:root {
  --bg: #070008;
  --black: #050505;
  --panel: rgba(16, 10, 28, 0.9);
  --panel-2: rgba(22, 18, 42, 0.94);
  --text: #fff7ff;
  --muted: #c6b8d8;
  --line: rgba(255,255,255,0.18);
  --pink: #ff2fb2;
  --cyan: #28f3ff;
  --yellow: #fff12b;
  --green: #4dff7a;
  --purple: #7c3cff;
  --red: #ff3b3b;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial Black, Impact, Inter, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(255,47,178,0.35), transparent 28%),
    radial-gradient(circle at 86% 12%, rgba(40,243,255,0.24), transparent 32%),
    radial-gradient(circle at 50% 100%, rgba(124,60,255,0.34), transparent 38%),
    linear-gradient(135deg, #110016 0%, #050507 42%, #050015 100%);
  overflow-x: hidden;
}

body::after {
  content: "MEGA GUITAR / TAB SIGNAL / LOCAL BACKEND / MTV MODE / ";
  position: fixed;
  left: -5vw;
  right: -5vw;
  bottom: 28px;
  z-index: 1;
  transform: rotate(-3deg);
  padding: 12px 0;
  color: var(--black);
  background: var(--yellow);
  font-size: clamp(18px, 4vw, 42px);
  letter-spacing: 0.08em;
  white-space: nowrap;
  opacity: 0.95;
  pointer-events: none;
  box-shadow: 0 0 28px rgba(255,241,43,0.35);
}

.crt,
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.crt {
  z-index: 20;
  background:
    linear-gradient(rgba(255,255,255,0.035) 50%, rgba(0,0,0,0.13) 50%),
    linear-gradient(90deg, rgba(255,0,0,0.04), rgba(0,255,0,0.025), rgba(0,0,255,0.04));
  background-size: 100% 4px, 6px 100%;
  mix-blend-mode: overlay;
}

.noise {
  z-index: 19;
  opacity: 0.09;
  background-image:
    repeating-radial-gradient(circle at 20% 30%, #fff 0 1px, transparent 1px 4px);
}

.page-shell {
  position: relative;
  z-index: 2;
  width: min(1160px, 92vw);
  margin: 0 auto;
  padding: 28px 0 110px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 34px;
}

.back-link {
  color: var(--text);
  text-decoration: none;
  border: 2px solid var(--cyan);
  border-radius: 999px;
  padding: 10px 16px;
  background: rgba(0,0,0,0.5);
  box-shadow: 0 0 18px rgba(40,243,255,0.35);
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.badge,
.status-pill,
.mini-label {
  color: var(--black);
  background: var(--green);
  border-radius: 999px;
  padding: 9px 13px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 4px 4px 0 var(--pink);
}

.hero {
  display: grid;
  gap: 22px;
}

.intro,
.panel,
.workflow,
.result,
.notes {
  position: relative;
  border: 2px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255,47,178,0.12), transparent 34%),
    linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow:
    10px 10px 0 rgba(255,47,178,0.28),
    -10px -10px 0 rgba(40,243,255,0.18),
    0 28px 80px rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
}

.intro {
  padding: clamp(34px, 7vw, 76px);
  overflow: hidden;
}

.intro::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -80px;
  top: -90px;
  background:
    conic-gradient(from 90deg, var(--pink), var(--cyan), var(--yellow), var(--green), var(--pink));
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.72;
}

.sticker-row {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.sticker {
  display: inline-block;
  padding: 9px 13px;
  color: var(--black);
  border: 3px solid var(--black);
  font-size: 13px;
  letter-spacing: 0.08em;
  transform: rotate(-2deg);
  box-shadow: 5px 5px 0 rgba(0,0,0,0.75);
}

.sticker.hot {
  background: var(--pink);
}

.sticker.blue {
  background: var(--cyan);
  transform: rotate(2deg);
}

.sticker.green {
  background: var(--green);
  transform: rotate(-1deg);
}

.eyebrow {
  position: relative;
  z-index: 2;
  margin: 0 0 10px;
  color: var(--yellow);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-shadow: 2px 2px 0 var(--pink);
}

h1,
h2 {
  position: relative;
  z-index: 2;
  margin: 0;
  line-height: 0.95;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  font-size: clamp(52px, 9vw, 118px);
  letter-spacing: -0.07em;
  text-shadow:
    4px 4px 0 var(--pink),
    -4px -2px 0 var(--cyan),
    0 0 30px rgba(255,255,255,0.22);
}

h2 {
  font-size: clamp(26px, 3vw, 42px);
  letter-spacing: -0.04em;
}

.lead,
.notes p,
.message {
  position: relative;
  z-index: 2;
  color: var(--muted);
  line-height: 1.65;
  font-family: Inter, system-ui, sans-serif;
}

.lead {
  max-width: 760px;
  margin: 22px 0 0;
  font-size: 19px;
}

.panel,
.workflow,
.result,
.notes {
  padding: 28px;
}

.panel-header,
.result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

input,
textarea {
  width: 100%;
  border: 2px solid var(--cyan);
  border-radius: 18px;
  padding: 16px;
  color: var(--text);
  background: rgba(0,0,0,0.58);
  outline: none;
  font: 16px Inter, system-ui, sans-serif;
  box-shadow: inset 0 0 18px rgba(40,243,255,0.08);
}

textarea {
  min-height: 150px;
  resize: vertical;
  line-height: 1.5;
}

input:focus,
textarea:focus {
  border-color: var(--yellow);
  box-shadow:
    0 0 0 4px rgba(255,241,43,0.12),
    0 0 22px rgba(255,241,43,0.25);
}

button {
  cursor: pointer;
  border: 0;
  border-radius: 18px;
  padding: 16px 20px;
  color: var(--black);
  background: var(--yellow);
  font: 900 14px Arial Black, Impact, sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 5px 5px 0 var(--pink);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--pink);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.quick-actions button {
  color: var(--text);
  background: rgba(0,0,0,0.58);
  border: 2px solid var(--line);
  box-shadow: 4px 4px 0 rgba(40,243,255,0.3);
  padding: 11px 13px;
}

.message {
  min-height: 26px;
  margin: 20px 0 0;
}

.message.error {
  color: #ff9b9b;
}

.message.success {
  color: var(--green);
}

.steps {
  list-style: none;
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 22px 0 0;
}

.steps li {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 2px solid var(--line);
  border-radius: 20px;
  padding: 16px;
  color: var(--muted);
  background: rgba(0,0,0,0.35);
  font-family: Inter, system-ui, sans-serif;
  font-weight: 800;
}

.steps span {
  display: grid;
  place-items: center;
  min-width: 42px;
  height: 42px;
  border-radius: 12px;
  color: var(--black);
  background: var(--cyan);
  font-family: Arial Black, Impact, sans-serif;
  font-size: 12px;
  box-shadow: 4px 4px 0 var(--purple);
}

.steps li.active {
  color: var(--yellow);
  border-color: var(--yellow);
  box-shadow: 0 0 24px rgba(255,241,43,0.16);
}

.steps li.done {
  color: var(--green);
  border-color: var(--green);
}

pre {
  overflow-x: auto;
  margin: 0;
  border: 2px solid var(--green);
  border-radius: 22px;
  padding: 22px;
  color: #d7ffe0;
  background:
    linear-gradient(rgba(77,255,122,0.04) 50%, rgba(0,0,0,0.08) 50%),
    #020403;
  background-size: 100% 4px;
  line-height: 1.55;
  font-size: 14px;
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  box-shadow: inset 0 0 24px rgba(77,255,122,0.12);
}

.lyrics-tools {
  margin-bottom: 22px;
}

.chord-sheet {
  margin: 18px 0 26px;
  border: 2px solid var(--green);
  border-radius: 22px;
  padding: 20px;
  background:
    linear-gradient(rgba(77,255,122,0.035) 50%, rgba(0,0,0,0.08) 50%),
    #030504;
  background-size: 100% 4px;
  overflow-x: auto;
}

.chord-sheet:empty {
  display: none;
}

.song-line {
  margin-bottom: 14px;
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  white-space: pre;
}

.song-chords {
  min-height: 19px;
  color: var(--yellow);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0;
}

.song-lyrics {
  color: #f7f1ff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0;
}

.sheet-note {
  margin-bottom: 14px;
  color: var(--muted);
  font: 700 14px Inter, system-ui, sans-serif;
  line-height: 1.5;
}

.chord-library-title {
  margin-top: 8px;
}

.chord-diagrams {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 10px;
}

.chord-card {
  border: 2px solid var(--purple);
  border-radius: 14px;
  padding: 8px 6px 5px;
  background: rgba(124, 60, 255, 0.1);
  box-shadow: 3px 3px 0 rgba(255, 47, 178, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chord-card svg {
  width: 82px;
  height: 108px;
}

.chord-card--unknown {
  width: 82px;
  height: 108px;
  color: var(--muted);
  font-family: Arial Black, Impact, sans-serif;
  font-size: 16px;
}

.hidden {
  display: none;
}

@media (max-width: 760px) {
  .input-row {
    grid-template-columns: 1fr;
  }

  .topbar,
  .panel-header,
  .result-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .intro,
  .panel,
  .workflow,
  .result,
  .notes {
    padding: 22px;
  }

  body::after {
    font-size: 22px;
  }
}