/* FINPOP Rhythm Game — Styles */
/* Neon fintech dashboard aesthetic */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #08080f;
  --bg-panel: rgba(10, 10, 26, 0.9);
  --cyan: #00d4ff;
  --green: #00ff88;
  --gold: #FFD700;
  --purple: #C77DFF;
  --red: #ff0040;
  --orange: #ff6600;
  --text: #ffffff;
  --text-dim: rgba(255, 255, 255, 0.4);
  --border: rgba(0, 212, 255, 0.15);
  --font: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: var(--font);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

#game-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* ================================
   OVERLAY SCREENS
   ================================ */

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  display: none;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  pointer-events: none;
}

.overlay.active {
  display: flex;
  pointer-events: auto;
}

/* ================================
   LOADING SCREEN
   ================================ */

#loading-screen {
  background: var(--bg);
  z-index: 100;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 8px;
  letter-spacing: 4px;
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.loading-sub {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 30px;
  letter-spacing: 2px;
}

.load-progress {
  width: 240px;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto 16px;
}

.load-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--cyan);
  border-radius: 2px;
  transition: width 0.3s ease;
  box-shadow: 0 0 10px var(--cyan);
}

.load-message {
  font-size: 11px;
  color: var(--text-dim);
}

/* ================================
   TITLE SCREEN
   ================================ */

#title-screen {
  background: rgba(8, 8, 15, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.title-content {
  text-align: center;
  max-width: 500px;
  padding: 20px;
}

.title-badge {
  display: inline-block;
  font-size: 10px;
  color: var(--green);
  border: 1px solid rgba(0, 255, 136, 0.3);
  padding: 3px 12px;
  border-radius: 2px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.title-logo {
  font-size: clamp(28px, 7vw, 48px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: 4px;
  line-height: 1.15;
  text-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
}

.title-track {
  font-size: clamp(13px, 2.5vw, 17px);
  color: var(--gold);
  margin-bottom: 24px;
  letter-spacing: 3px;
  font-style: italic;
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.title-characters {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 32px;
}

.char-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.char-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
}

.char-badge .char-name {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
}

.char-badge .char-role {
  font-size: 8px;
  color: var(--text-dim);
}

.title-prompt {
  font-size: 14px;
  color: var(--cyan);
  animation: pulse 2s ease-in-out infinite;
  margin-bottom: 16px;
}

.title-keys {
  font-size: 10px;
  color: var(--text-dim);
  line-height: 1.8;
}

.title-keys kbd {
  display: inline-block;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  padding: 1px 8px;
  font-family: var(--font);
  font-size: 11px;
  color: var(--text);
  margin: 0 2px;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Difficulty selector */
.title-difficulty {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.diff-btn {
  font-family: var(--font);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
}

.diff-btn:hover {
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--text);
}

.diff-btn.active {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Best score */
.title-best {
  font-size: 10px;
  color: var(--gold);
  margin-bottom: 12px;
  letter-spacing: 1px;
  opacity: 0.7;
}

/* Calibrate link */
.title-calibrate {
  margin-top: 12px;
}

.calibrate-link {
  font-family: var(--font);
  font-size: 9px;
  color: rgba(255, 255, 255, 0.25);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  letter-spacing: 1px;
}

.calibrate-link:hover {
  color: rgba(255, 255, 255, 0.5);
}

/* ================================
   PAUSE SCREEN
   ================================ */

#pause-screen {
  background: rgba(8, 8, 15, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 20;
}

.pause-content {
  text-align: center;
}

.pause-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 8px;
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
  margin-bottom: 16px;
}

.pause-sub {
  font-size: 12px;
  color: var(--text-dim);
  animation: pulse 2s ease-in-out infinite;
}

/* ================================
   CALIBRATION SCREEN
   ================================ */

#calibration-screen {
  background: rgba(8, 8, 15, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 20;
}

.calibration-content {
  text-align: center;
}

.calibration-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 4px;
  margin-bottom: 8px;
}

.calibration-sub {
  font-size: 11px;
  color: var(--text-dim);
}

/* ================================
   RESULTS SCREEN
   ================================ */

/* Grade reveal animation */
.results-grade.grade-reveal {
  animation: gradeReveal 0.5s cubic-bezier(0.17, 0.67, 0.3, 1.2);
}

@keyframes gradeReveal {
  0% {
    transform: scale(2.5);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

#results-screen {
  background: rgba(8, 8, 15, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow-y: auto;
}

.results-content {
  text-align: center;
  max-width: 460px;
  width: 100%;
  padding: 24px 20px;
}

.results-header {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 3px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.results-grade {
  font-size: clamp(64px, 15vw, 96px);
  font-weight: 700;
  line-height: 1;
  margin: 8px 0;
  transition: color 0.3s;
}

.results-comment {
  font-size: 11px;
  color: var(--text-dim);
  font-style: italic;
  margin-bottom: 20px;
  min-height: 16px;
}

.results-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.stat-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 8px;
}

.stat-label {
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
}

.stat-value.score { color: var(--text); }
.stat-value.approval { color: var(--green); }
.stat-value.volume { color: var(--gold); }
.stat-value.streak { color: var(--cyan); }

.results-breakdown {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 20px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 4px;
}

.breakdown-item {
  text-align: center;
  flex: 1;
}

.breakdown-label {
  font-size: 8px;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.breakdown-value {
  font-size: 16px;
  font-weight: 700;
}

.breakdown-item:nth-child(1) .breakdown-label { color: var(--green); }
.breakdown-item:nth-child(1) .breakdown-value { color: var(--green); }
.breakdown-item:nth-child(2) .breakdown-label { color: var(--gold); }
.breakdown-item:nth-child(2) .breakdown-value { color: var(--gold); }
.breakdown-item:nth-child(3) .breakdown-label { color: var(--orange); }
.breakdown-item:nth-child(3) .breakdown-value { color: var(--orange); }
.breakdown-item:nth-child(4) .breakdown-label { color: var(--red); }
.breakdown-item:nth-child(4) .breakdown-value { color: var(--red); }

.results-risk {
  font-size: 12px;
  margin-bottom: 20px;
}

.results-risk-label {
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 1px;
}

.results-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 12px 24px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg);
}

.btn-primary:hover {
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-spotify {
  background: #1DB954;
  color: #000;
}

.btn-spotify:hover {
  box-shadow: 0 0 20px rgba(29, 185, 84, 0.4);
}

/* ================================
   SHARED SCORE BANNER
   ================================ */

.shared-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 215, 0, 0.1);
  border-bottom: 1px solid rgba(255, 215, 0, 0.3);
  padding: 12px 20px;
  text-align: center;
  font-size: 12px;
  color: var(--gold);
  display: none;
  animation: slideDown 0.4s ease-out;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.shared-banner.active {
  display: block;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ================================
   RESPONSIVE
   ================================ */

@media (max-width: 480px) {
  .title-characters {
    gap: 12px;
  }

  .results-stats {
    gap: 8px;
  }

  .stat-box {
    padding: 8px 6px;
  }

  .stat-value {
    font-size: 16px;
  }

  .results-breakdown {
    padding: 8px;
    gap: 4px;
  }

  .btn {
    padding: 10px 16px;
    font-size: 11px;
  }

  .title-keys {
    display: none; /* hide keyboard hints on mobile */
  }
}

@media (max-height: 600px) {
  .title-characters {
    margin-bottom: 16px;
  }

  .results-grade {
    font-size: 56px;
  }
}