/* ============================================================
   Magic Tower 3D - Global Styles (Enhanced)
   ============================================================ */

/* Reset & Base */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-dark: #0a0a12;
  --panel-bg: rgba(12, 12, 25, 0.88);
  --panel-border: rgba(255, 215, 0, 0.12);
  --gold: #FFD700;
  --gold-dim: #AA8800;
  --blue: #4488FF;
  --red: #FF4444;
  --green: #44CC44;
  --orange: #FF8844;
  --text: #D0C8B8;
  --text-bright: #F0E8D8;
  --text-dim: #706858;
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 8px;
  --glass-blur: blur(12px);
  --shadow-glow: 0 0 20px rgba(255, 215, 0, 0.08);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg-dark);
  color: var(--text);
  font-family: system-ui, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

/* ===== START SCREEN ===== */
.start-screen {
  position: fixed; inset: 0;
  display: flex; align-items: stretch; justify-content: flex-start;
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 4.5rem);
  background:
    radial-gradient(circle at 72% 28%, rgba(255, 136, 68, 0.18), transparent 22rem),
    radial-gradient(circle at 18% 78%, rgba(68, 136, 255, 0.14), transparent 24rem),
    linear-gradient(130deg, #090910 0%, #17131b 42%, #0a0a12 100%);
  z-index: 1000;
  animation: fadeIn 0.8s ease;
}
.start-screen::before {
  position: absolute;
  inset: auto -10% 0;
  height: 38%;
  background:
    linear-gradient(180deg, transparent 0%, rgba(3, 3, 8, 0.55) 38%, rgba(3, 3, 8, 0.96) 100%),
    repeating-linear-gradient(90deg, rgba(255, 215, 0, 0.08) 0 1px, transparent 1px 7rem);
  content: "";
}
.start-screen::after {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255, 215, 0, 0.55) 0 1px, transparent 2px),
    radial-gradient(circle, rgba(255, 136, 68, 0.42) 0 1px, transparent 2px);
  background-position: 12% 18%, 70% 34%;
  background-size: 9rem 11rem, 13rem 15rem;
  opacity: 0.28;
  animation: emberDrift 18s linear infinite;
  content: "";
}
.start-content {
  position: relative;
  z-index: 2;
  display: flex;
  max-width: 760px;
  min-height: calc(100vh - clamp(2.5rem, 8vw, 9rem));
  flex-direction: column;
  justify-content: center;
  padding-bottom: 10vh;
  text-align: left;
}
.start-logo {
  display: grid;
  width: 5rem;
  height: 5rem;
  place-items: center;
  margin-bottom: 1.15rem;
  border: 1px solid rgba(255, 215, 0, 0.38);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 215, 0, 0.32), rgba(255, 136, 68, 0.08) 54%, rgba(0, 0, 0, 0.36)),
    rgba(8, 8, 14, 0.76);
  box-shadow: 0 0 36px rgba(255, 136, 68, 0.25);
  color: var(--gold);
  font-family: Consolas, 'Courier New', monospace;
  font-size: 1.15rem;
  font-weight: 900;
  animation: float 3s ease-in-out infinite;
}
.game-title {
  max-width: 12ch;
  font-size: clamp(3.8rem, 8vw, 7.4rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: 0;
  background: linear-gradient(135deg, #FFF0B0 0%, var(--gold) 42%, #FF8844 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 16px 46px rgba(0, 0, 0, 0.72));
  animation: shimmer 3s linear infinite;
  margin-bottom: 0.65rem;
}
.game-subtitle {
  color: #f3d98e;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 1rem;
}
.start-tagline {
  max-width: 38rem;
  margin-bottom: 2rem;
  color: #d9cdbb;
  font-size: clamp(1rem, 1.7vw, 1.22rem);
  line-height: 1.8;
}
.start-buttons {
  display: flex; flex-wrap: wrap; gap: 0.85rem;
  align-items: center;
}
.btn {
  min-height: 3.25rem;
  padding: 0.85rem 1.4rem;
  border: none; border-radius: var(--radius);
  font-size: 1.05rem; font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  min-width: 11rem;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, #FFD76A, #E96B3A);
  color: #1a1000;
  box-shadow: 0 18px 42px rgba(233, 107, 58, 0.28);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #FFF0A8, #F07C42);
  box-shadow: 0 22px 48px rgba(255, 136, 68, 0.38);
}
.btn-secondary {
  background: rgba(255, 215, 0, 0.1);
  color: var(--gold);
  border: 1px solid rgba(255, 215, 0, 0.3);
}
.btn-secondary:hover {
  background: rgba(255, 215, 0, 0.2);
}
.start-stage {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.start-moon {
  position: absolute;
  top: 10%;
  right: 17%;
  width: clamp(7rem, 13vw, 13rem);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 36% 34%, rgba(255, 255, 255, 0.75), rgba(255, 234, 177, 0.72) 34%, rgba(255, 215, 0, 0.18) 66%, transparent 68%);
  opacity: 0.62;
}
.start-tower {
  position: absolute;
  right: clamp(1rem, 10vw, 10rem);
  bottom: -2rem;
  width: clamp(15rem, 27vw, 26rem);
  height: min(78vh, 48rem);
  filter: drop-shadow(0 28px 64px rgba(0, 0, 0, 0.56));
}
.tower-crown {
  width: 54%;
  height: 22%;
  margin: 0 auto -1px;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  background: linear-gradient(135deg, #32374a, #11141d 72%, #d59b3f);
}
.tower-core {
  display: grid;
  height: 78%;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.3rem 1.6rem;
  padding: clamp(1.4rem, 3vw, 2.8rem);
  border: 1px solid rgba(255, 215, 0, 0.24);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.06), transparent 22%, rgba(0, 0, 0, 0.28)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 4.5rem),
    linear-gradient(180deg, rgba(58, 63, 79, 0.98), rgba(13, 16, 24, 0.98));
}
.tower-core span {
  align-self: end;
  height: clamp(3.4rem, 7vh, 5.8rem);
  border: 1px solid rgba(255, 215, 0, 0.28);
  background:
    radial-gradient(circle, rgba(255, 233, 167, 0.95), rgba(255, 136, 68, 0.46) 34%, rgba(5, 5, 10, 0.92) 38%);
  box-shadow: 0 0 24px rgba(255, 136, 68, 0.2);
  animation: windowGlow 4.5s ease-in-out infinite;
}
.tower-core span:nth-child(2n) {
  animation-delay: 1.2s;
}
.start-gate {
  position: absolute;
  right: clamp(0rem, 8vw, 7rem);
  bottom: -4rem;
  width: clamp(21rem, 35vw, 35rem);
  height: clamp(8rem, 16vw, 14rem);
  border: 1px solid rgba(255, 215, 0, 0.12);
  background:
    radial-gradient(ellipse at center bottom, rgba(255, 136, 68, 0.42), transparent 42%),
    linear-gradient(180deg, rgba(30, 27, 30, 0.9), rgba(7, 7, 12, 0.98));
  clip-path: polygon(8% 100%, 17% 0, 83% 0, 92% 100%);
}

/* ===== GAME LAYOUT ===== */
.game-container {
  position: fixed; inset: 0;
  display: flex;
  overflow: hidden;
}
.canvas-container {
  flex: 1;
  position: relative;
}
.canvas-container canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* ===== HUD TOP BAR ===== */
.hud-top {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; gap: 1rem;
  padding: 0.6rem 1rem;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--panel-border);
  z-index: 100;
}
.hud-floor, .hud-level, .hud-gold {
  display: flex; align-items: center; gap: 0.3rem;
}
.hud-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0;
}
.hud-value {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold);
}
.hud-gold .hud-value { color: var(--gold); }
.hud-top-right {
  margin-left: auto;
  display: flex; gap: 0.5rem;
}
.hud-btn {
  padding: 0.3rem 0.7rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}
.hud-btn:hover {
  background: rgba(255, 215, 0, 0.1);
  color: var(--gold);
  border-color: rgba(255, 215, 0, 0.2);
}

/* ===== STATS PANEL ===== */
.hud-stats {
  position: fixed; top: 52px; left: 0.5rem;
  width: 200px;
  padding: 0.75rem;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  z-index: 90;
  box-shadow: var(--shadow-card);
}
.stat-row {
  display: flex; align-items: center; gap: 0.4rem;
  margin-bottom: 0.45rem;
}
.stat-icon {
  width: 28px;
  font-size: 0.65rem;
  font-weight: 800;
  text-align: center;
  border-radius: 3px;
  padding: 2px 0;
}
.hp-icon { background: rgba(255, 68, 68, 0.2); color: var(--red); }
.atk-icon { background: rgba(255, 136, 68, 0.2); color: var(--orange); }
.def-icon { background: rgba(68, 136, 255, 0.2); color: var(--blue); }
.exp-icon { background: rgba(68, 204, 68, 0.2); color: var(--green); }

.stat-bar-container {
  flex: 1;
  height: 10px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 5px;
  overflow: hidden;
}
.stat-bar {
  height: 100%;
  border-radius: 5px;
  transition: width 0.4s ease, background-color 0.3s ease;
}
.hp-bar { background: var(--green); }
.exp-bar { background: var(--blue); }

.stat-value {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.72rem;
  color: var(--text-bright);
  min-width: 60px;
  text-align: right;
}

/* ===== KEYS ===== */
.hud-keys {
  position: fixed; top: 52px; right: 0.5rem;
  display: flex; gap: 0.5rem;
  z-index: 90;
}
.key-item {
  display: flex; align-items: center; gap: 0.25rem;
  padding: 0.4rem 0.6rem;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
}
.key-icon { font-size: 0.85rem; }
.key-count {
  font-family: 'Consolas', 'Courier New', monospace;
  font-weight: 700;
  font-size: 0.9rem;
}
.key-yellow .key-count { color: var(--gold); }
.key-yellow { border-color: rgba(255, 215, 0, 0.25); }
.key-blue .key-count { color: var(--blue); }
.key-blue { border-color: rgba(68, 136, 255, 0.25); }
.key-red .key-count { color: var(--red); }
.key-red { border-color: rgba(255, 68, 68, 0.25); }

/* ===== EQUIPMENT ===== */
.hud-equip {
  position: fixed; top: 100px; right: 0.5rem;
  display: flex; flex-direction: column; gap: 0.4rem;
  z-index: 90;
}
.equip-slot {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.45rem 0.65rem;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  min-width: 130px;
}
.equip-icon { font-size: 1.1rem; }
.equip-info {
  display: flex; flex-direction: column;
}
.equip-label {
  font-size: 0.6rem;
  color: var(--text-dim);
}
.equip-name {
  font-size: 0.8rem;
  color: var(--text-bright);
  font-weight: 600;
}

/* ===== SKILLS ===== */
.hud-skills {
  position: fixed; left: 0.5rem; bottom: 6rem;
  width: 180px;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  z-index: 90;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.skills-header {
  padding: 0.4rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  border-bottom: 1px solid var(--panel-border);
  text-transform: uppercase;
  letter-spacing: 0;
}
.skill-list {
  max-height: 200px;
  overflow-y: auto;
}
.skill-item {
  display: flex; align-items: center; gap: 0.35rem;
  padding: 0.35rem 0.6rem;
  font-size: 0.7rem;
  transition: var(--transition);
  cursor: default;
}
.skill-item.locked { opacity: 0.35; }
.skill-item.unlocked { opacity: 1; }
.skill-icon { font-size: 0.85rem; }
.skill-name {
  font-weight: 600;
  color: var(--text-bright);
  min-width: 28px;
}
.skill-desc {
  color: var(--text-dim);
  font-size: 0.6rem;
}

/* ===== MINIMAP ===== */
.hud-minimap {
  position: fixed; right: 0.5rem; bottom: 6rem;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 0.4rem;
  z-index: 90;
}
.minimap-label {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0;
}
#minimap {
  display: block;
  border-radius: var(--radius-sm);
  image-rendering: pixelated;
}

/* ===== MESSAGE LOG ===== */
.message-log {
  position: fixed; bottom: 0.5rem; left: 50%;
  transform: translateX(-50%);
  width: min(400px, 80vw);
  max-height: 100px;
  overflow-y: auto;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 0.4rem 0.6rem;
  z-index: 90;
  font-size: 0.72rem;
  line-height: 1.5;
}
.message {
  padding: 0.15rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  animation: msgSlideIn 0.3s ease;
}
.message-info { color: var(--text); }
.message-combat { color: var(--orange); }
.message-item { color: var(--green); }
.message-levelup { color: var(--gold); font-weight: 700; }
.message-warning { color: var(--red); }
.message-shop { color: var(--blue); }

/* ===== MONSTER TOOLTIP ===== */
.monster-tooltip {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  min-width: 220px;
  background: rgba(15, 15, 30, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius-lg);
  padding: 0.9rem 1.1rem;
  z-index: 200;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(255, 68, 68, 0.08);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.monster-tooltip.tooltip-show { opacity: 1; }
.tooltip-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.5rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.tooltip-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-bright);
}
.tooltip-status {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(68, 204, 68, 0.1);
}
.tooltip-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.4rem;
  margin-bottom: 0.5rem;
}
.tooltip-stat {
  display: flex; flex-direction: column; align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  padding: 0.3rem;
}
.tooltip-label {
  font-size: 0.6rem; color: var(--text-dim);
  text-transform: uppercase;
}
.tooltip-val {
  font-family: 'Consolas', monospace;
  font-size: 0.95rem; font-weight: 700;
  color: var(--text-bright);
}
.tooltip-combat {
  padding: 0.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.tooltip-row {
  display: flex; justify-content: space-between;
  font-size: 0.75rem; color: var(--text);
  padding: 0.15rem 0;
}
.tooltip-reward {
  display: flex; gap: 1rem;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
}
.tooltip-exp { color: var(--blue); }
.tooltip-gold { color: var(--gold); }

/* ===== FLOOR INFO ===== */
.floor-info {
  position: fixed;
  top: 55px; left: 50%; transform: translateX(-50%);
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  border: 2px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: 0.6rem 1.5rem;
  z-index: 200;
  text-align: center;
  box-shadow: 0 0 40px rgba(255, 215, 0, 0.15);
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
}
.floor-info.floor-info-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.floor-info-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--gold);
}
.floor-info-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.15rem;
}

/* ===== SAVE INDICATOR ===== */
.save-indicator {
  position: fixed;
  top: 55px; right: 1rem;
  padding: 0.4rem 1rem;
  background: rgba(68, 204, 68, 0.15);
  border: 1px solid rgba(68, 204, 68, 0.3);
  border-radius: var(--radius);
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 200;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.save-indicator.save-flash {
  opacity: 1;
  animation: savePulse 1.5s ease forwards;
}

/* ===== LEVEL UP EFFECT ===== */
.levelup-effect {
  position: fixed;
  top: 40%; left: 50%; transform: translate(-50%, -50%);
  text-align: center;
  z-index: 250;
  pointer-events: none;
  opacity: 0;
}
.levelup-effect.levelup-show {
  animation: levelUpBurst 2s ease forwards;
}
.levelup-text {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--gold), #FFA500);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.5));
}
.levelup-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gold);
  font-family: 'Consolas', monospace;
}

/* ===== COMBAT OVERLAY ===== */
.combat-overlay {
  position: fixed;
  top: 40%; left: 50%;
  transform: translate(-50%, -50%);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  z-index: 150;
  text-align: center;
  backdrop-filter: blur(10px);
  animation: combatPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
}
.combat-win {
  background: rgba(68, 204, 68, 0.12);
  border: 1px solid rgba(68, 204, 68, 0.3);
  box-shadow: 0 0 30px rgba(68, 204, 68, 0.1);
}
.combat-lose {
  background: rgba(255, 68, 68, 0.12);
  border: 1px solid rgba(255, 68, 68, 0.3);
  box-shadow: 0 0 30px rgba(255, 68, 68, 0.1);
}
.combat-title {
  font-size: 1.3rem;
  font-weight: 900;
  margin-bottom: 0.3rem;
}
.combat-win .combat-title { color: var(--green); }
.combat-lose .combat-title { color: var(--red); }
.combat-monster {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}
.combat-details {
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text);
}
.combat-details strong {
  font-family: 'Consolas', monospace;
}
.game-complete {
  top: 50%;
  min-width: min(92vw, 28rem);
  padding: 1.4rem 1.6rem;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 215, 0, 0.18), transparent 65%),
    rgba(8, 9, 15, 0.94);
  border: 1px solid rgba(255, 215, 0, 0.42);
  box-shadow: 0 0 54px rgba(255, 136, 68, 0.22);
  pointer-events: auto;
}
.game-complete .combat-title {
  color: var(--gold);
  font-size: 1.8rem;
}
.ending-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 1rem;
}
.ending-btn {
  min-width: 7rem;
  min-height: 2.5rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(255, 215, 0, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 215, 0, 0.08);
  color: var(--text-bright);
  cursor: pointer;
  font-weight: 700;
  transition: var(--transition);
}
.ending-btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 215, 0, 0.16);
}
.ending-primary {
  background: linear-gradient(135deg, #FFD76A, #E96B3A);
  color: #1a1000;
}

/* ===== SHOP PANEL ===== */
.shop-panel {
  position: fixed; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 300;
}
.shop-header {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.8rem 1.2rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius) var(--radius) 0 0;
  width: min(360px, 90vw);
}
.shop-header h3 {
  color: var(--gold); font-size: 1.1rem; flex: 1;
}
.shop-gold {
  font-family: 'Consolas', monospace;
  font-weight: 700; color: var(--gold);
}
.shop-close {
  background: none; border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-dim); padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm); cursor: pointer;
  font-size: 0.8rem;
  transition: var(--transition);
}
.shop-close:hover {
  background: rgba(255, 68, 68, 0.15);
  color: var(--red);
  border-color: rgba(255, 68, 68, 0.3);
}
.shop-items {
  width: min(360px, 90vw);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  max-height: 50vh;
  overflow-y: auto;
}
.shop-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.7rem 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: var(--transition);
}
.shop-item:hover {
  background: rgba(255, 215, 0, 0.08);
}
.shop-item.disabled {
  opacity: 0.35; cursor: not-allowed;
}
.shop-item.disabled:hover { background: none; }
.shop-item-name { font-weight: 600; color: var(--text-bright); font-size: 0.9rem; }
.shop-item-cost {
  font-family: 'Consolas', monospace;
  font-weight: 700; color: var(--gold); font-size: 0.9rem;
}

/* ===== CONTROLS HELP ===== */
.controls-help {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(15, 15, 30, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  z-index: 400;
  max-width: 400px;
  animation: fadeIn 0.3s ease;
}
.controls-help h3 {
  color: var(--gold);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}
.help-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 1rem;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}
.help-grid span:nth-child(odd) { color: var(--text-dim); text-align: right; }
.help-grid span:nth-child(even) { color: var(--text-bright); font-weight: 600; }
.help-tips {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.8;
}
.help-tips p::before { content: '• '; color: var(--gold); }

/* ===== D-PAD ===== */
.dpad {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  display: none;
  grid-template-columns: repeat(3, 50px);
  grid-template-rows: repeat(3, 50px);
  gap: 4px;
  z-index: 100;
}
.dpad-btn {
  background: rgba(255, 215, 0, 0.12);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius-sm);
  color: var(--gold);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.dpad-btn:active {
  background: rgba(255, 215, 0, 0.3);
  transform: scale(0.92);
}
.dpad-up { grid-column: 2; grid-row: 1; }
.dpad-left { grid-column: 1; grid-row: 2; }
.dpad-right { grid-column: 3; grid-row: 2; }
.dpad-down { grid-column: 2; grid-row: 3; }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes shimmer {
  0% { background-position: 200% center; }
  100% { background-position: -200% center; }
}
@keyframes emberDrift {
  0% { background-position: 12% 18%, 70% 34%; }
  100% { background-position: 12% -82%, 70% -66%; }
}
@keyframes windowGlow {
  0%, 100% { opacity: 0.72; }
  50% { opacity: 1; }
}
@keyframes msgSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes combatPop {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.7); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
@keyframes savePulse {
  0% { opacity: 0; transform: translateY(10px); }
  20% { opacity: 1; transform: translateY(0); }
  80% { opacity: 1; }
  100% { opacity: 0; }
}
@keyframes levelUpBurst {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  15% { opacity: 1; transform: translate(-50%, -50%) scale(1.2); }
  30% { transform: translate(-50%, -50%) scale(1); }
  70% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -60%) scale(1.1); }
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .start-screen { padding: 1rem; }
  .start-content {
    min-height: calc(100vh - 2rem);
    padding-bottom: 26vh;
  }
  .game-title { font-size: clamp(3.2rem, 14vw, 5.2rem); }
  .start-buttons { align-items: stretch; flex-direction: column; }
  .btn { width: min(100%, 22rem); }
  .start-tower {
    right: -4rem;
    bottom: -7rem;
    width: 18rem;
    height: 33rem;
    opacity: 0.72;
  }
  .start-gate {
    right: -5rem;
    width: 24rem;
  }
  .dpad { display: grid; }
  .hud-stats { width: 160px; padding: 0.5rem; }
  .stat-value { font-size: 0.65rem; min-width: 50px; }
  .hud-skills { width: 150px; bottom: 8rem; }
  .hud-minimap { bottom: 8rem; }
  .message-log { max-height: 70px; width: min(300px, 70vw); font-size: 0.65rem; }
  .monster-tooltip { min-width: 180px; font-size: 0.8rem; }
  .controls-help { max-width: 90vw; padding: 1rem; }
}

@media (max-width: 480px) {
  .hud-stats { width: 140px; }
  .hud-equip { display: none; }
  .hud-skills { display: none; }
  .message-log { max-height: 60px; }
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 215, 0, 0.2); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 215, 0, 0.4); }