:root {
  --bg-dark: #070a14;
  --bg-panel: rgba(13, 19, 36, 0.82);
  --cyan: #00f0ff;
  --magenta: #ff0055;
  --yellow: #ffb703;
  --green: #00ff88;
  --fire-orange: #ff5722;
  --water-blue: #00b4d8;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-line: rgba(0, 240, 255, 0.22);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Kanit', sans-serif;
  user-select: none;
}

body {
  background: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ================= HEADER ================= */
.app-header {
  height: 64px;
  background: rgba(7, 10, 20, 0.92);
  border-bottom: 1px solid var(--border-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 50;
  backdrop-filter: blur(12px);
}

.brand .kicker {
  font-size: 0.72rem;
  color: var(--fire-orange);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
}

.header-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.28);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff3366;
  box-shadow: 0 0 8px #ff3366;
  transition: all 0.3s;
}

.status-dot.active {
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

.header-controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-1px);
}

.btn-mode {
  border-color: rgba(0, 180, 216, 0.4);
  color: var(--water-blue);
  background: rgba(0, 180, 216, 0.1);
}

.btn-mode.mouse-mode {
  border-color: rgba(255, 183, 3, 0.4);
  color: var(--yellow);
  background: rgba(255, 183, 3, 0.1);
}

/* ================= MAIN CONTAINER ================= */
.game-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #050812;
}

#webcam {
  display: none;
}

#gameCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* ================= IN-GAME HUD ================= */
.game-hud {
  position: absolute;
  top: 16px;
  left: 24px;
  right: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 20;
  pointer-events: none;
}

.hud-box {
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  padding: 8px 18px;
  border-radius: 16px;
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.hud-label {
  font-size: 0.70rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 1px;
}

.hud-value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.1;
}

.score-box .hud-value { color: var(--green); text-shadow: 0 0 12px rgba(0, 255, 136, 0.5); }
.timer-box .hud-value { color: var(--cyan); text-shadow: 0 0 12px rgba(0, 240, 255, 0.5); }
.fires-box .hud-value { color: var(--fire-orange); text-shadow: 0 0 12px rgba(255, 87, 34, 0.5); }

.hud-status {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--water-blue);
  line-height: 1.3;
}

/* ================= MODAL / OVERLAY ================= */
.overlay-screen {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 17, 0.88);
  backdrop-filter: blur(16px);
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  transition: opacity 0.3s;
}

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

.modal-card {
  background: var(--bg-panel);
  border: 1px solid var(--water-blue);
  border-radius: 28px;
  padding: 36px 44px;
  text-align: center;
  max-width: 540px;
  width: 100%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.85), 0 0 40px rgba(0, 180, 216, 0.25);
}

.kicker-banner {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--water-blue);
  letter-spacing: 1.5px;
  margin-bottom: 6px;
}

.modal-title {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.rules-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
  margin-bottom: 28px;
}

.rule-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.rule-item.good { border-color: rgba(0, 180, 216, 0.35); background: rgba(0, 180, 216, 0.08); }
.rule-item.target { border-color: rgba(255, 87, 34, 0.35); background: rgba(255, 87, 34, 0.08); }

.rule-icon { font-size: 1.8rem; }
.rule-text { font-size: 0.88rem; color: #cbd5e1; }
.rule-text strong { color: #fff; }

.btn-start {
  background: linear-gradient(135deg, var(--water-blue), #0077b6);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 800;
  border: none;
  padding: 16px 36px;
  border-radius: 16px;
  width: 100%;
  cursor: pointer;
  box-shadow: 0 0 28px rgba(0, 180, 216, 0.45);
  transition: all 0.2s ease;
}

.btn-start:hover {
  transform: scale(1.03);
  box-shadow: 0 0 40px rgba(0, 180, 216, 0.7);
}

/* Stat Summary */
.stat-summary {
  display: flex;
  justify-content: space-around;
  margin-bottom: 28px;
  background: rgba(0, 0, 0, 0.3);
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--water-blue);
}

.stat-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}