@import url('../../engine.css');

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #00000a;
  font-family: var(--engine-font), 'Courier New', Courier, monospace;
}

/* ── Canvas Wrap ─────────────────────────────────────────────────────────── */
#canvas-wrap {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

#penpen-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ── Progress Bar ────────────────────────────────────────────────────────── */
#progress-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: rgba(0, 15, 40, 0.6);
  z-index: 10;
}

#progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #00d4ff, #ff007f);
  box-shadow: 0 0 10px #00d4ff, 0 0 20px #ff007f;
  transition: width 0.1s linear;
}

#progress-label {
  display: none;
}

/* ── Speed Glow Overlay ─────────────────────────────────────────────────── */
#speed-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  transition: box-shadow 0.25s ease;
}

/* ── HUD ─────────────────────────────────────────────────────────────────── */
#hud {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 46px;
  background: rgba(0, 8, 24, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(0, 212, 255, 0.25);
  z-index: 5;
  display: flex;
  align-items: center;
  padding: 0 16px;
  color: #00d4ff;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.6);
}

#hud > span {
  margin-right: 24px;
  font-family: var(--engine-font), monospace;
}

#hud b {
  color: #fff;
  text-shadow: 0 0 8px rgba(0, 212, 255, 0.8);
  font-size: 1rem;
}

#hud .unit {
  font-size: 0.7rem;
  color: rgba(0, 212, 255, 0.6);
  margin-left: 2px;
}

/* HP Hearts */
.hp-bar-wrap {
  display: flex;
  margin-right: 24px;
}

.heart {
  color: #ff0055;
  text-shadow: 0 0 8px #ff0055, 0 0 15px rgba(255, 0, 85, 0.5);
  font-size: 1.25rem;
  margin-right: 4px;
  transition: transform 0.2s ease;
}

.heart.empty {
  color: rgba(0, 212, 255, 0.15);
  text-shadow: none;
}

/* ── Overlay & Glass Panels ──────────────────────────────────────────────── */
.overlay {
  position: absolute;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 2, 8, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 1;
  transition: opacity 0.3s ease;
}

.overlay.hidden {
  opacity: 0;
  pointer-events: none;
  display: none !important;
}

.glass-panel {
  background: rgba(0, 16, 44, 0.70);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 16px;
  padding: 32px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.8), inset 0 0 16px rgba(0, 212, 255, 0.08);
  color: #fff;
  text-align: center;
  animation: panel-fade-in 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-panel.success {
  border-color: rgba(0, 255, 128, 0.4);
  box-shadow: 0 8px 32px rgba(0, 255, 128, 0.1), inset 0 0 16px rgba(0, 255, 128, 0.05);
}

.glass-panel.failure {
  border-color: rgba(255, 0, 85, 0.4);
  box-shadow: 0 8px 32px rgba(255, 0, 85, 0.1), inset 0 0 16px rgba(255, 0, 85, 0.05);
}

h1 {
  font-size: 1.8rem;
  color: #fff;
  text-shadow: 0 0 15px rgba(0, 212, 255, 0.9), 0 0 30px rgba(0, 212, 255, 0.4);
  margin-bottom: 8px;
  letter-spacing: 0.08em;
}

.sub {
  color: #00d4ff;
  font-size: 0.85rem;
  margin-bottom: 20px;
  opacity: 0.8;
  letter-spacing: 0.03em;
}

.desc {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* Buttons */
#btn-start, .btn-action {
  background: linear-gradient(135deg, #00d4ff, #0055ff);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 32px;
  font-size: 1rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
  transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
  font-family: var(--engine-font), monospace;
}

#btn-start:hover, .btn-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.6);
  filter: brightness(1.1);
}

#btn-start:active, .btn-action:active {
  transform: translateY(1px);
}

.key-hint {
  margin-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 16px;
  text-align: left;
}

.help-table {
  width: 100%;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.8);
  border-collapse: collapse;
  margin-bottom: 12px;
}

.help-table td {
  padding: 6px 4px;
  vertical-align: middle;
}

.help-table td:first-child {
  width: 38%;
  font-weight: bold;
  color: #00d4ff;
}

kbd {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 0.72rem;
  font-family: inherit;
  box-shadow: 0 1px 0 rgba(0,0,0,0.5);
}

/* Results overlay text */
.result-title {
  font-size: 1.8rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.success .result-title {
  color: #00ff7f;
  text-shadow: 0 0 15px rgba(0, 255, 127, 0.7);
}

.failure .result-title {
  color: #ff0055;
  text-shadow: 0 0 15px rgba(255, 0, 85, 0.7);
}

.result-sub {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 8px;
}

/* ── Mobile Touch Controls ──────────────────────────────────────────────── */
#touch-controls {
  display: none;
  position: absolute;
  bottom: 60px;
  left: 5%;
  right: 5%;
  z-index: 10;
  justify-content: space-between;
}

#touch-controls button {
  background: rgba(0, 15, 45, 0.65);
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: 50%;
  color: #00d4ff;
  width: 56px;
  height: 56px;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

#btn-jump-touch {
  border-radius: 12px !important;
  width: 90px !important;
  font-weight: bold;
  font-size: 0.9rem !important;
}

#btn-cam-touch {
  display: none;
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 10;
  background: rgba(0, 15, 45, 0.65);
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: 8px;
  color: #00d4ff;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-family: inherit;
}

/* Help Panel Overlay */
#btn-help {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 15, 45, 0.65);
  border: 1px solid rgba(0, 212, 255, 0.35);
  color: #00d4ff;
  font-weight: bold;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

#help-panel {
  position: absolute;
  top: 56px;
  left: 20px;
  background: rgba(0, 10, 30, 0.85);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 10px;
  padding: 16px;
  z-index: 10;
  width: 280px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  color: #fff;
  transition: opacity 0.2s ease;
}

.help-panel-title {
  color: #00d4ff;
  font-size: 0.85rem;
  font-weight: bold;
  margin-bottom: 8px;
}

.hidden {
  display: none !important;
}

/* ── Loading Spinner ─────────────────────────────────────────────────────── */
#loading {
  position: absolute;
  inset: 0;
  background: #00000a;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #00d4ff;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.spin {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(0, 212, 255, 0.25);
  border-top-color: #00d4ff;
  border-radius: 50%;
  animation: spinner 0.8s linear infinite;
  margin: 0 auto;
}

/* Animations */
@keyframes spinner {
  to { transform: rotate(360deg); }
}

@keyframes panel-fade-in {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Media Queries for Mobile Touch Controls */
@media (max-width: 768px) {
  #touch-controls {
    display: flex;
  }
  #btn-cam-touch {
    display: block;
  }
  #hud {
    font-size: 0.75rem;
    padding: 0 10px;
  }
  .hp-bar-wrap {
    margin-right: 12px;
  }
}

/* ── Slingshot Tension Gauge ────────────────────────────────────────────── */
#tension-wrap {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 99;
  background: rgba(0, 8, 24, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 2px solid rgba(0, 150, 200, 0.5);
  border-radius: 20px;
  padding: 16px 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.8), inset 0 0 15px rgba(0, 150, 200, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  animation: panel-fade-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.tension-label {
  color: #00d4ff;
  font-family: var(--engine-font), monospace;
  font-size: 0.7rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-shadow: 0 0 8px rgba(0, 212, 255, 0.8);
  margin-bottom: 10px;
  text-align: center;
  width: 100%;
}

.tension-bar {
  width: 30px;
  height: 200px;
  background: rgba(0, 15, 45, 0.85);
  border: 2px solid rgba(0, 212, 255, 0.4);
  border-radius: 15px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 4px;
}

#tension-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, #ffcc00, #ff6600, #ff0055);
  box-shadow: 0 0 10px #ffcc00, inset 0 0 8px rgba(255, 255, 255, 0.3);
  transition: height 0.05s ease-out;
  border-radius: 10px;
  position: absolute;
  bottom: 4px;
}

.tension-percent {
  position: absolute;
  bottom: -30px;
  color: #00d4ff;
  font-family: monospace;
  font-size: 0.85rem;
  font-weight: bold;
  text-shadow: 0 0 4px rgba(0, 212, 255, 0.6);
}