/* ============================================================
   Lyrical Charger — CRT Monitor Device
   Rising Compass colors + fonts. CRT scanlines, vignette,
   phosphor glow, curvature. Like a Blade Runner terminal.
   ============================================================ */

:root {
  /* RC palette */
  --rc-violet: #aa54ff;
  --rc-blue: #3388ff;
  --rc-green: #33cc55;
  --rc-orange: #ffbb33;
  --rc-red: #ff3333;

  --rc-bg-dark: #0a0a14;
  --rc-bg-panel: #12121e;
  --rc-bg-card: #181828;
  --rc-border: #2a2a3e;
  --rc-border-ui: #646490;

  --rc-text: #c8c8d8;
  --rc-text-dim: #808094;
  --rc-text-bright: #eeeef4;
  --rc-accent: #00d4aa;

  --rc-accent-subtle: rgba(0, 212, 170, 0.08);
  --rc-accent-hover: rgba(0, 212, 170, 0.15);
  --rc-accent-glow: rgba(0, 212, 170, 0.3);
  --rc-contam-bg: rgba(226, 138, 108, 0.12);
  --rc-contam-border: rgba(226, 138, 108, 0.25);

  --rc-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --rc-font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --rc-radius: 4px;
  --rc-ease: 0.2s;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--rc-font);
  background: #050508;
  color: var(--rc-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ============================================================
   CRT MONITOR DEVICE FRAME
   ============================================================ */

.crt-monitor {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.crt-bezel {
  background: linear-gradient(145deg, #2a2a2a 0%, #1a1a1a 50%, #0f0f0f 100%);
  border-radius: 20px;
  padding: 20px 20px 40px 20px;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.8),
    0 0 0 2px #333,
    inset 0 2px 0 rgba(255, 255, 255, 0.1),
    inset 0 -2px 0 rgba(0, 0, 0, 0.3);
  position: relative;
  max-width: 700px;
  width: 100%;
}

/* Bezel vent grilles */
.crt-bezel::before,
.crt-bezel::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 120px;
  background: repeating-linear-gradient(
    180deg,
    #1a1a1a 0px,
    #1a1a1a 4px,
    #0d0d0d 4px,
    #0d0d0d 8px
  );
  border-radius: 2px;
}

.crt-bezel::before { left: 6px; }
.crt-bezel::after { right: 6px; }

.crt-screen {
  position: relative;
  background: #000;
  overflow: hidden;
  border-radius: 4px;
  box-shadow:
    0 0 10px rgba(0, 212, 170, 0.15),
    0 0 20px rgba(0, 212, 170, 0.08),
    0 0 40px rgba(0, 212, 170, 0.04),
    inset 0 0 80px rgba(0, 0, 0, 0.5);
}

/* Scanline overlay on screen */
.crt-scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.03) 0px,
      rgba(0, 0, 0, 0.03) 1px,
      transparent 1px,
      transparent 2px
    );
  opacity: 0.6;
}

/* CRT curvature vignette on screen */
.crt-screen::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0, 0, 0, 0.5) 100%);
  pointer-events: none;
  z-index: 99;
}

/* Phosphor edge glow */
.crt-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  box-shadow:
    inset 0 0 60px rgba(0, 212, 170, 0.04),
    inset 0 0 3px rgba(0, 212, 170, 0.08);
  pointer-events: none;
  z-index: 101;
}

/* Content area inside screen */
.crt-content {
  position: relative;
  z-index: 1;
  max-height: 80vh;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 212, 170, 0.2) transparent;
}

.crt-content::-webkit-scrollbar { width: 4px; }
.crt-content::-webkit-scrollbar-track { background: transparent; }
.crt-content::-webkit-scrollbar-thumb { background: rgba(0, 212, 170, 0.2); border-radius: 2px; }

/* Bottom controls bar */
.crt-controls {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 0 20px;
}

.crt-power-light {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--rc-accent);
  box-shadow: 0 0 6px var(--rc-accent), 0 0 12px var(--rc-accent-glow);
}

.crt-brand {
  font-family: var(--rc-font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #555;
  text-transform: uppercase;
}

/* Slow sweep bar inside the screen */
.crt-content::after {
  content: '';
  position: fixed;
  left: 0;
  right: 0;
  height: 150px;
  background: linear-gradient(to bottom, transparent, rgba(0, 212, 170, 0.012), transparent);
  animation: crt-sweep 8s linear infinite;
  pointer-events: none;
  z-index: 50;
}

@keyframes crt-sweep {
  0% { top: -150px; }
  100% { top: 100%; }
}

/* ---- Focus states ---- */
:focus-visible {
  outline: 2px solid var(--rc-accent);
  outline-offset: 2px;
  box-shadow: 0 0 8px var(--rc-accent-glow);
}

:focus:not(:focus-visible) {
  outline: none;
}

/* ---- Layout ---- */
main {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Mobile: tighter bezel */
@media (max-width: 520px) {
  .crt-monitor {
    padding: 0.5rem;
  }

  .crt-bezel {
    border-radius: 12px;
    padding: 12px 12px 32px 12px;
  }

  .crt-bezel::before,
  .crt-bezel::after {
    display: none;
  }

  .crt-controls {
    bottom: 8px;
  }

  .crt-brand {
    font-size: 8px;
  }

  .crt-content {
    max-height: 85vh;
  }
}

.screen {
  display: none;
  padding-bottom: 4rem;
}

.screen.active {
  display: block;
}

/* ---- Header ---- */
.site-header {
  text-align: center;
  padding: 2rem 1rem 1rem;
  border-bottom: 1px solid var(--rc-border);
}

.wordmark {
  font-family: var(--rc-font);
  font-size: 1.3rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--rc-text-bright);
}

.powered-by-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.4rem;
  font-size: 0.65rem;
  color: var(--rc-text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--rc-ease);
}

.powered-by-link:hover {
  color: var(--rc-accent);
}

.rc-logo {
  flex-shrink: 0;
}

/* ---- Screen 1: Entry ---- */
.hero {
  text-align: center;
  margin: 2.5rem 0;
}

.hero-headline {
  font-family: var(--rc-font);
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--rc-text-bright);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.hero-sub {
  font-size: 0.85rem;
  color: var(--rc-text-dim);
  max-width: 400px;
  margin: 0 auto;
}

/* Tabs */
.tab-bar {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--rc-border);
}

.tab {
  flex: 1;
  padding: 0.75rem 1rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--rc-text-dim);
  font-family: var(--rc-font);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--rc-ease), border-color var(--rc-ease);
}

.tab:hover {
  color: var(--rc-text-bright);
}

.tab.active {
  color: var(--rc-accent);
  border-bottom-color: var(--rc-accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Meta fields (title/artist) */
.meta-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.meta-fields input {
  width: 100%;
  padding: 0.6rem 1rem;
  background: var(--rc-bg-dark);
  border: 1px solid var(--rc-border);
  border-radius: var(--rc-radius);
  color: var(--rc-text-bright);
  font-family: var(--rc-font-mono);
  font-size: 0.82rem;
  transition: border-color var(--rc-ease), box-shadow var(--rc-ease);
}

.meta-fields input:focus {
  outline: none;
  border-color: var(--rc-accent);
  box-shadow: 0 0 0 3px var(--rc-accent-glow);
}

.meta-fields input::placeholder {
  color: var(--rc-text-dim);
}

/* Lyrics textarea */
#lyrics-input {
  width: 100%;
  min-height: 280px;
  padding: 1rem;
  background: var(--rc-bg-dark);
  border: 1px solid var(--rc-border);
  border-radius: var(--rc-radius);
  color: var(--rc-text-bright);
  font-family: var(--rc-font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  resize: vertical;
  transition: border-color var(--rc-ease), box-shadow var(--rc-ease);
}

#lyrics-input:focus {
  outline: none;
  border-color: var(--rc-accent);
  box-shadow: 0 0 0 3px var(--rc-accent-glow);
}

#lyrics-input::placeholder {
  color: var(--rc-text-dim);
  font-family: var(--rc-font);
}

.input-hint {
  font-size: 0.75rem;
  color: var(--rc-text-dim);
  margin-top: 0.5rem;
}

/* Search stub */
.search-stub {
  text-align: center;
  padding: 3rem 1rem;
}

.stub-icon {
  color: var(--rc-text-dim);
  margin-bottom: 1rem;
  opacity: 0.5;
}

.stub-title {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rc-text-dim);
  margin-bottom: 0.5rem;
}

.stub-desc {
  font-size: 0.78rem;
  color: var(--rc-text-dim);
  max-width: 340px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Consent notice */
.consent-notice {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid var(--rc-border);
  border-radius: var(--rc-radius);
  background: var(--rc-bg-panel);
}

.consent-label {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  cursor: pointer;
}

.consent-label input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--rc-accent);
}

.consent-text {
  font-size: 0.72rem;
  color: var(--rc-text-dim);
  line-height: 1.6;
}

.consent-text strong {
  color: var(--rc-text-bright);
}

.consent-text a {
  color: var(--rc-accent);
  text-decoration: none;
  transition: color var(--rc-ease);
}

.consent-text a:hover {
  color: var(--rc-text-bright);
}

.consent-policy-link {
  display: inline-block;
  margin-top: 2px;
}

/* Error bar */
.error-bar {
  background: rgba(255, 51, 51, 0.08);
  border: 1px solid rgba(255, 51, 51, 0.25);
  border-radius: var(--rc-radius);
  padding: 0.5rem 1rem;
  color: var(--rc-red);
  font-size: 0.8rem;
  margin-top: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  border-radius: var(--rc-radius);
  font-family: var(--rc-font);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--rc-ease), color var(--rc-ease), border-color var(--rc-ease), box-shadow var(--rc-ease);
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  width: 100%;
  background: var(--rc-accent);
  color: var(--rc-bg-dark);
  border: 2px solid var(--rc-accent);
  margin-top: 1.5rem;
}

.btn-primary:not(:disabled):hover {
  background: transparent;
  color: var(--rc-accent);
  box-shadow: 0 0 20px var(--rc-accent-glow);
}

.btn-primary:disabled {
  opacity: 0.2;
  cursor: not-allowed;
}

.btn-secondary {
  width: 100%;
  padding: 0.65rem 1.5rem;
  background: transparent;
  color: var(--rc-text-dim);
  border: 2px solid var(--rc-border);
  font-size: 0.78rem;
}

.btn-secondary:hover {
  color: var(--rc-accent);
  border-color: var(--rc-accent);
  box-shadow: 0 0 12px var(--rc-accent-glow);
}

.below-fold {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rc-border);
}

.below-fold p {
  font-size: 0.72rem;
  color: var(--rc-text-dim);
  max-width: 360px;
  margin: 0 auto;
}

/* ---- Screen 2: Processing ---- */
.processing-content {
  text-align: center;
  padding: 5rem 0 4rem;
}

.proc-bar-wrap {
  max-width: 360px;
  margin: 0 auto 2rem;
}

.proc-bar-track {
  height: 3px;
  background: var(--rc-border);
  border-radius: 1px;
  overflow: hidden;
}

.proc-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--rc-accent);
  border-radius: 1px;
  transition: width 0.4s ease-out;
  box-shadow: 0 0 8px var(--rc-accent-glow);
}

.proc-pct {
  font-family: var(--rc-font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--rc-accent);
  margin-top: 0.5rem;
  text-shadow: 0 0 10px var(--rc-accent-glow);
}

.processing-stage {
  font-family: var(--rc-font);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rc-text-bright);
}

.processing-sub {
  font-size: 0.75rem;
  color: var(--rc-text-dim);
  margin-top: 0.3rem;
  min-height: 1.2em;
}

/* ---- Screen 3: Results ---- */
.result-identity {
  text-align: center;
  padding-top: 2.5rem;
  margin-bottom: 0.5rem;
}

.result-song-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--rc-text-bright);
}

.result-song-artist {
  font-size: 0.8rem;
  color: var(--rc-text-dim);
  margin-top: 2px;
}

/* Classification display */
.result-classification {
  text-align: center;
  padding: 2rem 0;
}

.tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.8rem;
  border-radius: var(--rc-radius);
  background: var(--rc-bg-panel);
  border: 1px solid var(--rc-border);
}

.tier-badge-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.tier-badge-label {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rc-text-bright);
}

.charge-display {
  margin-top: 1rem;
  font-family: var(--rc-font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  text-shadow: 0 0 15px currentColor;
}

.charge-positive { color: var(--rc-blue); }
.charge-negative { color: var(--rc-orange); }
.charge-high-positive { color: var(--rc-violet); }
.charge-high-negative { color: var(--rc-red); }
.charge-neutral { color: var(--rc-green); }

/* Summary */
.result-summary {
  text-align: center;
  padding: 0 0 2rem;
}

.summary-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--rc-text);
  max-width: 480px;
  margin: 0 auto;
  font-style: italic;
}

/* Contamination */
.result-contamination {
  text-align: center;
  padding: 1rem 1.5rem;
  margin: 0 auto 2rem;
  max-width: 480px;
  background: var(--rc-contam-bg);
  border: 1px solid var(--rc-contam-border);
  border-radius: var(--rc-radius);
}

.contam-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rc-red);
  margin-bottom: 0.25rem;
}

.contam-note {
  font-size: 0.78rem;
  color: var(--rc-text-dim);
  line-height: 1.6;
}

/* Misread link */
.result-misread {
  text-align: center;
  margin-bottom: 1rem;
}

.misread-link {
  font-size: 0.72rem;
  color: var(--rc-text-dim);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--rc-ease);
}

.misread-link:hover {
  color: var(--rc-accent);
}

/* CTA */
.result-cta {
  padding: 2rem 0;
  border-top: 1px solid var(--rc-border);
  margin-top: 1rem;
  text-align: center;
}

.cta-secondary {
  font-size: 0.75rem;
  color: var(--rc-text-dim);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.cta-secondary a {
  color: var(--rc-accent);
  text-decoration: none;
  transition: color var(--rc-ease);
}

.cta-secondary a:hover {
  color: var(--rc-text-bright);
}

/* Results footer */
.results-footer {
  text-align: center;
  padding: 2rem 0;
}

.wordmark-small {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--rc-text-dim);
}

/* Site footer */
.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  border-top: 1px solid var(--rc-border);
  margin-top: 1rem;
  font-size: 0.7rem;
  color: var(--rc-text-dim);
}

.site-footer a {
  color: var(--rc-accent);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--rc-text-bright);
}

/* ---- Utilities ---- */
.hidden {
  display: none !important;
}

/* ---- Scrollbar (page level) ---- */
body {
  scrollbar-width: none;
  overflow: hidden;
}

body::-webkit-scrollbar {
  display: none;
}

/* ---- Responsive ---- */
@media (min-width: 640px) {
  main {
    padding: 0 2rem;
  }

  .hero-headline {
    font-size: 1.8rem;
  }

  #lyrics-input {
    min-height: 320px;
  }
}

@media (max-width: 480px) {
  .meta-fields {
    grid-template-columns: 1fr;
  }

  .wordmark {
    font-size: 1.1rem;
  }

  .hero-headline {
    font-size: 1.3rem;
  }
}