:root {
  --c-bg: #0d1321;
  --c-panel: #1d2940;
  --c-primary: #8fc7ff;
  --c-accent: #ffd27f;
  --c-danger: #ff8f7c;
  --bg: var(--c-bg);
  --panel: rgba(29, 41, 64, 0.78);
  --panel-solid: #1b2740;
  --panel-strong: rgba(24, 36, 58, 0.92);
  --edge: rgba(143, 199, 255, 0.34);
  --edge-strong: rgba(255, 210, 127, 0.42);
  --ink: #f6f9ff;
  --ink-dim: #c7d5ed;
  --gold: var(--c-accent);
  --hp: #8ce7bf;
  --danger: var(--c-danger);
  --accent: var(--c-primary);
  --font-ui: "Trebuchet MS", sans-serif;
  --hud-label-size: 0.58rem;
  --hud-value-size: 0.9rem;
  --hud-body-size: 0.66rem;
  --shadow: 0 14px 32px rgba(5, 10, 20, 0.5);
  --shadow-soft: 0 8px 20px rgba(5, 10, 20, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  font-family: var(--font-ui);
  background:
    radial-gradient(circle at 12% 12%, rgba(110, 151, 220, 0.18), transparent 32%),
    radial-gradient(circle at 88% 8%, rgba(255, 194, 92, 0.14), transparent 28%),
    linear-gradient(180deg, #0a1019 0%, #060910 100%);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: geometricPrecision;
}

button,
select {
  font: 700 1rem/1.2 var(--font-ui);
  letter-spacing: 0.01em;
}

img {
  display: block;
  max-width: 100%;
}

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

.app-shell {
  position: relative;
  width: 100vw;
  height: 100svh;
  min-height: 34rem;
  overflow: hidden;
}

.stage-root {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 18%, rgba(176, 218, 255, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(24, 33, 46, 0.96), rgba(9, 13, 21, 0.98));
}

.stage-root canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.pc-fx-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.72;
  mix-blend-mode: screen;
  z-index: 3;
}

.loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 18%, rgba(143, 199, 255, 0.18), transparent 36%),
    radial-gradient(circle at 80% 8%, rgba(255, 210, 127, 0.14), transparent 32%),
    linear-gradient(180deg, rgba(8, 12, 20, 0.96), rgba(5, 8, 14, 0.98));
  transition: opacity 280ms ease;
}

.loading-overlay.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-card {
  width: min(24rem, calc(100vw - 2rem));
  padding: 1rem 1.1rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 220, 156, 0.35);
  background: linear-gradient(180deg, rgba(20, 31, 50, 0.94), rgba(12, 19, 32, 0.94));
  box-shadow: var(--shadow);
  text-align: center;
}

.loading-eyebrow {
  margin: 0;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #bad6ff;
}

.loading-title {
  margin: 0.24rem 0 0;
  font-size: 1.24rem;
  color: #fff3d3;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.88), 0 0 14px rgba(255, 221, 160, 0.2);
}

.loading-copy {
  margin: 0.38rem 0 0.56rem;
  font-size: 0.78rem;
  color: #e4eeff;
}

.loading-bar {
  height: 0.58rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  overflow: hidden;
  border: 1px solid rgba(143, 199, 255, 0.24);
}

.loading-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #8fc7ff, #ffd27f);
  box-shadow: 0 0 16px rgba(143, 199, 255, 0.3);
  transition: width 160ms ease;
}

.hud-cluster,
.chapter-banner,
.card-panel,
.build-picker,
.tower-quick,
.selection-card,
.next-wave-btn,
.start-btn,
.donate-btn,
.pause-modal {
  position: absolute;
  z-index: 4;
}

.hud-topbar-shell {
  position: absolute;
  z-index: 9;
  top: max(10px, env(safe-area-inset-top));
  left: max(10px, env(safe-area-inset-left));
  right: max(10px, env(safe-area-inset-right));
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "stats chapter controls";
  align-items: start;
  gap: 0.34rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  pointer-events: none;
}

.hud-topbar-shell .hud-cluster,
.hud-topbar-shell .chapter-banner {
  position: static;
  pointer-events: auto;
}

.hud-cluster {
  display: flex;
  gap: 0.34rem;
  flex-wrap: nowrap;
  align-items: center;
  transition: opacity 180ms ease, transform 180ms ease;
}

.top-left {
  grid-area: stats;
  max-width: min(44vw, 34rem);
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 1px;
}

.top-left::-webkit-scrollbar {
  display: none;
}

.top-right {
  grid-area: controls;
  max-width: min(42vw, 32rem);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.chip {
  min-width: 4.05rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid rgba(146, 186, 244, 0.32);
  border-radius: 0.8rem;
  background: linear-gradient(180deg, rgba(16, 26, 42, 0.94), rgba(11, 18, 30, 0.9));
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
}

.chip-label {
  display: block;
  font-size: var(--hud-label-size);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #dbe7fa;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.85);
}

.chip strong {
  display: block;
  margin-top: 0.12rem;
  font-size: var(--hud-value-size);
  line-height: 1.05;
  color: #fef6e6;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.9), 0 0 10px rgba(255, 234, 177, 0.16);
}

.chip-meta {
  display: none;
  margin-top: 0.12rem;
  font-size: var(--hud-body-size);
  line-height: 1.15;
  color: #d2def3;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.9);
}

.rank-chip,
.tech-chip {
  min-width: 7.2rem;
}

.rank-chip .chip-meta,
.tech-chip .chip-meta {
  display: block;
}

.rank-chip strong {
  color: #ffe4b0;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.9), 0 0 16px rgba(255, 201, 118, 0.2);
}

.tech-chip strong {
  color: #bde5ff;
  font-size: 0.76rem;
}

.gold-chip strong {
  color: var(--gold);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.92), 0 0 18px rgba(255, 206, 106, 0.22);
}

.hp-chip strong {
  color: var(--hp);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.92), 0 0 18px rgba(91, 218, 164, 0.2);
}

.chapter-banner {
  grid-area: chapter;
  width: min(26rem, 36vw);
  margin: 0 auto;
  padding: 0.3rem 0.52rem;
  border: 1px solid rgba(233, 204, 150, 0.22);
  border-radius: 0.82rem;
  background: linear-gradient(180deg, rgba(17, 25, 40, 0.88), rgba(12, 17, 28, 0.82));
  box-shadow: var(--shadow-soft);
  text-align: center;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.chapter-banner .eyebrow {
  display: none;
}

.chapter-banner h1 {
  display: none;
}

.chapter-banner strong {
  display: block;
  margin-top: 0;
  font-size: 0.84rem;
  color: #ffe3aa;
}

.chapter-banner .chapter-wave {
  margin: 0.16rem 0 0;
  display: block;
  font-size: 0.9rem;
  font-weight: 800;
  color: #f8f0d6;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.88);
}

.chapter-banner p:last-child {
  display: none;
}

.controls-cluster {
  gap: 0.28rem;
}

.mini-control {
  display: grid;
  gap: 0.18rem;
  padding: 0.45rem 0.58rem;
  border: 1px solid var(--edge);
  border-radius: 0.88rem;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.mini-control span {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}

.mini-control select,
.hero-select-wrap select {
  min-width: 5.7rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0.7rem;
  background: rgba(8, 12, 20, 0.92);
  color: #f1f7ff;
  padding: 0.38rem 0.55rem;
  box-shadow: inset 0 0 0 1px rgba(143, 199, 255, 0.15);
}

.icon-btn,
.primary-btn,
.mini-action,
.donate-btn,
.build-picker-btn,
.skill-btn {
  border: 1px solid rgba(255, 217, 156, 0.34);
  border-radius: 0.95rem;
  cursor: pointer;
  color: #f6fbff;
  background: linear-gradient(180deg, rgba(30, 44, 68, 0.97), rgba(14, 21, 35, 0.96));
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.88);
  transition: transform 120ms ease, filter 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
  transform-origin: center;
  will-change: transform;
  box-shadow: var(--shadow-soft);
}

.icon-btn:hover,
.primary-btn:hover,
.mini-action:hover,
.build-picker-btn:hover,
.skill-btn:hover {
  transform: translateY(-1px) scale(1.04);
  filter: brightness(1.1);
  border-color: rgba(255, 224, 170, 0.5);
  box-shadow: 0 0 0 1px rgba(255, 224, 170, 0.22), var(--shadow);
}

.icon-btn.is-clicked,
.primary-btn.is-clicked,
.mini-action.is-clicked,
.build-picker-btn.is-clicked,
.skill-btn.is-clicked,
.donate-btn.is-clicked {
  transform: translateY(0) scale(0.96);
  filter: brightness(0.96);
}

.icon-btn:disabled,
.primary-btn:disabled,
.mini-action:disabled,
.donate-btn:disabled,
.build-picker-btn:disabled,
.skill-btn:disabled,
select:disabled {
  opacity: 0.56;
  cursor: not-allowed;
  filter: saturate(0.74);
  transform: none;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(180deg, rgba(34, 50, 77, 0.96), rgba(17, 26, 42, 0.92));
}

.icon-btn.danger {
  color: #ffd1ca;
  border-color: rgba(255, 114, 114, 0.3);
}

.card-panel,
.selection-card,
.build-picker,
.tower-quick {
  background: linear-gradient(180deg, rgba(16, 25, 40, 0.94), rgba(10, 16, 28, 0.92));
  border: 1px solid var(--edge);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.announcement {
  position: absolute;
  top: calc(max(10px, env(safe-area-inset-top)) + 7.1rem);
  left: 50%;
  right: auto;
  transform: translate3d(-50%, 0, 0);
  min-width: 17rem;
  max-width: min(28rem, calc(100vw - 2rem));
  padding: 0.7rem 0.95rem;
  border: 1px solid rgba(255, 227, 171, 0.42);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(16, 25, 39, 0.96), rgba(9, 14, 23, 0.94));
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  text-align: center;
  pointer-events: none;
  z-index: 12;
}

.announcement-title {
  margin: 0;
  font-size: 0.96rem;
  color: #ffefc9;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.92), 0 0 16px rgba(255, 202, 110, 0.2);
}

.announcement-sub {
  margin: 0.18rem 0 0;
  font-size: 0.72rem;
  color: #f0f5ff;
}

.reward-popup {
  position: absolute;
  left: 50%;
  top: calc(max(10px, env(safe-area-inset-top)) + 9.3rem);
  transform: translate(-50%, 0);
  z-index: 13;
  pointer-events: none;
  padding: 0.46rem 0.7rem;
  border-radius: 0.86rem;
  border: 1px solid rgba(255, 221, 156, 0.4);
  background: linear-gradient(180deg, rgba(27, 22, 14, 0.95), rgba(16, 12, 8, 0.9));
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.38);
  text-align: center;
  opacity: 0;
}

.reward-popup strong {
  display: block;
  margin-top: 0.05rem;
  color: #ffe39d;
  font-size: 1rem;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.94), 0 0 12px rgba(255, 207, 118, 0.2);
}

.reward-tag {
  display: block;
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f3d9aa;
}

.reward-popup.show {
  animation: rewardPopDrop 1.25s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero-panel {
  left: max(6px, env(safe-area-inset-left));
  top: auto;
  bottom: max(6px, env(safe-area-inset-bottom));
  width: 9.6rem;
  padding: 0.34rem;
  border-radius: 0.84rem;
  transform: none;
}

.hero-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 0.55rem;
  cursor: grab;
  touch-action: none;
}

.hero-lock {
  padding: 0.14rem 0.42rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 228, 163, 0.34);
  background: rgba(9, 14, 24, 0.72);
  color: #ffe3aa;
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-panel.dragging .hero-header {
  cursor: grabbing;
}

.hero-name,
.castle-title,
.selection-title {
  margin: 0;
  font-size: 0.84rem;
  color: #fff7e6;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.9), 0 0 10px rgba(255, 226, 169, 0.12);
}

.hero-sub,
.castle-sub {
  margin: 0.16rem 0 0;
  font-size: 0.56rem;
  color: #afd1ff;
}

.hero-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.26rem 0.54rem;
  margin-top: 0.48rem;
  font-size: 0.56rem;
  color: #edf4ff;
}

.hero-stats-row strong {
  color: #fff8eb;
}

.xp-bar {
  margin-top: 0.45rem;
  height: 0.42rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.xp-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #8bb4ff, #f2db89);
  box-shadow: 0 0 12px rgba(146, 190, 255, 0.35);
}

.skill-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.32rem;
  margin-top: 0.52rem;
}

.skill-btn {
  position: relative;
  padding: 0.26rem 0.1rem 0.18rem;
  min-height: 2.45rem;
  display: grid;
  place-items: center;
  gap: 0.14rem;
  background: linear-gradient(180deg, rgba(24, 35, 54, 0.96), rgba(14, 20, 33, 0.96));
}

.skill-btn.speed {
  border-color: rgba(255, 158, 226, 0.38);
  box-shadow: inset 0 0 0 1px rgba(255, 146, 220, 0.08);
}

.skill-btn.power {
  border-color: rgba(255, 126, 106, 0.38);
  box-shadow: inset 0 0 0 1px rgba(255, 132, 94, 0.08);
}

.skill-btn.frost {
  border-color: rgba(124, 192, 255, 0.38);
  box-shadow: inset 0 0 0 1px rgba(138, 198, 255, 0.08);
}

.skill-btn.castle-upgrade,
.skill-btn.castle-archer {
  min-height: 2.45rem;
  min-width: 0;
}

.skill-glyph {
  font-size: 0.98rem;
  line-height: 1;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.35));
}

.skill-rank {
  font-size: 0.54rem;
  color: #fff0c5;
}

.skill-btn::after,
.skill-btn::before {
  position: absolute;
  left: 50%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease, transform 120ms ease;
}

.skill-btn::after {
  content: attr(data-skill-title) " - " attr(data-skill-detail);
  bottom: calc(100% + 9px);
  width: 12rem;
  transform: translate(-50%, 6px);
  padding: 0.52rem 0.62rem;
  border-radius: 0.72rem;
  border: 1px solid rgba(234, 214, 170, 0.34);
  background: rgba(7, 11, 19, 0.98);
  color: #fff8e8;
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: left;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.92);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.34);
}

.skill-btn::before {
  content: "";
  bottom: calc(100% + 3px);
  width: 10px;
  height: 10px;
  transform: translate(-50%, 6px) rotate(45deg);
  background: rgba(7, 11, 19, 0.95);
  border-left: 1px solid rgba(234, 214, 170, 0.24);
  border-top: 1px solid rgba(234, 214, 170, 0.24);
}

.skill-btn:hover::after,
.skill-btn:hover::before,
.skill-btn:focus-visible::after,
.skill-btn:focus-visible::before {
  opacity: 1;
  transform: translate(-50%, 0);
}

.status-tooltip {
  position: absolute;
  z-index: 14;
  max-width: min(14rem, calc(100vw - 1.2rem));
  padding: 0.44rem 0.54rem;
  border-radius: 0.62rem;
  border: 1px solid rgba(184, 211, 255, 0.36);
  background: rgba(8, 13, 22, 0.96);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.status-tooltip-title {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 800;
  color: #f6e8c2;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.88);
}

.status-tooltip-body {
  margin: 0.14rem 0 0;
  font-size: 0.6rem;
  line-height: 1.28;
  color: #e7f0ff;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.9);
}

.castle-panel {
  right: max(14px, env(safe-area-inset-right));
  top: calc(max(12px, env(safe-area-inset-top)) + 6.5rem);
  bottom: auto;
  width: 8.1rem;
  padding: 0.46rem;
  border-radius: 1rem;
}

.castle-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
  margin-top: 0.66rem;
}

.selection-card {
  left: max(14px, env(safe-area-inset-left));
  top: calc(max(12px, env(safe-area-inset-top)) + 13.2rem);
  bottom: auto;
  width: 11.2rem;
  padding: 0.46rem;
  border-radius: 1rem;
}

.selection-card p {
  margin: 0.18rem 0 0;
  font-size: 0.68rem;
  color: #edf4ff;
}

.build-picker {
  width: 17rem;
  padding: 0.68rem;
  border-radius: 1rem;
}

.build-picker-title {
  margin: 0 0 0.6rem;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff3d6;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.88);
}

.build-picker-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.42rem;
}

.build-picker-btn {
  padding: 0.55rem 0.45rem 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(46, 64, 94, 0.98), rgba(20, 29, 44, 0.98));
}

.build-picker-btn img {
  width: 2.5rem;
  height: 2.5rem;
  filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.35)) saturate(1.08) contrast(1.05);
  image-rendering: -webkit-optimize-contrast;
}

.build-picker-btn .tower-name {
  font-size: 0.82rem;
  font-weight: 800;
  color: #fff6e4;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.92), 0 0 10px rgba(255, 225, 164, 0.08);
}

.build-picker-btn .tower-cost {
  font-size: 0.7rem;
  color: var(--gold);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.94), 0 0 12px rgba(255, 205, 96, 0.16);
}

.build-picker-btn.affordable {
  border-color: rgba(123, 229, 164, 0.36);
  background: linear-gradient(180deg, rgba(39, 76, 63, 0.98), rgba(18, 41, 33, 0.98));
}

.build-picker-btn.affordable .tower-cost {
  color: #9ef0a8;
}

.build-picker-btn.expensive:not(:disabled) {
  border-color: rgba(255, 129, 107, 0.34);
  background: linear-gradient(180deg, rgba(84, 45, 41, 0.98), rgba(48, 24, 23, 0.98));
}

.build-picker-btn.expensive:not(:disabled) .tower-cost {
  color: #ff9e82;
}

.build-picker-btn:disabled {
  opacity: 1;
  border-color: rgba(120, 142, 178, 0.24);
  background: linear-gradient(180deg, rgba(40, 46, 58, 0.96), rgba(26, 30, 39, 0.96));
}

.build-picker-btn:disabled .tower-cost {
  color: #99b0d7;
}

.tower-quick {
  display: flex;
  gap: 0.34rem;
  padding: 0.28rem 0.34rem;
  border-radius: 999px;
}

.tower-quick.is-active {
  border-color: rgba(255, 226, 172, 0.66);
  box-shadow: 0 0 0 1px rgba(255, 226, 172, 0.32), 0 10px 24px rgba(4, 8, 16, 0.48);
}

.mini-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  min-width: 3.55rem;
  min-height: 2.32rem;
  padding: 0.3rem 0.58rem;
  background: linear-gradient(180deg, rgba(255, 232, 178, 0.98), rgba(220, 175, 88, 0.95));
  color: #1d130a;
  font-weight: 800;
  font-size: 0.79rem;
  border-radius: 0.74rem;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.mini-action-icon {
  font-size: 0.92rem;
  line-height: 1;
}

.mini-action-cost {
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.mini-action.danger {
  background: linear-gradient(180deg, rgba(255, 194, 176, 0.96), rgba(204, 115, 87, 0.92));
  color: #2c120c;
}

.next-wave-btn,
.start-btn,
.donate-btn {
  left: 50%;
  transform: translateX(-50%);
}

.next-wave-btn:hover,
.next-wave-btn:focus-visible {
  transform: translateX(-50%) translateY(-1px) scale(1.04);
}

.start-btn:hover,
.start-btn:focus-visible {
  transform: translateX(-50%) translateY(-1px) scale(1.04);
}

.donate-btn:hover,
.donate-btn:focus-visible {
  transform: translateX(-50%) scale(1.04);
  filter: brightness(1.08);
}

.next-wave-btn.is-clicked,
.start-btn.is-clicked,
.donate-btn.is-clicked {
  transform: translateX(-50%) scale(0.96);
}

.start-btn {
  bottom: calc(max(16px, env(safe-area-inset-bottom)) + 8.1rem);
  padding-inline: 1.35rem;
  box-shadow: 0 0 0 0 rgba(255, 224, 160, 0.56), var(--shadow);
  animation: startPulse 1.5s ease-in-out infinite;
}

.start-btn.is-urgent {
  animation-duration: 0.9s;
}

.next-wave-btn {
  bottom: calc(max(14px, env(safe-area-inset-bottom)) + 4.3rem);
}

.primary-btn,
.donate-btn {
  padding: 0.72rem 1rem;
  background: linear-gradient(180deg, rgba(255, 233, 181, 0.98), rgba(220, 171, 82, 0.95));
  color: #201307;
  font-weight: 900;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow);
  text-shadow: none;
}

.primary-btn.ghost {
  background: linear-gradient(180deg, rgba(28, 39, 61, 0.96), rgba(16, 22, 34, 0.94));
  color: #f7f4ea;
}

.donate-btn {
  bottom: max(14px, env(safe-area-inset-bottom));
}

.pause-modal {
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(4, 8, 14, 0.5);
  backdrop-filter: blur(7px);
}

.td-guide-shell {
  width: min(74rem, calc(100vw - 1rem));
  margin: 0.72rem auto 1rem;
  padding: 0 0.2rem;
}

.guide-drawer {
  position: static;
  z-index: 1;
  border: 1px solid rgba(170, 206, 255, 0.36);
  border-radius: 0.9rem;
  background: linear-gradient(180deg, rgba(12, 20, 32, 0.92), rgba(7, 12, 20, 0.92));
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
  color: #e6f0ff;
}

.guide-drawer summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #f6e6be;
  padding: 0.52rem 0.72rem;
}

.guide-drawer summary::-webkit-details-marker {
  display: none;
}

.guide-drawer[open] summary {
  border-bottom: 1px solid rgba(170, 206, 255, 0.2);
}

.guide-grid {
  padding: 0.58rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.46rem;
}

.guide-card {
  border: 1px solid rgba(170, 206, 255, 0.2);
  border-radius: 0.76rem;
  background: rgba(6, 11, 18, 0.72);
  padding: 0.46rem 0.52rem;
}

.guide-card h2 {
  margin: 0;
  font-size: 0.78rem;
  color: #fff3d0;
}

.guide-card p,
.guide-card li,
.guide-card td,
.guide-card th {
  font-size: 0.64rem;
  color: #d6e5ff;
}

.guide-card ul {
  margin: 0.36rem 0 0;
  padding-left: 0.9rem;
}

.guide-card table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.36rem;
}

.guide-card td,
.guide-card th {
  text-align: left;
  border-bottom: 1px solid rgba(170, 206, 255, 0.14);
  padding: 0.2rem 0.12rem;
}

@keyframes startPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 224, 160, 0.52), var(--shadow);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 224, 160, 0), var(--shadow);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 224, 160, 0), var(--shadow);
  }
}

@keyframes rewardPopDrop {
  0% {
    opacity: 0;
    transform: translate(-50%, 14px) scale(0.82);
  }
  22% {
    opacity: 1;
    transform: translate(-50%, -18px) scale(1.04);
  }
  58% {
    opacity: 1;
    transform: translate(-50%, -10px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, 6px) scale(0.98);
  }
}

.pause-card {
  width: min(25rem, calc(100vw - 2rem));
  padding: 1.15rem;
  border-radius: 1.2rem;
  border: 1px solid rgba(255, 223, 170, 0.22);
  background: linear-gradient(180deg, rgba(13, 21, 34, 0.96), rgba(8, 13, 22, 0.98));
  box-shadow: var(--shadow);
  text-align: center;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.pause-card[data-state="pause"] {
  border-color: rgba(255, 223, 170, 0.22);
}

.pause-card[data-state="victory"] {
  border-color: rgba(140, 231, 191, 0.44);
  box-shadow: 0 0 0 1px rgba(140, 231, 191, 0.2), var(--shadow);
}

.pause-card[data-state="victory"] .pause-title {
  color: #cbffe7;
}

.pause-card[data-state="defeat"] {
  border-color: rgba(255, 155, 132, 0.42);
  box-shadow: 0 0 0 1px rgba(255, 155, 132, 0.2), var(--shadow);
}

.pause-card[data-state="defeat"] .pause-title {
  color: #ffd4c9;
}

.pause-title {
  margin: 0;
  font-size: 1.3rem;
  color: #fff0cb;
}

.pause-copy {
  margin: 0.5rem 0 0;
  color: #d7dfef;
}

.pause-actions {
  margin-top: 1rem;
  display: flex;
  gap: 0.55rem;
  justify-content: center;
  flex-wrap: wrap;
}

[hidden] {
  display: none !important;
}

@media (max-width: 980px) {
  .chapter-banner {
    width: min(22rem, calc(100vw - 22rem));
    padding: 0.52rem 0.7rem;
  }

  .chapter-banner h1 {
    font-size: 0.76rem;
  }

  .hero-panel,
  .selection-card {
    width: 10.6rem;
  }

  .castle-panel {
    width: 7.6rem;
  }
}

@media (max-width: 760px) {
  .loading-card {
    width: min(17.5rem, calc(100vw - 1rem));
    padding: 0.76rem 0.82rem;
  }

  .loading-title {
    font-size: 1rem;
  }

  .loading-copy {
    font-size: 0.68rem;
  }

  .hud-topbar-shell {
    top: max(6px, env(safe-area-inset-top));
    left: max(6px, env(safe-area-inset-left));
    right: max(6px, env(safe-area-inset-right));
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "chapter controls"
      "stats stats";
    gap: 0.2rem 0.24rem;
    padding: 0;
    border-radius: 0;
  }

  .top-left,
  .top-right {
    max-width: none;
    width: 100%;
  }

  .top-left {
    gap: 0.2rem;
  }

  .top-right {
    justify-content: flex-end;
    gap: 0.2rem;
    width: auto;
    align-items: flex-start;
  }

  .chip {
    min-width: 3.45rem;
    padding: 0.24rem 0.4rem;
    border-radius: 0.66rem;
  }

  .chip-label {
    font-size: 0.46rem;
  }

  .chip strong {
    font-size: 0.72rem;
  }

  .rank-chip,
  .tech-chip {
    min-width: 5.75rem;
  }

  .rank-chip .chip-meta,
  .tech-chip .chip-meta {
    display: none;
  }

  .chapter-banner {
    width: min(15.5rem, 74vw);
    justify-self: start;
    padding: 0.28rem 0.42rem;
    border-radius: 0.7rem;
  }

  .announcement {
    top: calc(max(8px, env(safe-area-inset-top)) + 6.7rem);
    left: 50%;
    transform: translate3d(-50%, 0, 0);
    min-width: 13.5rem;
    padding: 0.56rem 0.72rem;
  }

  .reward-popup {
    top: calc(max(8px, env(safe-area-inset-top)) + 8.8rem);
    padding: 0.38rem 0.56rem;
  }

  .reward-popup strong {
    font-size: 0.84rem;
  }

  .announcement-title {
    font-size: 0.82rem;
  }

  .announcement-sub {
    font-size: 0.64rem;
  }

  .chapter-banner .eyebrow,
  .chapter-banner p:last-child {
    display: none;
  }

  .chapter-banner .chapter-wave {
    font-size: 0.74rem;
  }

  .controls-cluster {
    gap: 0.22rem;
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .mini-control {
    padding: 0.22rem 0.3rem;
    border-radius: 0.72rem;
  }

  .mini-control span {
    display: none;
  }

  .mini-control select,
  .hero-select-wrap select {
    min-width: 4.2rem;
    padding: 0.24rem 0.36rem;
    font-size: 0.68rem;
  }

  .icon-btn {
    width: 2rem;
    height: 2rem;
    border-radius: 0.8rem;
    font-size: 0.72rem;
  }

  .hero-panel {
    left: max(4px, env(safe-area-inset-left));
    top: auto;
    bottom: max(4px, env(safe-area-inset-bottom));
    width: 7.2rem;
    padding: 0.28rem;
  }

  .hero-stats-row {
    gap: 0.22rem 0.42rem;
    font-size: 0.52rem;
  }

  .hero-name,
  .castle-title,
  .selection-title {
    font-size: 0.72rem;
  }

  .hero-sub,
  .castle-sub {
    font-size: 0.5rem;
  }

  .skill-row {
    gap: 0.26rem;
  }

  .skill-btn {
    min-height: 2.25rem;
    border-radius: 0.82rem;
    padding: 0.2rem 0.1rem 0.14rem;
  }

  .skill-btn.castle-upgrade,
  .skill-btn.castle-archer {
    min-height: 2.25rem;
  }

  .skill-btn .skill-glyph {
    font-size: 0.84rem;
  }

  .skill-rank {
    font-size: 0.42rem;
  }

  .selection-card {
    top: calc(max(8px, env(safe-area-inset-top)) + 10.4rem);
    bottom: auto;
    width: 8.8rem;
    padding: 0.36rem;
  }

  .selection-card p {
    font-size: 0.6rem;
  }

  .castle-panel {
    top: calc(max(8px, env(safe-area-inset-top)) + 9.9rem);
    bottom: auto;
    width: 6.2rem;
    padding: 0.34rem;
  }

  .build-picker {
    width: min(13.2rem, calc(100vw - 0.75rem));
    padding: 0.48rem;
  }

  .build-picker-btn {
    min-height: 4.8rem;
    padding: 0.36rem 0.26rem;
  }

  .build-picker-btn img {
    width: 1.8rem;
    height: 1.8rem;
  }

  .build-picker-btn .tower-name {
    font-size: 0.66rem;
  }

  .build-picker-btn .tower-cost {
    font-size: 0.56rem;
  }

  .mini-action {
    min-width: 3.75rem;
    min-height: 2.5rem;
    padding: 0.42rem 0.72rem;
    font-size: 0.8rem;
  }

  .next-wave-btn {
    bottom: calc(max(12px, env(safe-area-inset-bottom)) + 3.9rem);
  }

  .start-btn {
    bottom: calc(max(12px, env(safe-area-inset-bottom)) + 6.9rem);
  }

  .primary-btn,
  .donate-btn {
    padding: 0.54rem 0.72rem;
    font-size: 0.72rem;
  }

  .td-guide-shell {
    width: calc(100vw - 0.4rem);
    margin: 0.54rem auto 0.8rem;
    padding: 0;
  }

  .guide-drawer summary {
    font-size: 0.64rem;
    padding: 0.42rem 0.55rem;
  }

  .guide-grid {
    grid-template-columns: 1fr;
    gap: 0.34rem;
    max-height: min(44svh, 17.5rem);
    overflow: auto;
  }
}

@media (hover: none) and (pointer: coarse) {
  .hud-topbar-shell {
    top: max(6px, env(safe-area-inset-top));
    left: max(6px, env(safe-area-inset-left));
    right: max(6px, env(safe-area-inset-right));
  }

  .top-left,
  .top-right {
    max-width: none;
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
  .hud-topbar-shell {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas:
      "stats chapter controls";
    gap: 0.18rem;
    padding: 0;
  }

  .chapter-banner {
    width: min(14rem, 36vw);
  }

  .top-left {
    gap: 0.18rem;
  }

  .top-right {
    gap: 0.18rem;
  }

  .rank-chip .chip-meta,
  .tech-chip .chip-meta {
    display: none;
  }

  .chip {
    min-width: 3.3rem;
    padding: 0.22rem 0.34rem;
  }

  .chip-label {
    font-size: 0.43rem;
  }

  .chip strong {
    font-size: 0.68rem;
  }

  .mini-control {
    padding: 0.18rem 0.24rem;
  }

  .mini-control select {
    min-width: 3.7rem;
    font-size: 0.64rem;
    padding: 0.2rem 0.3rem;
  }

  .icon-btn {
    width: 1.9rem;
    height: 1.9rem;
    font-size: 0.7rem;
  }

  .announcement {
    top: calc(max(8px, env(safe-area-inset-top)) + 4.8rem);
  }

  .castle-panel {
    top: calc(max(8px, env(safe-area-inset-top)) + 5.6rem);
  }
}