@import url('https://fonts.googleapis.com/css2?family=Fraunces:wght@400;600;700&family=Space+Grotesk:wght@400;500;600&display=swap');

:root {
  --bg: #0f1116;
  --bg-alt: #141827;
  --panel: rgba(18, 23, 38, 0.92);
  --accent: #ff8c42;
  --accent-2: #2ad4ff;
  --accent-3: #ff5ea8;
  --text: #f1f3f8;
  --muted: #aab1c6;
  --stroke: rgba(255, 255, 255, 0.08);
  --shadow: 0 30px 60px rgba(5, 8, 18, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #1d2339 0%, #0b0d14 55%, #090a0f 100%);
  min-height: 100vh;
  position: relative;
}

.hero.compact .logo {
  width: 52px;
  height: 52px;
  font-size: 20px;
}

.bg-orbit {
  position: fixed;
  inset: -20% auto auto -10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(255, 140, 66, 0.2), rgba(255, 94, 168, 0.08), transparent 70%);
  filter: blur(0px);
  z-index: -2;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: -3;
  opacity: 0.5;
}

.hero {
  padding: 28px 8vw 20px;
}

.hero.compact {
  padding-bottom: 10px;
}

.topbar.compact {
  justify-content: flex-start;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 18px;
  background: linear-gradient(135deg, #ff8c42, #ff5ea8);
  color: #1a0e08;
}

.brand-title {
  font-weight: 600;
  letter-spacing: 0.6px;
  font-size: 1.15rem;
  text-transform: uppercase;
}

.brand-title.glow {
  font-size: 1.8rem;
  letter-spacing: 1px;
  background: linear-gradient(120deg, #ff8c42, #ff5ea8, #2ad4ff);
  -webkit-background-clip: text;
  color: transparent;
  text-shadow: 0 12px 35px rgba(255, 94, 168, 0.25);
}

.brand-sub {
  font-size: 0.85rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.compact-title {
  height: 0;
  margin: 0;
  padding: 0;
}

.brand-sub {
  font-size: 13px;
  color: var(--muted);
}

.pill {
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(42, 212, 255, 0.15);
  border: 1px solid rgba(42, 212, 255, 0.3);
  color: #bdefff;
  font-size: 13px;
}

.hero-content {
  margin-top: 50px;
  display: grid;
  grid-template-columns: 1.1fr 0.7fr;
  gap: 36px;
  align-items: center;
}

.hero h1 {
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: clamp(2.5rem, 4vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 18px;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-card {
  background: var(--panel);
  padding: 26px;
  border-radius: 24px;
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
}

.hero-card-title {
  font-weight: 600;
  margin-bottom: 12px;
}

.hero-card-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
}

.hero-card-footer {
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 40px 8vw 80px;
}

.section-title h2 {
  font-family: "Fraunces", serif;
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin: 0 0 8px;
}

.section-title p {
  color: var(--muted);
  margin: 0 0 24px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.grid.practice-grid {
  grid-template-columns: minmax(320px, 1fr);
  align-items: stretch;
  gap: 28px;
}

.card.builder,
.grid.practice-grid {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.stack {
  display: grid;
  gap: 20px;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--stroke);
  padding: 24px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  position: relative;
}

.card-title {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.practice-hub {
  display: grid;
  gap: 22px;
  height: 100%;
}

.progression-block {
  display: grid;
  gap: 14px;
}

.key-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.tempo-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: none;
}

.tempo-pill .tempo-label {
  font-size: 0.85rem;
  color: #e6f7ff;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.tempo-pill .tempo-wrap.funky {
  padding: 0;
  border-radius: 0;
  border: none;
  background: transparent;
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.key-banner {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(255, 140, 66, 0.3), rgba(255, 94, 168, 0.2));
  border: 1px solid rgba(255, 140, 66, 0.5);
  color: #ffe7d6;
  font-size: 1.05rem;
  letter-spacing: 0.4px;
  width: fit-content;
  margin-bottom: 6px;
  box-shadow: 0 10px 22px rgba(255, 140, 66, 0.2), 0 0 14px rgba(255, 94, 168, 0.18);
  cursor: pointer;
}

.key-banner:active {
  transform: translateY(1px);
}

.key-pill-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.key-picker {
  position: absolute;
  top: 54px;
  left: 0;
  min-width: 260px;
  background: rgba(12, 15, 23, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
  display: none;
  z-index: 20;
}

.key-picker.open {
  display: grid;
  gap: 12px;
}

.key-picker-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 6px;
}

.key-picker-notes {
  display: grid;
  grid-template-columns: repeat(4, minmax(40px, 1fr));
  gap: 6px;
}

.key-picker-notes button {
  padding: 6px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  font-size: 0.8rem;
  cursor: pointer;
}

.key-picker-notes button.active,
.key-picker-modes button.active {
  background: rgba(255, 140, 66, 0.3);
  border-color: rgba(255, 140, 66, 0.6);
  color: #fff2e2;
}

.key-picker-modes {
  display: flex;
  gap: 8px;
}

.key-banner span {
  color: #fff5ec;
  font-weight: 600;
}

@keyframes keyPulse {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 10px 22px rgba(255, 140, 66, 0.2), 0 0 14px rgba(255, 94, 168, 0.18);
  }
  50% {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(255, 140, 66, 0.3), 0 0 20px rgba(255, 94, 168, 0.26);
  }
}

.key-banner.pulse {
  animation: keyPulse 1.2s ease-in-out 1;
}

.key-lock {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.key-lock:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(255, 140, 66, 0.2);
}

.key-lock[aria-pressed="true"] {
  background: rgba(255, 140, 66, 0.25);
  border-color: rgba(255, 140, 66, 0.55);
  color: #fff0dc;
}

.progression.large {
  padding: 18px;
  gap: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  grid-auto-rows: minmax(70px, auto);
  overflow: hidden;
}

.progression.large .progression-item {
  min-width: 0;
  padding: 16px 18px;
  box-sizing: border-box;
  overflow: hidden;
  word-break: break-word;
}

@media (max-width: 900px) {
  .progression-block .key-row {
    display: none;
  }
}

@media (max-width: 900px) {
  .progression.large {
    grid-template-columns: repeat(2, minmax(150px, 1fr));
    gap: 14px;
  }

  .progression-item {
    min-height: 90px;
    padding: 16px 18px;
  }

  .progression-item span {
    font-size: 0.8rem;
  }

  .progression-item strong {
    font-size: 1.2rem;
  }
  .progression.large {
    grid-template-columns: repeat(2, minmax(140px, 1fr));
  }
}

.control-row {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  align-items: end;
}

.focus-tools .note-list {
  margin-top: 8px;
  min-height: 34px;
}

.focus-tools .btn {
  margin-top: 8px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

label.toggle {
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
}

label.toggle input {
  width: 18px;
  height: 18px;
}

label.toggle.compact {
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}

select,
input[type="range"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(9, 12, 20, 0.8);
  color: var(--text);
  font-family: inherit;
}

input[type="range"] {
  height: 28px;
  background: transparent;
}

input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(9, 12, 20, 0.8);
  color: var(--text);
  font-family: inherit;
}

.tempo-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tempo-pill .tempo-wrap {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}

.tempo-wrap.funky {
  padding: 8px 10px;
  border-radius: 14px;
  background: linear-gradient(120deg, rgba(42, 212, 255, 0.15), rgba(255, 94, 168, 0.12));
  border: 1px solid rgba(42, 212, 255, 0.3);
}

.tempo-wrap span {
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.tempo-step {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.tempo-step:hover {
  background: rgba(255, 255, 255, 0.16);
}

.mobile-transport {
  position: sticky;
  bottom: 16px;
  margin: 0 8vw 20px;
  padding: 12px 14px;
  display: none;
  align-items: center;
  gap: 12px;
  background: rgba(11, 14, 22, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  backdrop-filter: blur(10px);
  z-index: 20;
}

.mobile-tempo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
}

.mobile-key {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.85);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 140, 66, 0.2);
  border: 1px solid rgba(255, 140, 66, 0.4);
}

.mobile-compact summary {
  font-size: 0.8rem;
}

.tempo-label.funky span {
  font-weight: 600;
  color: #d6f6ff;
}

.btn {
  border: none;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #1a0e08;
  box-shadow: 0 12px 30px rgba(255, 94, 168, 0.35);
}

.btn.primary.play {
  padding: 16px 28px;
  font-size: 1.05rem;
  box-shadow: 0 18px 40px rgba(255, 94, 168, 0.45);
}

.btn.ghost.stop {
  border-color: rgba(255, 94, 168, 0.4);
  color: #ffb3d5;
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn.small {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.btn:hover {
  transform: translateY(-2px);
}

.note {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--muted);
}

.progression-tools {
  display: grid;
  gap: 18px;
  margin: 18px 0;
}

.generator {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  margin-bottom: 18px;
}

.generator-row {
  display: flex;
  gap: 16px;
  align-items: end;
  flex-wrap: wrap;
}

.generator-row .control-row {
  flex: 1;
  min-width: 260px;
}

.builder {
  margin-bottom: 30px;
}

.palette {
  display: grid;
  gap: 4px;
}

.palette-drawer {
  margin-top: 16px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 12px 14px;
}

.palette-drawer summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
  margin-bottom: 8px;
}

.palette-drawer summary::-webkit-details-marker {
  display: none;
}

.palette-drawer summary::after {
  content: "▾";
  float: right;
  opacity: 0.6;
}

.palette-drawer[open] summary::after {
  transform: rotate(180deg);
}

.palette .card-title {
  display: none;
}

.palette-note {
  margin: -4px 0 2px 0;
  font-size: 0.8rem;
}

.palette-section {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 4px;
}

.palette-section:first-of-type {
  border-top: none;
  padding-top: 0;
}

.palette-section summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.75rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  margin: 4px 0 2px;
  padding-bottom: 4px;
}

.palette-section summary::-webkit-details-marker {
  display: none;
}

.palette-section summary::after {
  content: "▾";
  float: right;
  opacity: 0.6;
}

.palette-section[open] summary::after {
  transform: rotate(180deg);
}

.palette-section .chord-pool {
  margin-top: 10px;
}

.palette-section.diatonic .chord-btn {
  border-color: rgba(42, 212, 255, 0.25);
  background: rgba(42, 212, 255, 0.08);
}

.palette-section.extensions .chord-btn {
  border-color: rgba(255, 94, 168, 0.25);
  background: rgba(255, 94, 168, 0.08);
}

.palette-section.borrowed .chord-btn {
  border-color: rgba(255, 140, 66, 0.25);
  background: rgba(255, 140, 66, 0.08);
}

.palette .chord-btn {
  font-size: 0.85rem;
  padding: 7px 10px;
}

.palette .chord-btn {
  cursor: grab;
}

.palette .chord-btn:active {
  cursor: grabbing;
}

.details {
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 12px 14px;
}

.details summary {
  cursor: pointer;
  font-weight: 400;
  margin-bottom: 10px;
}

.builder-details {
  margin-top: 14px;
}

.chord-pool {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chord-btn,
.progression-item {
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  font-size: 0.9rem;
  color: #f4f6ff;
}

.progression-item {
  display: grid;
  gap: 2px;
  min-width: 86px;
  position: relative;
}

.progression-item span {
  font-size: 0.75rem;
  color: var(--muted);
}

.progression-item span::after {
  content: "•";
  margin-left: 6px;
  color: rgba(255, 255, 255, 0.25);
}

.progression-item strong {
  font-size: 1.2rem;
  color: var(--text);
}

.progression-item .beats {
  font-size: 0.7rem;
  color: var(--muted);
}

.progression-item.playing {
  background: rgba(42, 212, 255, 0.2);
  border-color: rgba(42, 212, 255, 0.6);
  box-shadow: 0 10px 30px rgba(42, 212, 255, 0.2);
}

.progression-item.playing::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(42, 212, 255, 0.9);
  box-shadow: 0 0 10px rgba(42, 212, 255, 0.6);
}

.progression-item.selected {
  border-color: rgba(255, 140, 66, 0.7);
  box-shadow: 0 12px 30px rgba(255, 140, 66, 0.2);
}

.remove-chord {
  position: absolute;
  top: 6px;
  right: 6px;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
  border-radius: 999px;
  width: 22px;
  height: 22px;
  font-size: 0.75rem;
  cursor: pointer;
}

.chord-editor {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 10px;
}

.chord-editor.hidden {
  display: none;
}

.editor-header {
  font-weight: 600;
}

.selected-chord {
  font-size: 1.1rem;
  font-weight: 600;
}

.editor-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.editor-label {
  font-size: 0.8rem;
  color: var(--muted);
}

.editor-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.editor-buttons .btn.active {
  background: rgba(42, 212, 255, 0.2);
  border-color: rgba(42, 212, 255, 0.6);
}

.progression {
  min-height: 60px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  border-radius: 14px;
  border: 1px dashed rgba(255, 255, 255, 0.16);
}

.progression-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  align-items: center;
  justify-content: space-between;
}

.progression-actions-right {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.progression-input {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  align-items: center;
}

.spicy-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.spicy-title {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.spicy-pill {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 94, 168, 0.18);
  border: 1px solid rgba(255, 94, 168, 0.4);
  font-size: 0.85rem;
}

.spicy-actions {
  display: flex;
  gap: 8px;
}

.now-playing {
  margin-top: 18px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(42, 212, 255, 0.3);
  background: rgba(42, 212, 255, 0.08);
}

.now-playing.large {
  margin-top: 0;
  padding: 20px;
}

.now-label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.now-chord {
  font-size: 2.4rem;
  font-weight: 600;
}

.now-details {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.fretboard-block {
  display: grid;
  gap: 18px;
}

.fretboard-wrapper {
  display: grid;
  gap: 8px;
}

.fretboard-markers {
  display: grid;
  grid-template-columns: repeat(13, 1fr);
  gap: 4px;
  font-size: 0.7rem;
  color: var(--muted);
  text-align: center;
}

.fretboard-markers div {
  padding: 2px 0;
  letter-spacing: 0.4px;
}

.fretboard-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.fretboard-controls {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.focus-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.focus-label {
  font-size: 0.85rem;
  color: var(--muted);
}

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

.playback.under {
  justify-content: flex-start;
  margin-top: 26px;
}


.count-in {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  font-size: 1.2rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
}

.count-in span {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.count-in span.active {
  color: #1a0e08;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(255, 94, 168, 0.35);
}

.level-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.level-row span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  min-width: 40px;
  text-align: right;
}

.session-timer {
  font-size: 2.4rem;
  font-weight: 600;
  margin: 10px 0 18px;
}

.session-controls {
  display: flex;
  gap: 12px;
}

.session-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 600;
}

.note-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.note-list span {
  padding: 6px 10px;
  border-radius: 12px;
  background: rgba(42, 212, 255, 0.15);
  border: 1px solid rgba(42, 212, 255, 0.3);
  font-size: 0.85rem;
}

.audio-credits {
  margin-top: 10px;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.45);
}

.fretboard {
  display: grid;
  grid-template-columns: repeat(13, 1fr);
  gap: 4px;
}

.hidden {
  display: none;
}

.fret {
  height: 34px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  color: var(--muted);
}

.fret.active {
  background: linear-gradient(135deg, rgba(42, 212, 255, 0.85), rgba(255, 140, 66, 0.75));
  color: #10131a;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(42, 212, 255, 0.35);
}

.fret.overlay {
  background: linear-gradient(135deg, rgba(255, 94, 168, 0.9), rgba(42, 212, 255, 0.7));
  color: #120711;
  font-weight: 700;
}

.fret.root {
  background: linear-gradient(135deg, rgba(255, 94, 168, 0.9), rgba(255, 140, 66, 0.9));
  color: #14060f;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.preset {
  cursor: pointer;
  transition: transform 0.2s ease;
}

.preset:hover {
  transform: translateY(-4px);
}

.preset-notes {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.footer {
  padding: 24px 8vw 30px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 1200px;
  margin: 0 auto;
}

.footer-meta {
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .hero {
    padding: 20px 6vw 10px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-title.glow {
    font-size: 1.5rem;
  }

  .section {
    padding: 28px 6vw 50px;
  }

  .grid.practice-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .generator-row {
    flex-direction: column;
    align-items: stretch;
  }

  .control-row {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .control-row,
  .generator,
  .generator-row,
  .card.builder,
  .section {
    width: 100%;
  }

  .control-row label,
  .control-row select,
  .control-row input,
  .generator-row .btn {
    width: 100%;
    max-width: 100%;
  }

  .control-row label,
  .tempo-pill,
  .key-banner,
  .key-row,
  .progression-actions,
  .palette,
  .palette-drawer,
  .chord-editor,
  .fretboard-block,
  .count-in,
  .mobile-transport {
    max-width: 100%;
  }

  .generator-row .btn {
    width: 100%;
  }

  .key-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .progression-block .sub-title {
    display: none;
  }

  .tempo-pill {
    width: 100%;
    justify-content: space-between;
  }

  .tempo-pill .tempo-wrap {
    flex: 1;
  }

  .progression.large {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
    grid-auto-rows: minmax(110px, auto);
    padding: 16px;
  }

  .progression-item {
    min-height: 120px;
    padding: 18px 20px;
  }

  .progression-item strong {
    font-size: 1.1rem;
    display: block;
  }

  .progression-item span {
    font-size: 0.9rem;
    display: block;
  }

  .progression-actions {
    flex-wrap: wrap;
  }

  .progression-actions-right {
    width: 100%;
    justify-content: flex-start;
  }

  .mobile-transport {
    display: flex;
  }

  .playback.under {
    display: none;
  }

  .count-in {
    justify-content: center;
  }

  .fretboard-wrapper {
    overflow-x: auto;
  }

  .fretboard {
    min-width: 720px;
  }

  .palette {
    gap: 10px;
  }

  .chord-pool {
    gap: 6px;
  }

  .chord-btn {
    padding: 10px 12px;
    font-size: 0.9rem;
  }

  .playback.under {
    flex-direction: column;
    align-items: stretch;
    position: sticky;
    bottom: 0;
    background: rgba(12, 15, 23, 0.9);
    padding: 12px;
    border-radius: 16px;
    box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.35);
    z-index: 5;
  }

  .playback.under .btn {
    width: 100%;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  input[type="range"] {
    height: 24px;
  }

  .progression.large {
    grid-template-columns: 1fr;
    grid-auto-rows: minmax(120px, auto);
  }

  .key-banner {
    font-size: 0.95rem;
    padding: 8px 12px;
  }

  .tempo-pill {
    padding: 8px 10px;
  }

  .tempo-pill .tempo-label {
    font-size: 0.75rem;
  }

  .progression.large {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 12px;
  }

  .progression-item {
    min-width: 85%;
    scroll-snap-align: start;
  }

  .progression-item strong {
    font-size: 1.1rem;
  }

  .card {
    padding: 18px;
  }

  .chord-editor,
  .generator {
    padding: 12px;
  }
}