* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

:root {
  --bg-page-1: #fcfcfc;
  --bg-page-2: #f1f1f1;
  --bg-page-3: #e7e7e7;

  --text-main: #161616;
  --text-soft: #616b78;
  --text-faint: #8d95a2;

  --border-main: #d7dbe0;
  --border-soft: #e7e9ed;

  --panel-top: #ffffff;
  --panel-mid: #f8f8f8;
  --panel-bottom: #eeeeee;

  --inner-top: #ffffff;
  --inner-bottom: #f3f4f5;

  --accent-coral-1: #ff6b6b;
  --accent-coral-2: #ff8787;

  --accent-blue-1: #4dabf7;
  --accent-blue-2: #74c0fc;

  --accent-yellow-1: #ffd43b;
  --accent-yellow-2: #ffe066;

  --button-red-1: #e0001b;
  --button-red-2: #c70019;
  --button-red-3: #af0016;

  --success-bg-1: #f4fff7;
  --success-bg-2: #e9f9ee;
  --success-border: #ccefd8;
  --success-text: #166534;

  --shadow-hero:
    0 2px 4px rgba(0, 0, 0, 0.04),
    0 12px 28px rgba(0, 0, 0, 0.06),
    0 30px 70px rgba(0, 0, 0, 0.05);

  --shadow-panel:
    0 1px 3px rgba(0, 0, 0, 0.05),
    0 10px 24px rgba(0, 0, 0, 0.05),
    0 22px 48px rgba(0, 0, 0, 0.04);

  --shadow-card:
    0 2px 5px rgba(0, 0, 0, 0.05),
    0 12px 26px rgba(0, 0, 0, 0.06),
    0 28px 56px rgba(0, 0, 0, 0.05);

  --shadow-card-hover:
    0 4px 8px rgba(0, 0, 0, 0.06),
    0 18px 36px rgba(0, 0, 0, 0.08),
    0 38px 72px rgba(0, 0, 0, 0.06);

  --shadow-inner:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset 0 -1px 0 rgba(255, 255, 255, 0.25),
    0 1px 3px rgba(0, 0, 0, 0.03);

  --radius-xl: 8px;
  --radius-lg: 6px;
  --radius-md: 5px;
  --radius-sm: 4px;
}

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top, var(--bg-page-1) 0%, var(--bg-page-2) 38%, var(--bg-page-3) 100%);
  min-height: 100vh;
  letter-spacing: -0.01em;
}

.shell {
  max-width: 1340px;
  margin: 0 auto;
  padding: 24px;
}

.hero,
.panel,
.card {
  background: linear-gradient(
    180deg,
    var(--panel-top) 0%,
    var(--panel-mid) 54%,
    var(--panel-bottom) 100%
  );
  border: 1px solid var(--border-main);
  border-radius: var(--radius-xl);
}

.hero {
  padding: 30px 34px;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 18px;
  box-shadow: var(--shadow-hero);
}

.hero-copy {
  max-width: 880px;
}

.hero h1 {
  margin: 10px 0 0;
  font-size: 2.45rem;
  line-height: 1.03;
  letter-spacing: -0.04em;
  color: var(--text-main);
}

.subtitle {
  max-width: 780px;
  color: var(--text-soft);
  font-size: 1.04rem;
  line-height: 1.75;
  margin-top: 14px;
}

.pill {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--text-main);
  background: linear-gradient(180deg, #ffffff 0%, #f1f2f4 100%);
  border: 1px solid var(--border-main);
  box-shadow: var(--shadow-inner);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-stats {
  min-width: 280px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  background: linear-gradient(180deg, #ffffff 0%, #f5f6f7 100%);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-inner);
}

.hero-stats div {
  text-align: center;
  padding: 8px 4px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, #f8f8f9 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95);
}

.hero-stats span {
  display: block;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
}

.hero-stats small {
  color: var(--text-soft);
  font-size: 0.78rem;
}

.panel {
  padding: 20px 24px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-panel);
}

.panel h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.24rem;
  letter-spacing: -0.025em;
  color: var(--text-main);
}

.setup-panel p {
  margin: 0 0 10px 0;
  color: var(--text-soft);
  line-height: 1.5;
}

.checkbox {
  display: flex;
  gap: 12px;
  align-items: start;
  margin-top: 12px;
  color: var(--text-main);
}

.checkbox input {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--button-red-1);
}

.progress-head {
  display: flex;
  justify-content: space-between;
  color: var(--text-soft);
  margin-bottom: 10px;
  font-weight: 600;
}

.progress-bar {
  width: 100%;
  height: 11px;
  border-radius: 999px;
  background: linear-gradient(180deg, #ececec 0%, #e1e2e4 100%);
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.08);
}

.progress-fill {
  height: 100%;
  width: 20%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--button-red-1) 0%, #f13a52 100%);
  box-shadow:
    0 0 12px rgba(224, 0, 27, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.34);
}

.guidance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.mini-card {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-main);
  background: linear-gradient(180deg, var(--inner-top) 0%, var(--inner-bottom) 100%);
  box-shadow: var(--shadow-inner);
}

.mini-card strong {
  display: block;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--text-faint);
}

.mini-card p {
  margin: 0;
  line-height: 1.46;
  color: var(--text-main);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.card {
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.card-topline {
  height: 10px;
}

.card.red .card-topline {
  background: linear-gradient(90deg, var(--accent-coral-1) 0%, var(--accent-coral-2) 100%);
}

.card.gray .card-topline {
  background: linear-gradient(90deg, var(--accent-blue-1) 0%, var(--accent-blue-2) 100%);
}

.card.charcoal .card-topline {
  background: linear-gradient(90deg, var(--accent-yellow-1) 0%, var(--accent-yellow-2) 100%);
}

.card-header {
  padding: 18px 18px 8px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.card h3 {
  margin: 6px 0 0;
  font-size: 1.34rem;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--text-faint);
}

.score-box {
  text-align: right;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, #f2f3f5 100%);
  border: 1px solid var(--border-main);
  box-shadow: var(--shadow-inner);
}

.score-box span {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
}

.score-box small {
  color: var(--text-soft);
}

.audio-panel {
  margin: 0 18px 14px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, #f3f4f6 100%);
  border: 1px solid var(--border-main);
  box-shadow: var(--shadow-inner);
}

.audio-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-soft);
  margin-bottom: 10px;
}

audio {
  width: 100%;
  height: 42px;
  display: block;
  border-radius: var(--radius-sm);
}

.controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin: 0 18px 14px;
}

.played-pill {
  font-size: 0.84rem;
  padding: 8px 12px;
  border-radius: 999px;
  background: linear-gradient(180deg, #ffffff 0%, #f3f4f6 100%);
  border: 1px solid var(--border-main);
  color: var(--text-soft);
  box-shadow: var(--shadow-inner);
}

.played-pill.ok {
  color: var(--success-text);
  background: linear-gradient(180deg, var(--success-bg-1) 0%, var(--success-bg-2) 100%);
  border-color: var(--success-border);
}

.scale-header,
.ticks {
  display: flex;
  justify-content: space-between;
  color: var(--text-soft);
  font-size: 0.85rem;
  margin: 0 18px 10px;
}

input[type="range"] {
  width: calc(100% - 36px);
  margin: 0 18px;
  accent-color: var(--button-red-1);
}

.status-subtitle {
  margin-top: -4px;
  color: var(--text-soft);
}

.status-list {
  display: grid;
  gap: 10px;
}

.status-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-main);
  background: linear-gradient(180deg, #ffffff 0%, #f4f5f6 100%);
  color: var(--text-soft);
  box-shadow: var(--shadow-inner);
}

.ok {
  color: var(--success-text);
}

.pending {
  color: var(--text-soft);
}

.button-row {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

button {
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  transition:
    background 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease,
    opacity 0.18s ease;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.primary {
  color: #ffffff;
  background: linear-gradient(180deg, var(--button-red-1) 0%, var(--button-red-2) 100%);
  box-shadow:
    0 8px 18px rgba(214, 0, 28, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.primary:hover {
  background: linear-gradient(180deg, var(--button-red-2) 0%, var(--button-red-3) 100%);
  transform: translateY(-1px);
}

.secondary {
  color: var(--text-main);
  background: linear-gradient(180deg, #ffffff 0%, #eff0f1 100%);
  border: 1px solid var(--border-main);
  box-shadow: var(--shadow-inner);
}

.secondary:hover {
  transform: translateY(-1px);
}

.message {
  margin-top: 12px;
  color: var(--text-soft);
  min-height: 1.4em;
}

@media (max-width: 1100px) {
  .hero,
  .guidance-grid,
  .cards {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero {
    align-items: start;
  }
}