:root {
  --ui-panel: url("assets/ui/panel-bg.png");
  --ui-panel-alt: url("assets/ui/panel-bg-alt.png");
  --ui-button-primary: url("assets/ui/button-primary.png");
  --ui-button-secondary: url("assets/ui/button-secondary.png");
  --ui-button-disabled: url("assets/ui/button-disabled.png");
  --ui-menu-card: url("assets/ui/menu-card.png");
  --ui-badge-pill: url("assets/ui/badge-pill.png");
  --page-top: #fff6fb;
  --page-mid: #eef9ff;
  --page-bottom: #edfef3;
  --ink-strong: #354462;
  --ink-soft: #7685a4;
  --accent-pink: #ff7eb7;
  --accent-blue: #78cfff;
  --accent-mint: #7fe1b1;
  --accent-gold: #ffd97b;
  --panel-bg: rgba(255, 255, 255, 0.78);
  --panel-stroke: rgba(255, 255, 255, 0.86);
  --shadow-soft: 0 24px 55px rgba(106, 118, 161, 0.18);
  --shadow-accent: 0 16px 34px rgba(255, 126, 183, 0.25);
}

* {
  box-sizing: border-box;
}

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

body {
  position: relative;
  overflow-x: hidden;
  color: var(--ink-strong);
  font-family: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 14%, rgba(255, 145, 199, 0.28), transparent 24%),
    radial-gradient(circle at 86% 18%, rgba(125, 220, 255, 0.26), transparent 23%),
    radial-gradient(circle at 24% 78%, rgba(127, 225, 177, 0.22), transparent 24%),
    linear-gradient(180deg, var(--page-top), var(--page-mid) 46%, var(--page-bottom));
}

.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;
}

button,
select,
input {
  font: inherit;
}

.grid-bloom,
.petal-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.grid-bloom {
  background-image:
    linear-gradient(rgba(125, 220, 255, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 220, 255, 0.09) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 42%, transparent 92%);
}

.petal-glow {
  background:
    radial-gradient(circle at 15% 28%, rgba(255, 126, 183, 0.12), transparent 14%),
    radial-gradient(circle at 82% 64%, rgba(127, 225, 177, 0.13), transparent 14%),
    radial-gradient(circle at 52% 12%, rgba(255, 217, 123, 0.14), transparent 10%);
  mix-blend-mode: screen;
}

.game-shell {
  position: relative;
  z-index: 1;
  width: min(1360px, calc(100% - 30px));
  margin: 0 auto;
  padding: 26px 0 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding: 24px 26px;
  margin-bottom: 18px;
  border-radius: 30px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-stroke);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  background-image: var(--ui-panel);
  background-size: cover;
  background-position: center;
}

.title-wrap {
  max-width: 620px;
}

.title-wrap h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.98;
  letter-spacing: 0.01em;
  font-family: "Cooper Black", "Trebuchet MS", cursive;
}

.game-logo {
  display: block;
  width: min(500px, 100%);
  margin: 0;
  filter: drop-shadow(0 14px 24px rgba(113, 133, 186, 0.18));
}

.intro {
  margin: 14px 0 0;
  line-height: 1.65;
  color: var(--ink-soft);
}

.eyebrow,
.section-kicker,
.overlay-tag,
.hud-item label,
.meta-chip label,
.tower-price,
.world-chip,
.tower-stat-label {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.73rem;
  color: var(--ink-soft);
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.quick-links a {
  color: var(--ink-strong);
  text-decoration: none;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 18px rgba(132, 144, 184, 0.08);
  transition: transform 120ms ease, box-shadow 120ms ease;
  background-image: var(--ui-badge-pill);
  background-size: 100% 100%;
  background-position: center;
}

.quick-links .mini-link {
  color: var(--ink-soft);
}

.quick-links a:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(132, 144, 184, 0.12);
}

.hud {
  display: grid;
  grid-template-columns: repeat(3, minmax(126px, 1fr));
  gap: 12px;
  min-width: min(470px, 100%);
}

.hud-item,
.meta-chip,
.status-card,
.panel-block,
.canvas-frame {
  background: var(--panel-bg);
  border: 1px solid var(--panel-stroke);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  background-image: var(--ui-panel);
  background-size: cover;
  background-position: center;
}

.hud-item {
  position: relative;
  min-height: 88px;
  padding: 14px 16px 14px 68px;
  border-radius: 22px;
}

.hud-item strong {
  display: block;
  font-size: 1.36rem;
}

.hud-item::before,
.meta-chip::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.hud-world::before {
  background-image: url("assets/icons/icon-world-reward.png");
}

.hud-wave::before,
.hud-remaining::before {
  background-image: url("assets/icons/icon-wave.png");
}

.hud-lives::before {
  background-image: url("assets/icons/icon-lives-heart.png");
}

.hud-petals::before {
  background-image: url("assets/icons/icon-petals-currency.png");
}

.hud-variant::before {
  background-image: url("assets/icons/icon-speed.png");
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 18px;
  align-items: start;
}

.mission-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.status-card {
  flex: 1;
  padding: 16px 18px;
  border-radius: 22px;
}

.status-line {
  margin: 0;
  line-height: 1.55;
  font-size: 1.02rem;
}

.toolbar-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar-actions .pill-button {
  padding: 11px 16px;
  font-size: 0.94rem;
}

.sound-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: 0 14px 24px rgba(120, 134, 166, 0.1);
  backdrop-filter: blur(10px);
}

.volume-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 154px;
}

.volume-label,
.volume-value {
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 700;
}

.volume-label {
  min-width: 28px;
}

.volume-value {
  min-width: 38px;
  text-align: right;
}

.volume-slider {
  flex: 1;
  accent-color: #7bcfff;
  cursor: pointer;
}

.volume-slider:disabled {
  cursor: default;
  opacity: 0.5;
}

.pill-button,
.mini-btn,
.overlay-actions button,
.tower-button,
.world-card {
  appearance: none;
  border: 0;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
}

.pill-button,
.overlay-actions button,
.tower-button {
  border-radius: 999px;
}

.pill-button {
  padding: 13px 18px;
  color: white;
  background: linear-gradient(135deg, var(--accent-pink), #ffab7e);
  box-shadow: var(--shadow-accent);
  background-image: var(--ui-button-primary);
  background-size: 100% 100%;
  background-position: center;
}

.pill-button.secondary,
.mini-btn.secondary,
.overlay-actions .secondary {
  color: var(--ink-strong);
  background: linear-gradient(135deg, #ffffff, #ecfff6);
  box-shadow: 0 12px 22px rgba(125, 193, 171, 0.15);
  background-image: var(--ui-button-secondary);
  background-size: 100% 100%;
  background-position: center;
}

.mini-btn {
  padding: 12px 16px;
  border-radius: 16px;
  color: white;
  background: linear-gradient(135deg, var(--accent-blue), #8fe5ff);
  box-shadow: 0 12px 22px rgba(120, 207, 255, 0.18);
  background-image: var(--ui-button-primary);
  background-size: 100% 100%;
  background-position: center;
}

.pill-button:hover,
.mini-btn:hover,
.overlay-actions button:hover,
.tower-button:hover,
.world-card:hover,
.tower-card:hover {
  transform: translateY(-2px);
}

.pill-button:disabled,
.mini-btn:disabled,
.tower-button:disabled,
.world-card:disabled {
  opacity: 0.48;
  cursor: default;
  transform: none;
  box-shadow: none;
  background-image: var(--ui-button-disabled);
  background-size: 100% 100%;
}

.meta-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.meta-chip {
  position: relative;
  padding: 14px 16px 14px 62px;
  border-radius: 20px;
  background-image: var(--ui-panel-alt);
}

.meta-chip strong {
  display: block;
  font-size: 1.2rem;
}

.meta-towers::before {
  background-image: url("assets/icons/icon-range.png");
}

.meta-unlocked::before {
  background-image: url("assets/icons/icon-wave.png");
}

.meta-reward::before {
  background-image: url("assets/icons/icon-world-reward.png");
}

.canvas-frame {
  padding: 14px;
  border-radius: 28px;
  overflow: hidden;
}

.canvas-stage {
  position: relative;
}

#game-canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.12));
}

.action-menu {
  position: absolute;
  z-index: 3;
  width: min(286px, calc(100% - 20px));
  max-height: calc(100% - 20px);
  padding: 12px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 45px rgba(93, 107, 145, 0.28);
  backdrop-filter: blur(18px);
  background-image: var(--ui-menu-card);
  background-size: cover;
  background-position: center;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
}

.action-menu-head,
.menu-option-row,
.menu-stats,
.menu-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.action-menu-head {
  margin-bottom: 8px;
}

.action-menu h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  line-height: 1.2;
}

.action-menu p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.36;
  font-size: 0.89rem;
}

.menu-tag {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  color: var(--ink-soft);
}

.menu-close {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.84);
  color: var(--ink-strong);
  box-shadow: 0 10px 18px rgba(125, 193, 171, 0.12);
}

.menu-options {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.menu-option-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-option-top .menu-option-row,
.menu-option-main {
  flex: 1;
  min-width: 0;
}

.menu-option-row strong {
  font-size: 0.92rem;
  line-height: 1.16;
}

.menu-cost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--ink-strong);
  font-size: 0.74rem;
  font-weight: 700;
}

.menu-copy {
  max-width: 92%;
}

.menu-thumb {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 8px 12px rgba(109, 135, 177, 0.14));
}

.menu-thumb-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 999px;
  box-shadow: inset 0 -5px 10px rgba(67, 84, 118, 0.12);
}

.menu-thumb-fallback::before,
.menu-thumb-fallback::after {
  content: "";
  position: absolute;
  inset: 0;
}

.menu-thumb-seismic {
  background: radial-gradient(circle at 50% 34%, #f8f4ff 0 30%, #d7cffd 31% 62%, #a39ae6 63% 100%);
  border-radius: 38% 38% 46% 46%;
}

.menu-thumb-seismic::before {
  inset: 13px 12px;
  background: linear-gradient(180deg, #f9fcff, #b8b0ff);
  clip-path: polygon(0 40%, 28% 0, 100% 0, 72% 58%, 100% 100%, 34% 100%);
}

.menu-thumb-seismic::after {
  inset: 18px 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(184, 176, 255, 0.55));
  clip-path: polygon(0 34%, 36% 34%, 16% 100%, 62% 100%, 46% 60%, 100% 60%, 100% 34%, 58% 34%, 76% 0, 30% 0);
}

.menu-thumb-poison {
  background: radial-gradient(circle at 46% 28%, #fbfff8 0 24%, #c8f4be 25% 62%, #77cf88 63% 100%);
}

.menu-thumb-poison::before {
  inset: 11px 13px 10px;
  background: linear-gradient(180deg, #efffe9, #7bdc8f);
  border-radius: 52% 52% 64% 64%;
  clip-path: polygon(50% 0, 88% 34%, 78% 80%, 50% 100%, 22% 80%, 12% 34%);
}

.menu-thumb-poison::after {
  inset: 18px 18px 16px;
  background: radial-gradient(circle at 50% 36%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.18) 74%);
  border-radius: 999px;
}

.menu-option {
  width: 100%;
  padding: 10px 11px;
  border: 1px solid rgba(255, 255, 255, 0.94);
  border-radius: 16px;
  text-align: left;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 12px 24px rgba(119, 131, 157, 0.08);
}

.menu-option-copy {
  margin-top: 4px;
  font-size: 0.78rem;
  line-height: 1.26;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.menu-option:disabled,
.menu-option.disabled {
  opacity: 0.5;
  cursor: default;
  box-shadow: none;
}

.menu-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.menu-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink-strong);
  font-size: 0.73rem;
  background-image: var(--ui-badge-pill);
  background-size: 100% 100%;
  background-position: center;
}

.action-menu.build-menu .menu-option {
  position: relative;
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 8px;
  overflow: visible;
}

.action-menu.build-menu .menu-copy {
  margin-bottom: 2px;
}

.action-menu.build-menu {
  width: min(314px, calc(100% - 20px));
  overflow: visible;
  padding-bottom: 118px;
}

.action-menu.build-menu .menu-options {
  position: relative;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-items: start;
  isolation: isolate;
}

.action-menu.build-menu .menu-option.icon-only {
  background: rgba(255, 255, 255, 0.82);
  z-index: 0;
}

.action-menu.build-menu .menu-option.icon-only:hover,
.action-menu.build-menu .menu-option.icon-only:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(119, 131, 157, 0.14);
  z-index: 8;
}

.action-menu.build-menu .menu-thumb {
  flex: 0 0 58px;
  width: 58px;
  height: 58px;
}

.action-menu.build-menu .menu-option.disabled .menu-thumb {
  filter: grayscale(0.28) saturate(0.74) brightness(0.9);
}

.action-menu.build-menu .menu-option.disabled .menu-thumb-fallback {
  opacity: 0.7;
  filter: grayscale(0.18) saturate(0.78);
}

.menu-hovercard {
  position: absolute;
  left: 50%;
  top: calc(100% + 10px);
  z-index: 6;
  width: 172px;
  padding: 10px 11px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.98);
  box-shadow: 0 22px 38px rgba(92, 104, 143, 0.24);
  transform: translate(-50%, 6px) scale(0.98);
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease, transform 120ms ease;
}

.action-menu.build-menu .menu-option:nth-child(n + 4) .menu-hovercard {
  top: auto;
  bottom: calc(100% + 10px);
}

.menu-option:hover .menu-hovercard,
.menu-option:focus-visible .menu-hovercard {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

.menu-hovercard .menu-option-copy {
  margin-top: 6px;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

.menu-hovercard .menu-badges {
  margin-top: 8px;
}

.menu-hoverdesc {
  margin-top: 8px !important;
  font-size: 0.76rem !important;
  line-height: 1.3 !important;
}

.menu-stats {
  margin-top: 12px;
  flex-wrap: wrap;
}

.menu-stat {
  flex: 1 1 88px;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.menu-stat strong {
  display: block;
  margin-top: 6px;
}

.menu-actions {
  margin-top: 14px;
}

.menu-actions .mini-btn {
  flex: 1;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-block {
  padding: 18px;
  border-radius: 24px;
  background-image: var(--ui-panel-alt);
}

.panel-block h2 {
  margin: 0 0 14px;
  font-size: 1.08rem;
}

.panel-block p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.panel-block p + p {
  margin-top: 10px;
}

.tower-catalog,
.world-list,
.wave-preview {
  display: grid;
  gap: 12px;
}

.tower-card {
  padding: 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 14px 28px rgba(119, 131, 157, 0.1);
}

.tower-card.selected {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 241, 247, 0.92));
  border-color: rgba(255, 126, 183, 0.5);
  box-shadow: 0 18px 34px rgba(255, 126, 183, 0.14);
}

.tower-card.locked-cost {
  opacity: 0.76;
}

.tower-card h3,
.world-card strong {
  margin: 0;
  font-size: 1rem;
}

.tower-card p,
.world-card p,
.tower-detail p {
  margin: 0;
  color: var(--ink-soft);
}

.tower-copy {
  margin-top: 8px;
  line-height: 1.5;
}

.tower-row,
.tower-stats,
.world-meta,
.inline-controls {
  display: flex;
  gap: 10px;
}

.tower-row,
.world-meta {
  justify-content: space-between;
  align-items: center;
}

.tower-stats {
  flex-wrap: wrap;
  margin-top: 10px;
}

.tower-pill,
.wave-chip,
.world-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink-strong);
}

.tower-button {
  margin-top: 12px;
  width: 100%;
  padding: 11px 14px;
  color: #08243a;
  background: linear-gradient(135deg, #a7f1ff, #9af2c6);
  box-shadow: 0 12px 22px rgba(122, 213, 221, 0.2);
  font-weight: 700;
}

.tower-detail {
  min-height: 92px;
}

.tower-detail h3 {
  margin: 0 0 10px;
}

.tower-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.tower-detail-card {
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.66);
}

.inline-controls {
  margin-top: 14px;
}

.inline-controls > * {
  flex: 1;
}

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

.wave-chip {
  justify-content: center;
  min-height: 42px;
  background: rgba(255, 255, 255, 0.68);
  background-image: var(--ui-badge-pill);
  background-size: 100% 100%;
  background-position: center;
}

.world-card {
  width: 100%;
  padding: 14px;
  text-align: left;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: 0 12px 22px rgba(119, 131, 157, 0.12);
  background-image: var(--ui-panel-alt);
  background-size: cover;
  background-position: center;
}

.world-card.active {
  border-color: rgba(120, 207, 255, 0.6);
  box-shadow: 0 16px 30px rgba(120, 207, 255, 0.18);
}

.world-card.locked {
  opacity: 0.58;
}

.world-card.completed {
  border-color: rgba(127, 225, 177, 0.58);
}

.world-card p {
  margin-top: 8px;
  line-height: 1.45;
}

.world-meta {
  margin-top: 10px;
  flex-wrap: wrap;
}

.hint {
  color: var(--ink-soft);
}

select {
  width: 100%;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink-strong);
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  padding: 3px 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.9);
  color: var(--ink-strong);
  box-shadow: inset 0 -2px 0 rgba(120, 207, 255, 0.15);
}

.ad-zone {
  width: min(1360px, calc(100% - 30px));
  margin: 0 auto 28px;
  padding: 0 0 18px;
  position: relative;
  z-index: 1;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 5;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 22px;
  background: rgba(74, 92, 132, 0.34);
  backdrop-filter: blur(9px);
}

.overlay.visible {
  display: flex;
}

.overlay .panel {
  width: min(540px, 100%);
  padding: 28px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(246, 255, 250, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.96);
  box-shadow: 0 34px 60px rgba(95, 109, 147, 0.28);
}

.overlay .panel h2 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-family: "Cooper Black", "Trebuchet MS", cursive;
}

.overlay .panel p {
  margin: 0;
  line-height: 1.6;
}

.overlay .panel p + p {
  margin-top: 10px;
  color: var(--ink-soft);
}

.overlay-actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}

.overlay-actions button {
  flex: 1;
  padding: 13px 16px;
}

.hidden {
  display: none !important;
}

@media (max-width: 1180px) {
  .topbar,
  .mission-row {
    flex-direction: column;
  }

  .hud {
    width: 100%;
    min-width: 0;
  }

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

@media (max-width: 760px) {
  .game-shell {
    width: min(100% - 18px, 100%);
    padding-top: 18px;
  }

  .topbar,
  .panel-block,
  .canvas-frame,
  .status-card {
    border-radius: 22px;
  }

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

  .meta-row,
  .wave-preview,
  .tower-detail-grid {
    grid-template-columns: 1fr;
  }

  .toolbar-actions,
  .overlay-actions,
  .inline-controls,
  .menu-actions {
    flex-direction: column;
  }

  .sound-controls,
  .volume-control {
    width: 100%;
  }
}