0.16), rgba(255, 255, 255, 0.02));
}

.card-tile[data-trait="halogen"] {
  --card-edge: #7c3aed;
  border-color: rgba(124, 58, 237, 0.4);
  background: linear-gradient(145deg, rgba(124, 58, 237, 0.16), rgba(255, 255, 255, 0.02));
}

.card-tile[data-trait="metal"] {
  --card-edge: #3b82f6;
  border-color: rgba(59, 130, 246, 0.35);
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.16), rgba(255, 255, 255, 0.02));
}

.card-tile[data-trait="nonmetal"] {
  --card-edge: #22c55e;
  border-color: rgba(34, 197, 94, 0.35);
  background: linear-gradient(145deg, rgba(34, 197, 94, 0.16), rgba(255, 255, 255, 0.02));
}

.card-tile[data-trait="noble"] {
  --card-edge: #fbbf24;
  border-color: rgba(251, 191, 36, 0.35);
  background: linear-gradient(145deg, rgba(251, 191, 36, 0.16), rgba(255, 255, 255, 0.02));
}

.card-tile[data-trait="metalloid"] {
  --card-edge: #14b8a6;
  border-color: rgba(20, 184, 166, 0.35);
  background: linear-gradient(145deg, rgba(20, 184, 166, 0.16), rgba(255, 255, 255, 0.02));
}

.card-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.68);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 30;
}

.card-overlay__card {
  max-width: 520px;
  width: min(520px, 100%);
  padding: 1.25rem;
  text-align: center;
}

.card-overlay__actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

@media (max-width: 1080px) {
  .card-hero {
    grid-template-columns: 1fr;
  }

  .card-main-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .card-hand {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .card-meter__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-arena__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-hand__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-hero-buttons {
    width: 100%;
    flex-direction: column;
  }

  .card-hero-buttons .glass-button {
    width: 100%;
    justify-content: center;
  }
}