/**
 * css/style.css
 * Mobile-First Safe-Zone Layout, Glassmorphic Gothic HUD, and Native <dialog> Modals.
 */

:root {
  --bg-deep: #0b0914;
  --panel-bg: rgba(18, 14, 32, 0.84);
  --panel-border: rgba(255, 117, 143, 0.28);
  --accent-crimson: #ff2a6d;
  --accent-gold: #ffbe0b;
  --accent-cyan: #00f5d4;
  --text-main: #f8f9fa;
  --text-muted: #b8b5c8;

  /* Strict Mobile Safe Zone Insets (minimum 20px guaranteed on all edges) */
  --safe-top: max(20px, env(safe-area-inset-top, 20px));
  --safe-right: max(20px, env(safe-area-inset-right, 20px));
  --safe-bottom: max(22px, env(safe-area-inset-bottom, 22px));
  --safe-left: max(20px, env(safe-area-inset-left, 20px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  width: 100dvw;
  height: 100dvh;
  overflow: hidden;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  user-select: none;
  -webkit-user-select: none;
}

main {
  position: relative;
  width: 100dvw;
  height: 100dvh;
  overflow: hidden;
}

#game-canvas {
  display: block;
  width: 100dvw;
  height: 100dvh;
  touch-action: none;
  cursor: crosshair;
}

/* HUD Safe-Zone Container */
.hud-overlay {
  position: fixed;
  inset: 0;
  padding: var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 10;
}

.hud-top {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* XP Progress Bar */
.xp-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 5px 12px;
  backdrop-filter: blur(8px);
}

.level-badge {
  font-size: clamp(0.75rem, 0.65rem + 0.4vw, 0.9rem);
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.xp-track {
  flex: 1;
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  overflow: hidden;
}

.xp-fill {
  width: var(--xp-progress, 0%);
  height: 100%;
  background: linear-gradient(90deg, #00bbf9, #00f5d4);
  border-radius: 999px;
  transition: width 0.14s ease-out;
}

/* Telemetry & Action Row */
.hud-telemetry-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.telemetry-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.hud-pill {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 5px 10px;
  font-size: clamp(0.76rem, 0.68rem + 0.35vw, 0.92rem);
  font-weight: 700;
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.timer-pill {
  color: #ffffff;
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.88rem, 0.75rem + 0.5vw, 1.08rem);
  border-color: rgba(255, 190, 11, 0.4);
}

.wave-math-pill {
  color: #ff9ebb;
  font-size: clamp(0.7rem, 0.62rem + 0.3vw, 0.84rem);
}

.hp-bar-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 135px;
}

.hp-mini-track {
  width: 64px;
  height: 8px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  overflow: hidden;
}

.hp-mini-fill {
  width: var(--hp-progress, 100%);
  height: 100%;
  background: linear-gradient(90deg, #ff2a6d, #06d6a0);
  transition: width 0.12s ease-out;
}

.hud-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: auto;
}

.hud-btn {
  background: var(--panel-bg);
  color: var(--text-main);
  border: 1px solid rgba(255, 190, 11, 0.48);
  border-radius: 10px;
  padding: 6px 11px;
  font-size: clamp(0.75rem, 0.68rem + 0.3vw, 0.88rem);
  font-weight: 700;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: transform 0.12s ease, background-color 0.15s ease;
}

.hud-btn:hover,
.hud-btn:focus-visible {
  background: rgba(255, 42, 109, 0.28);
  transform: translateY(-1px);
  outline: none;
}

/* Inventory Slots Row */
.hud-inventory-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.slot-group {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.slot-pill {
  background: rgba(15, 12, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  padding: 3px 7px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
}

.slot-pill small {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--accent-gold);
}

.slot-pill.evolved {
  border-color: var(--accent-gold);
  box-shadow: 0 0 10px rgba(255, 190, 11, 0.45);
  background: rgba(65, 18, 42, 0.9);
}

.slot-pill.passive {
  border-color: rgba(0, 245, 212, 0.35);
}

/* Minute Wave Surge Banner */
.wave-banner {
  align-self: center;
  margin-top: auto;
  margin-bottom: auto;
  background: rgba(24, 10, 32, 0.9);
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: clamp(0.78rem, 0.7rem + 0.45vw, 1rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  opacity: 0;
  transform: translateY(-8px) scale(0.96);
  transition: opacity 0.25s ease, transform 0.25s ease;
  text-align: center;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.6);
}

.wave-banner.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Visually hidden h1 for screen reader semantics */
.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;
}

/* Native <dialog> Modals */
dialog.game-modal {
  margin: auto;
  width: min(92dvw, 540px);
  max-height: calc(100dvh - var(--safe-top) - var(--safe-bottom));
  overflow-y: auto;
  background: rgba(18, 13, 31, 0.96);
  color: var(--text-main);
  border: 1.5px solid rgba(255, 117, 143, 0.45);
  border-radius: 18px;
  padding: clamp(16px, 3vw, 24px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.85);
}

dialog.game-modal::backdrop {
  background: rgba(6, 4, 12, 0.76);
  backdrop-filter: blur(5px);
}

.modal-header {
  text-align: center;
  margin-bottom: 14px;
}

.modal-title {
  font-size: clamp(1.2rem, 1rem + 1vw, 1.6rem);
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: 0.03em;
}

.modal-subtitle {
  font-size: clamp(0.8rem, 0.74rem + 0.3vw, 0.95rem);
  color: var(--text-muted);
  margin-top: 4px;
}

/* Level-Up 3 Upgrade Cards */
.upgrade-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.upgrade-card {
  width: 100%;
  text-align: left;
  background: rgba(30, 23, 52, 0.9);
  border: 1.5px solid var(--card-accent, #ff6b35);
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.14s ease, box-shadow 0.14s ease, background-color 0.14s ease;
}

.upgrade-card:hover,
.upgrade-card:focus-visible {
  transform: translateY(-2px);
  background: rgba(44, 33, 74, 0.98);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.55);
  outline: none;
}

.upgrade-card.evolution-card {
  background: linear-gradient(135deg, rgba(72, 14, 42, 0.95), rgba(32, 18, 58, 0.95));
  border-width: 2px;
  border-color: var(--accent-gold);
  box-shadow: 0 0 18px rgba(255, 190, 11, 0.35);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-icon {
  font-size: 1.75rem;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  flex-shrink: 0;
}

.card-titles {
  display: flex;
  flex-direction: column;
}

.card-subtitle {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--card-accent, var(--accent-gold));
}

.card-title {
  font-size: clamp(0.96rem, 0.88rem + 0.4vw, 1.12rem);
  font-weight: 800;
  color: #ffffff;
}

.card-desc {
  font-size: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  color: #e2e0ec;
  line-height: 1.38;
}

.card-synergy {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.09);
  padding: 4px 8px;
  border-radius: 6px;
  align-self: flex-start;
}

/* Synergy Codex & Polynomial Telemetry Modal */
.codex-section-title {
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  margin: 12px 0 8px;
}

.synergy-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.synergy-recipe-row {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 9px 11px;
}

.recipe-formula {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.recipe-node.evolved {
  color: var(--accent-gold);
}

.recipe-note {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.math-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.math-pill {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 7px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.math-pill span {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.math-pill strong {
  font-size: 0.92rem;
  color: var(--accent-gold);
}

/* Game Over Stats */
.gameover-stats-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 14px 0 18px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  font-size: 0.88rem;
}

.primary-cta-btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #ff2a6d, #ff6b35);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.primary-cta-btn:hover,
.primary-cta-btn:focus-visible {
  filter: brightness(1.1);
  outline: none;
}