:root {
  --bg-0: #04111f;
  --bg-1: #092640;
  --panel: rgba(7, 21, 34, 0.8);
  --panel-strong: rgba(8, 30, 46, 0.95);
  --text: #f3f8ff;
  --muted: #99b6ca;
  --accent: #45f3ff;
  --accent-hot: #ffce3a;
  --danger: #ff4d6d;
  --ok: #2ad27f;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Exo 2", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 10%, #154166, transparent 30%),
    radial-gradient(circle at 80% 90%, #093652, transparent 35%),
    linear-gradient(150deg, var(--bg-0), var(--bg-1));
}

h1,
h2,
h3,
button,
.kicker {
  font-family: "Oxanium", sans-serif;
  letter-spacing: 0.02em;
}

button,
select {
  font: inherit;
}

.app-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at 50% 10%, rgba(69, 243, 255, 0.08), transparent 44%),
    repeating-linear-gradient(
      45deg,
      rgba(255, 255, 255, 0.018),
      rgba(255, 255, 255, 0.018) 8px,
      transparent 8px,
      transparent 16px
    );
}

.shell {
  width: min(1260px, calc(100% - 28px));
  margin: 0 auto;
  padding: 26px 0 38px;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

.start-screen {
  display: none;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 24px;
  align-items: stretch;
}

.start-screen.active {
  display: grid;
}

.start-hero,
.start-panel,
.panel,
.modal-card,
.loader-card {
  border: 1px solid rgba(202, 235, 255, 0.12);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.start-hero {
  padding: 34px;
  background: linear-gradient(140deg, rgba(69, 243, 255, 0.13), rgba(255, 206, 58, 0.08)),
    var(--panel);
}

.kicker {
  text-transform: uppercase;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--accent-hot);
  margin: 0 0 10px;
}

.start-hero h1 {
  margin: 0;
  font-size: clamp(2.1rem, 7vw, 5rem);
  line-height: 0.95;
}

.start-hero p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 50ch;
}

.start-panel {
  padding: 22px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.field-group {
  display: grid;
  gap: 8px;
}

select {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text);
}

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 11px 14px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  color: #002136;
  background: linear-gradient(120deg, #4df5ff, #74ffc0);
}

.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-danger {
  color: #fff;
  background: rgba(255, 77, 109, 0.15);
  border-color: rgba(255, 77, 109, 0.45);
}

.last-result {
  min-height: 34px;
  color: var(--muted);
  font-size: 0.95rem;
}

.history-summary {
  color: #cfe4f2;
  font-size: 0.88rem;
}

.history-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
  max-height: 200px;
  overflow-y: auto;
}

.history-list li {
  border-radius: 10px;
  border-left: 3px solid rgba(255, 206, 58, 0.7);
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.04);
  color: #d4e8f7;
  font-size: 0.82rem;
}

.deck-builder {
  display: grid;
  gap: 8px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
}

.deck-builder-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
}

.deck-builder-actions {
  display: flex;
  gap: 8px;
}

.deck-builder-actions .btn {
  flex: 1;
}

.deck-builder-filters {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 8px;
}

.deck-builder-filters input,
.deck-builder-filters select {
  width: 100%;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.deck-builder-filters input::placeholder {
  color: #b8cfe1;
}

.starter-card-pool {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  max-height: 250px;
  overflow-y: auto;
}

.starter-card {
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
  padding: 6px;
  display: grid;
  gap: 4px;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.starter-card:hover {
  transform: translateY(-1px);
}

.starter-card img {
  width: 56px;
  height: 56px;
  margin: 0 auto;
  object-fit: contain;
}

.starter-card-name {
  font-size: 0.74rem;
  text-align: center;
}

.starter-card-meta {
  font-size: 0.67rem;
  color: #b8d1e4;
  text-align: center;
}

.starter-card.selected {
  border-color: #4de3ff;
  box-shadow: 0 0 0 1px rgba(77, 227, 255, 0.45);
}

.deck-validation-error {
  color: #ff9fb2;
}

.game-screen {
  display: none;
  gap: 16px;
}

.game-screen.active {
  display: grid;
}

.hud {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(202, 235, 255, 0.14);
  background: var(--panel-strong);
}

.hud h2 {
  margin: 4px 0 0;
}

.hud-meta {
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.arena {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px minmax(0, 1fr);
  gap: 14px;
}

.panel {
  padding: 14px;
}

.panel-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.panel-title-row h3 {
  margin: 0;
}

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

.field-slot {
  min-height: 246px;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(161, 211, 237, 0.35);
  border-radius: 16px;
  padding: 10px;
  background: rgba(0, 0, 0, 0.14);
}

.card-placeholder {
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

.player-hand,
.enemy-hand {
  margin-top: 10px;
  display: flex;
  gap: 10px;
  min-height: 126px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.enemy-card-back {
  width: 82px;
  min-width: 82px;
  height: 116px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(135deg, #1b2f4f, #15263d);
  display: grid;
  place-items: center;
  color: #a9bfd5;
  font-size: 0.8rem;
}

.card {
  position: relative;
  width: 100%;
  max-width: 230px;
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.04));
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
  transform-origin: center;
  animation: cardIn 0.35s ease;
}

.card.card-hand {
  width: 150px;
  min-width: 150px;
  cursor: pointer;
}

.card.card-hand:hover {
  transform: translateY(-4px) scale(1.02);
}

.card.selected {
  outline: 2px solid var(--accent);
  transform: translateY(-6px) scale(1.03);
}

.card.attack {
  animation: attackMotion 0.32s ease;
}

.card.damage {
  animation: damageFlash 0.45s ease;
}

.card-top {
  padding: 10px;
  background: rgba(0, 0, 0, 0.25);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
}

.card-name {
  font-weight: 700;
}

.card-rarity {
  font-size: 0.72rem;
  text-transform: uppercase;
}

.card-image-wrap {
  display: grid;
  place-items: center;
  height: 124px;
  background: radial-gradient(circle at 50% 22%, rgba(255, 255, 255, 0.35), transparent 58%);
}

.card-image-wrap img {
  width: 106px;
  height: 106px;
  object-fit: contain;
  filter: drop-shadow(0 8px 10px rgba(0, 0, 0, 0.35));
}

.type-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 10px 2px;
}

.type-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 8px;
  padding: 8px 10px;
  font-size: 0.78rem;
}

.hp-wrap {
  padding: 0 10px 10px;
}

.hp-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
  font-size: 0.75rem;
}

.hp-bar {
  height: 8px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 999px;
  overflow: hidden;
}

.hp-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #52e27a, #d9ea56);
  transition: width 0.35s ease;
}

.xp-wrap {
  padding: 0 10px 10px;
}

.xp-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
  font-size: 0.71rem;
}

.xp-bar {
  height: 6px;
  background: rgba(0, 0, 0, 0.36);
  border-radius: 999px;
  overflow: hidden;
}

.xp-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #6ce1ff, #f0ff5d);
  transition: width 0.35s ease;
}

.card.common {
  border-color: #97acc0;
}

.card.rare {
  border-color: #4de3ff;
  box-shadow: 0 0 0 1px rgba(77, 227, 255, 0.5), 0 12px 28px rgba(77, 227, 255, 0.24);
}

.card.epic {
  border-color: #a38bff;
  box-shadow: 0 0 0 1px rgba(163, 139, 255, 0.55), 0 12px 28px rgba(163, 139, 255, 0.3);
}

.card.legendary {
  border-color: #ffc857;
  box-shadow: 0 0 0 1px rgba(255, 200, 87, 0.55), 0 0 24px rgba(255, 205, 96, 0.3);
}

.card.legendary::after,
.card.epic::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 10%, rgba(255, 255, 255, 0.22) 38%, transparent 65%);
  transform: translateX(-130%);
  animation: shine 3.8s infinite;
}

.battle-panel {
  display: grid;
  gap: 10px;
  align-content: center;
  justify-items: center;
  min-height: 462px;
  text-align: center;
}

.type-feedback {
  min-height: 42px;
  color: var(--muted);
}

.battle-tip {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0;
}

.item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.battle-spark {
  width: 100%;
  height: 120px;
  border-radius: 14px;
  border: 1px dashed rgba(255, 255, 255, 0.2);
  background: radial-gradient(circle, rgba(77, 227, 255, 0.24), transparent 62%);
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

.battle-spark.active {
  opacity: 1;
}

.log-panel {
  min-height: 184px;
}

.map-panel {
  min-height: 230px;
}

.biome-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 10px;
}

.biome-chip {
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.23);
  color: #e5f2fb;
}

.map-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 140px;
  gap: 14px;
  align-items: center;
}

.minimap-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.map-cell {
  aspect-ratio: 1 / 1;
  border-radius: 7px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  filter: saturate(0.7) brightness(0.85);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.map-cell.discovered {
  filter: saturate(1) brightness(1);
}

.map-cell.player {
  background: linear-gradient(160deg, #84fff1, #53d7ff);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.55), 0 0 12px rgba(77, 227, 255, 0.45);
  transform: scale(1.08);
}

.map-cell.biome-plains {
  background: rgba(128, 196, 120, 0.45);
}

.biome-chip.biome-plains {
  background: rgba(128, 196, 120, 0.35);
}

.map-cell.biome-forest {
  background: rgba(46, 142, 74, 0.5);
}

.biome-chip.biome-forest {
  background: rgba(46, 142, 74, 0.38);
}

.map-cell.biome-lake {
  background: rgba(69, 154, 224, 0.5);
}

.biome-chip.biome-lake {
  background: rgba(69, 154, 224, 0.36);
}

.map-cell.biome-cave {
  background: rgba(123, 111, 145, 0.45);
}

.biome-chip.biome-cave {
  background: rgba(123, 111, 145, 0.34);
}

.map-cell.biome-mountain {
  background: rgba(176, 154, 133, 0.45);
}

.biome-chip.biome-mountain {
  background: rgba(176, 154, 133, 0.34);
}

.map-cell.biome-volcanic {
  background: rgba(201, 92, 70, 0.47);
}

.biome-chip.biome-volcanic {
  background: rgba(201, 92, 70, 0.34);
}

.map-controls {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.map-controls .btn {
  width: 44px;
  height: 40px;
  padding: 0;
}

.map-mid-row {
  display: flex;
  gap: 8px;
}

.map-event {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  min-height: 20px;
}

.map-help {
  margin: 8px 0 0;
  color: #c8dbe9;
  font-size: 0.78rem;
}

.event-log {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  max-height: 180px;
  overflow-y: auto;
}

.event-log li {
  border-left: 3px solid rgba(77, 227, 255, 0.55);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  padding: 7px 10px;
  color: #d4e6f4;
  font-size: 0.88rem;
}

.type-feedback.strong {
  color: #74ffc0;
}

.type-feedback.weak {
  color: #ffde73;
}

.type-feedback.immune {
  color: #ff8ea3;
}

.modal,
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 8, 15, 0.74);
  display: grid;
  place-items: center;
  z-index: 20;
}

.hidden {
  display: none;
}

.modal-card {
  width: min(460px, calc(100% - 24px));
  padding: 22px;
  background: linear-gradient(150deg, rgba(13, 39, 58, 0.94), rgba(8, 24, 40, 0.94));
}

.modal-card h2 {
  margin-top: 0;
}

.tutorial-card ul {
  color: var(--muted);
  line-height: 1.6;
}

.evolution-actions {
  display: flex;
  gap: 10px;
}

.shop-list {
  display: grid;
  gap: 8px;
  margin: 10px 0 14px;
}

.shop-panel {
  display: grid;
  gap: 10px;
}

.shop-toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.shop-stock {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.shop-offer {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.shop-offer h4 {
  margin: 0;
  font-size: 0.94rem;
}

.shop-offer p {
  margin: 0;
  font-size: 0.78rem;
  color: #c6dced;
  min-height: 30px;
}

.shop-offer-meta {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  font-size: 0.76rem;
  color: #d4e8f7;
}

.shop-offer .btn {
  width: 100%;
}

.shop-focus {
  box-shadow: 0 0 0 1px rgba(77, 227, 255, 0.7), 0 0 26px rgba(77, 227, 255, 0.25), var(--shadow);
}

.loader-card {
  width: min(340px, calc(100% - 30px));
  padding: 24px;
  text-align: center;
  background: var(--panel-strong);
}

.loader-spinner {
  width: 46px;
  height: 46px;
  margin: 0 auto 14px;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
}

/* Type color accents */
.card.type-fire {
  background: linear-gradient(160deg, rgba(255, 116, 72, 0.55), rgba(58, 20, 20, 0.4));
}

.card.type-water {
  background: linear-gradient(160deg, rgba(79, 165, 255, 0.5), rgba(18, 37, 70, 0.45));
}

.card.type-grass {
  background: linear-gradient(160deg, rgba(81, 212, 124, 0.55), rgba(18, 62, 39, 0.42));
}

.card.type-electric {
  background: linear-gradient(160deg, rgba(255, 213, 72, 0.55), rgba(73, 55, 18, 0.42));
}

.card.type-ice {
  background: linear-gradient(160deg, rgba(146, 234, 255, 0.6), rgba(27, 56, 71, 0.45));
}

.card.type-ground {
  background: linear-gradient(160deg, rgba(201, 157, 101, 0.52), rgba(58, 40, 22, 0.42));
}

.card.type-rock {
  background: linear-gradient(160deg, rgba(176, 146, 122, 0.52), rgba(63, 47, 39, 0.42));
}

.card.type-psychic {
  background: linear-gradient(160deg, rgba(255, 116, 166, 0.53), rgba(64, 24, 45, 0.44));
}

.card.type-dragon {
  background: linear-gradient(160deg, rgba(120, 124, 255, 0.53), rgba(26, 27, 74, 0.44));
}

.card.type-dark {
  background: linear-gradient(160deg, rgba(88, 88, 97, 0.64), rgba(20, 20, 24, 0.6));
}

.card.type-fairy {
  background: linear-gradient(160deg, rgba(255, 173, 228, 0.55), rgba(60, 28, 56, 0.44));
}

.card.type-default {
  background: linear-gradient(160deg, rgba(176, 194, 214, 0.45), rgba(23, 34, 47, 0.42));
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes attackMotion {
  0% {
    transform: translateX(0);
  }
  40% {
    transform: translateX(12px) scale(1.02);
  }
  100% {
    transform: translateX(0);
  }
}

@keyframes damageFlash {
  0% {
    filter: brightness(1);
  }
  35% {
    filter: brightness(1.85);
  }
  100% {
    filter: brightness(1);
  }
}

@keyframes shine {
  0% {
    transform: translateX(-130%);
  }
  45%,
  100% {
    transform: translateX(130%);
  }
}

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

@media (max-width: 1040px) {
  .start-screen,
  .arena {
    grid-template-columns: 1fr;
  }

  .battle-panel {
    min-height: auto;
  }

  .hud {
    grid-template-columns: 1fr;
  }

  .map-layout {
    grid-template-columns: 1fr;
  }

  .shop-stock {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .shell {
    width: calc(100% - 18px);
    padding-top: 14px;
  }

  .card.card-hand {
    width: 132px;
    min-width: 132px;
  }

  .field-slot {
    min-height: 230px;
  }

  .starter-card-pool {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .deck-builder-filters {
    grid-template-columns: 1fr;
  }

  .shop-stock {
    grid-template-columns: 1fr;
  }
}