/* base.css — extracted from style.css for modular structure */

:root {
  --bg-1: #07131e;
  --bg-2: #0d2233;
  --bg-3: #132d43;
  --panel: rgba(8, 15, 24, 0.82);
  --panel-soft: rgba(22, 35, 50, 0.75);
  --stroke: rgba(255, 255, 255, 0.12);
  --text: #eef7ff;
  --muted: rgba(238, 247, 255, 0.72);
  --accent: #75c6ff;
  --accent-2: #8f7dff;
  --danger: #ff5d78;
  --warn: #ffd257;
  --good: #49d7a9;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  --radius: 22px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 15%, rgba(117, 198, 255, 0.22), transparent 35%),
    radial-gradient(circle at 78% 20%, rgba(143, 125, 255, 0.16), transparent 30%),
    linear-gradient(180deg, var(--bg-3), var(--bg-2) 35%, var(--bg-1));
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(180deg, rgba(255,255,255,0.015), rgba(255,255,255,0.015) 1px, transparent 1px, transparent 4px),
    linear-gradient(90deg, rgba(255,255,255,0.015), transparent 30%, transparent 70%, rgba(255,255,255,0.015));
  pointer-events: none;
  opacity: .25;
}
button, input {
  font: inherit;
}
button {
  cursor: pointer;
}
.hidden {
  display: none !important;
}

.app-shell {
  min-height: 100vh;
  padding: calc(14px + var(--safe-top)) 14px calc(16px + var(--safe-bottom));
}

.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  width: min(1180px, 100%);
  margin: 0 auto 14px;
}
.back-link, .icon-btn, .small-btn, .main-btn, .ghost-btn, .menu-option, .mobile-btn, .bay-btn, .action-plate, .skin-btn {
  border: 1px solid var(--stroke);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.back-link {
  text-decoration: none;
  padding: 12px 14px;
  font-weight: 700;
  box-shadow: var(--shadow);
}
.back-link:hover,
.icon-btn:hover,
.small-btn:hover,
.main-btn:hover,
.ghost-btn:hover,
.menu-option:hover,
.mobile-btn:hover,
.bay-btn:hover,
.action-plate:hover,
.skin-btn:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.11);
}
.brand-wrap {
  text-align: center;
}
.brand-kicker,
.section-label,
.logo-sub,
.hud-mode {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 11px;
  color: var(--accent);
}
.topbar h1 {
  margin: 4px 0 0;
  font-size: clamp(28px, 5vw, 44px);
}
.icon-btn {
  width: 52px;
  height: 52px;
  font-size: 20px;
}

.screen {
  display: none;
}
.screen.active {
  display: block;
}

.menu-screen,
.story-screen,
.tutorial-screen,
.result-screen,
.mini-screen,
.game-screen {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.menu-card,
.story-panel,
.tutorial-card,
.result-card,
.hud-card,
.overlay-card {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.title-card {
  padding: 26px;
  margin-bottom: 14px;
}
.game-title {
  margin: 6px 0 10px;
  font-size: clamp(40px, 9vw, 72px);
  letter-spacing: .06em;
}
.menu-text {
  margin: 0;
  max-width: 860px;
  color: var(--muted);
  line-height: 1.5;
}
.menu-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(290px, 380px) 1fr;
}
.nav-card,
.info-card,
.footer-card {
  padding: 20px;
}
.menu-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}
.menu-option {
  text-align: left;
  padding: 16px 18px;
  font-size: 17px;
  font-weight: 800;
}
.menu-option.selected,
.menu-option:focus-visible,
.main-btn,
.skin-btn.active {
  background: linear-gradient(135deg, rgba(117,198,255,0.34), rgba(143,125,255,0.35));
  border-color: rgba(160, 207, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(117, 198, 255, 0.12);
}
.menu-hint {
  color: var(--muted);
  font-size: 13px;
  margin-top: 12px;
}
.control-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.control-columns h3 {
  margin: 12px 0 10px;
}
.control-columns ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}
.footer-card {
  margin-top: 14px;
}
.progress-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  margin-bottom: 16px;
}
.command-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.command-wrap input {
  flex: 1 1 260px;
  min-width: 180px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.07);
  color: var(--text);
}
.small-btn,
.main-btn,
.ghost-btn,
.skin-btn {
  padding: 14px 18px;
  font-weight: 800;
}
.ghost-btn {
  background: rgba(255,255,255,0.04);
}
.story-panel,
.tutorial-card,
.result-card {
  padding: 24px;
  max-width: 900px;
  margin: 14px auto 0;
}
.story-text {
  min-height: 230px;
  white-space: pre-line;
  font-size: clamp(18px, 3vw, 24px);
  line-height: 1.6;
  color: var(--text);
  padding: 18px 0;
}
.skip-wrap {
  display: grid;
  gap: 14px;
}
.skip-instruction {
  color: var(--muted);
  font-size: 14px;
}
.skip-bar {
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.skip-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.story-actions,
.overlay-actions,
.skin-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.story-actions .main-btn,
.story-actions .ghost-btn,
.overlay-actions .main-btn,
.overlay-actions .ghost-btn {
  min-width: 160px;
}
.tutorial-preview {
  min-height: 150px;
  border-radius: 18px;
  border: 1px dashed rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.035);
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  padding: 16px;
  margin: 20px 0;
}

.hud-top,
.hud-bottom,
.mini-top,
.mini-bottom {
  padding: 14px 16px;
}
.hud-top,
.mini-top {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
}
.hud-center,
.hud-right {
  display: flex;
  gap: 12px;
  align-items: center;
}
.hud-level {
  font-size: clamp(18px, 4vw, 28px);
  font-weight: 900;
}
.timer-wrap {
  min-width: 98px;
  text-align: center;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255,255,255,0.06);
}
.timer-wrap span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.timer-wrap b {
  font-size: 22px;
}
.objective-chip {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(73, 215, 169, 0.12);
  color: #b8ffe8;
  border: 1px solid rgba(73, 215, 169, 0.3);
  text-align: center;
}
.hud-bottom,
.mini-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-top: 14px;
}
.message-tape {
  flex: 1;
  min-height: 24px;
  color: var(--text);
}
.controls-mini {
  color: var(--muted);
  font-size: 13px;
}