:root {
  --bg: #0b1020;
  --bg-elevated: #131a31;
  --surface: #18213d;
  --surface-2: #212c4e;
  --border: rgba(255, 255, 255, 0.1);
  --text: #eff4ff;
  --muted: #aeb8d6;
  --accent: #7dd3fc;
  --accent-2: #c084fc;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #fb7185;
  --monster: #ef4444;
  --weapon: #60a5fa;
  --potion: #f472b6;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
  --radius-lg: 1rem;
  --radius-md: 0.8rem;
  --radius-sm: 0.65rem;
  --focus: 0 0 0 3px rgba(125, 211, 252, 0.4);
  --max-width: 1200px;
  --font-stack: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-stack);
  background:
    radial-gradient(circle at top, rgba(125, 211, 252, 0.12), transparent 26%),
    linear-gradient(180deg, #0a0f1d 0%, #0f1730 100%);
  color: var(--text);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 200;
  padding: 0.8rem 1rem;
  background: #ffffff;
  color: #111827;
  border-radius: 0.75rem;
}

.skip-link:focus {
  top: 1rem;
}

.app-shell {
  width: min(calc(100% - 1rem), var(--max-width));
  margin: 0 auto;
  padding: 0.45rem 0 0.8rem;
}

.topbar,
.section-header,
.panel-heading,
.controls-row,
.modal-header,
.hud-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.55rem;
}

.topbar {
  margin-bottom: 0.45rem;
}

.topbar h1,
.panel h2,
.modal-card h2,
.modal-card h3 {
  margin: 0;
}

.topbar h1 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

.eyebrow {
  margin: 0 0 0.08rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.64rem;
  font-weight: 700;
}

.topbar-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.game-layout {
  display: grid;
  gap: 0.55rem;
}

.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.65rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hud {
  display: grid;
  grid-template-columns: 1.15fr 1fr 0.72fr 0.72fr;
  gap: 0.5rem;
  align-items: stretch;
  padding: 0.45rem;
}

.hud-item {
  min-width: 0;
  padding: 0.5rem 0.6rem;
  border-radius: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.035);
}

.hud-item h2,
.room-section h2,
.log-panel h2,
.debug-panel h2 {
  font-size: 0.7rem;
  margin: 0 0 0.1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.hud-item .muted {
  margin: 0.14rem 0 0;
  font-size: 0.76rem;
}

.hud-item .hud-micro {
  margin-top: 0.22rem;
  font-size: 0.65rem;
  line-height: 1.25;
}

.panel-value,
.stat-number {
  font-size: 0.98rem;
  font-weight: 800;
}

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

.meter {
  margin-top: 0.35rem;
  height: 0.42rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  width: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--success), #22c55e);
  transition: width 220ms ease;
}

.hud-stat-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem;
}

.hud-stat-pair p {
  margin: 0;
}

.hud-stat-pair > div + div {
  padding-left: 0.35rem;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.button {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 0.85rem;
  padding: 0.72rem 0.95rem;
  color: var(--text);
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, opacity 160ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), #38bdf8);
  color: #07111f;
  font-weight: 800;
}

.button-secondary {
  background: linear-gradient(135deg, rgba(192, 132, 252, 0.28), rgba(96, 165, 250, 0.18));
  border-color: rgba(192, 132, 252, 0.35);
}

.button-warning {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.22), rgba(251, 146, 60, 0.18));
  border-color: rgba(251, 191, 36, 0.4);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
}

.button-small {
  padding: 0.36rem 0.58rem;
  border-radius: 0.62rem;
  font-size: 0.8rem;
}

.room-header {
  align-items: start;
}

.room-header p,
.log-panel .section-header {
  margin: 0;
}

.room-hint {
  font-size: 0.76rem;
}

.room-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 0.65rem;
  margin-top: 0.55rem;
}

.room-actions {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 0.6rem;
  flex-wrap: wrap;
}

.room-actions .button {
  min-width: 8.6rem;
  padding-block: 0.62rem;
}

.card-button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0;
  text-align: left;
  position: relative;
  display: block;
  width: 100%;
}

.card-button.is-selected::after {
  content: '✓ Selected';
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  z-index: 5;
  padding: 0.16rem 0.42rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 800;
  color: #06111e;
  background: linear-gradient(135deg, #7dd3fc, #c084fc);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.22);
}

.card-button.is-selected .card {
  transform: translateY(-4px);
  box-shadow:
    0 0 0 3px rgba(125, 211, 252, 0.85),
    0 16px 34px rgba(0, 0, 0, 0.28);
}

.card-button.is-disabled .card {
  opacity: 0.92;
}

.card {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 5 / 7;
  border-radius: 1.1rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
  transition: transform 180ms ease, box-shadow 180ms ease;
  background: #ffffff;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  overflow: hidden;
}

.card-monster {
  background: linear-gradient(180deg, rgba(239, 68, 68, 0.22), rgba(127, 29, 29, 0.24));
}

.card-weapon {
  background: linear-gradient(180deg, rgba(96, 165, 250, 0.22), rgba(30, 58, 138, 0.24));
}

.card-potion {
  background: linear-gradient(180deg, rgba(244, 114, 182, 0.22), rgba(131, 24, 67, 0.24));
}

.card-corner {
  position: absolute;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.05rem;
  width: fit-content;
  min-width: 2rem;
  border-radius: 0.65rem;
  background: rgba(255, 255, 255, 0.96);
  color: #09111e;
  padding: 0.22rem 0.34rem;
  line-height: 1;
  box-shadow: 0 4px 12px rgba(9, 17, 30, 0.14);
}

.card-corner-top-left {
  top: 0.45rem;
  left: 0.45rem;
}

.card-corner-bottom-right {
  right: 0.45rem;
  bottom: 0.45rem;
  transform: rotate(180deg);
}

.card-red .card-corner {
  color: #be123c;
}

.card-black .card-corner {
  color: #111827;
}

.card-corner-value {
  font-size: 0.95rem;
  font-weight: 900;
}

.card-corner-suit {
  font-size: 0.9rem;
}

.card-art-frame {
  position: absolute;
  inset: 0.9rem;
  border-radius: 0.9rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
}

.card-art-image,
.card-art-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.card-art-image {
  object-fit: cover;
}

.card-art-overlay {
  background: linear-gradient(180deg, rgba(10, 15, 29, 0.08), rgba(10, 15, 29, 0.3));
}

.card-center-badge {
  position: absolute;
  left: 50%;
  bottom: 0.9rem;
  transform: translateX(-50%);
  z-index: 4;
  min-width: 62%;
  padding: 0.38rem 0.5rem;
  border-radius: 0.85rem;
  background: rgba(10, 15, 29, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.16);
  text-align: center;
  backdrop-filter: blur(6px);
}

.card-center-type,
.card-center-action {
  display: block;
}

.card-center-type {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #dbeafe;
}

.card-center-action {
  font-size: 0.8rem;
  font-weight: 800;
}

.card-accent-monster,
.card-monster .card-center-action {
  color: #fecaca;
}

.card-accent-weapon,
.card-weapon .card-center-action {
  color: #bfdbfe;
}

.card-accent-potion,
.card-potion .card-center-action {
  color: #fbcfe8;
}

.card-art-frame.is-fallback {
  display: grid;
  place-items: center;
  padding: 0.75rem;
  text-align: center;
}

.card-fallback-symbol {
  font-size: clamp(2rem, 6vw, 3.5rem);
}

.card-fallback-meta {
  display: grid;
  gap: 0.25rem;
}

.card-value {
  font-size: clamp(1.7rem, 5vw, 3rem);
  line-height: 1;
  font-weight: 900;
}

.card-label {
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card-help {
  font-size: 0.78rem;
}

.action-log {
  display: grid;
  gap: 0.55rem;
  max-height: 145px;
  overflow: auto;
  padding-right: 0.25rem;
  margin-top: 0.7rem;
}

.log-entry {
  padding: 0.5rem 0.62rem;
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 0.88rem;
}

.debug-panel pre {
  margin: 0;
  overflow: auto;
  font-size: 0.84rem;
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 100;
  padding: 1rem;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.74);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  max-height: min(88vh, 920px);
  overflow: auto;
  padding: 1rem;
  border-radius: 1.2rem;
  background: linear-gradient(180deg, #141d36 0%, #0c1327 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

.modal-card-compact {
  width: min(480px, 100%);
}

.modal-body {
  display: grid;
  gap: 0.8rem;
  color: var(--muted);
}

.modal-body h3,
.modal-body p,
.modal-body ul,
.modal-body ol {
  margin: 0;
}

.modal-body ul,
.modal-body ol {
  padding-left: 1.2rem;
}

.endgame-body {
  gap: 1rem;
}

.endgame-summary {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.5;
}

.endgame-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .hud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: start;
    flex-direction: column;
  }

  .room-hint {
    display: none;
  }

  .room-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}

@media (max-width: 560px) {
  .app-shell {
    width: min(calc(100% - 0.7rem), var(--max-width));
  }

  .panel {
    padding: 0.58rem;
  }

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

  .room-grid {
    gap: 0.6rem;
  }

  .room-actions,
  .endgame-actions {
    flex-direction: column;
  }

  .room-actions .button,
  .endgame-actions .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}