:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #fafbfd;
  --ink: #101828;
  --muted: #667085;
  --line: #e4e7ec;
  --line-strong: #d0d5dd;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --success: #0f766e;
  --danger: #dc2626;
  --shadow: 0 12px 40px rgba(16, 24, 40, 0.06);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.05), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  font-family: "Inter", "Aptos", "Yu Gothic UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

.shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.8fr);
  gap: 20px;
}

.hero-copy {
  padding: 10px 2px;
}

.eyebrow,
.kicker,
.field-label,
#session-status,
#last-saved-status {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow,
.kicker,
.field-label {
  font-size: 0.75rem;
  color: var(--muted);
}

h1 {
  margin-top: 12px;
  max-width: 720px;
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.lede {
  margin-top: 16px;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.8;
}

.card,
.subcard,
.score-card,
.history-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card {
  padding: 22px;
  margin-top: 24px;
}

.hero-card {
  margin-top: 0;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.hero-points span {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid #dbeafe;
  background: #ffffff;
}

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

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: 20px;
  margin-top: 24px;
}

.studio-card,
.transcript-card,
.score-card-shell,
.history-shell {
  margin-top: 0;
}

.card-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
}

.card-header h2 {
  margin-top: 4px;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.header-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 0.74rem;
  text-align: right;
}

.control-grid,
.info-grid,
.comparison-grid,
.detail-grid,
.trend-grid {
  display: grid;
  gap: 16px;
}

.control-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.comparison-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.trend-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field,
.subcard {
  padding: 16px;
  border-radius: var(--radius-lg);
  background: var(--surface-soft);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--line);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 12px 14px;
  background: #fff;
  color: var(--ink);
}

textarea {
  min-height: 360px;
  line-height: 1.8;
  resize: vertical;
}

.status-field p {
  color: var(--muted);
  line-height: 1.6;
}

.subcard-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}

.script-text,
.summary-text {
  line-height: 1.8;
  color: var(--ink);
}

.summary-text,
.history-transcript {
  color: var(--muted);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

button {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  background: #fff;
  color: var(--ink);
}

button.primary {
  background: var(--accent);
  color: #fff;
}

button.success {
  background: var(--success);
  color: #fff;
}

button.ghost {
  background: #fff;
  border-color: var(--line-strong);
}

button.small {
  padding: 8px 12px;
}

button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.meter-card {
  margin-top: 18px;
}

progress {
  width: 100%;
  height: 14px;
  overflow: hidden;
}

progress::-webkit-progress-bar {
  background: #edf2f7;
  border-radius: 999px;
}

progress::-webkit-progress-value {
  background: linear-gradient(90deg, #60a5fa, var(--accent));
  border-radius: 999px;
}

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

#timer-text {
  font-size: 1.9rem;
  letter-spacing: -0.05em;
}

#support-text {
  color: var(--muted);
  line-height: 1.7;
}

.audio-wrap {
  margin-top: 18px;
}

audio {
  width: 100%;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 14px;
}

.score-card {
  padding: 18px;
  border-radius: var(--radius-lg);
}

.score-card strong {
  display: block;
  margin-top: 10px;
  font-size: 2rem;
  letter-spacing: -0.06em;
}

.score-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

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

.comparison-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 14px;
  background: #f8fafc;
}

.comparison-item.negative {
  background: #fef2f2;
}

.comparison-item.neutral {
  background: #f5f6f8;
}

.comparison-name {
  color: var(--muted);
}

.comparison-value {
  font-weight: 700;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
}

.notes-list {
  padding-left: 18px;
  line-height: 1.8;
}

.bars {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
  min-height: 180px;
}

.bar {
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: 8px;
  min-height: 160px;
}

.bar-fill {
  min-height: 10px;
  border-radius: 14px 14px 8px 8px;
  background: linear-gradient(180deg, #93c5fd, var(--accent));
}

.bar-label {
  text-align: center;
  color: var(--muted);
  font-size: 0.72rem;
}

.history-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.history-card {
  padding: 18px;
  border-radius: var(--radius-lg);
}

.history-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: end;
}

.history-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.history-chip {
  padding: 8px 10px;
  border-radius: 999px;
  background: #f3f6fb;
}

.history-transcript {
  margin-top: 14px;
  line-height: 1.8;
}

@media (max-width: 980px) {
  .hero,
  .layout,
  .info-grid,
  .comparison-grid,
  .detail-grid,
  .trend-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 20px, 1200px);
    padding-top: 20px;
  }

  .control-grid {
    grid-template-columns: 1fr;
  }

  .card-header,
  .meter-meta,
  .history-top {
    display: block;
  }

  .card-header > * + *,
  .meter-meta > * + *,
  .history-top > * + * {
    margin-top: 8px;
  }

  .header-meta {
    text-align: left;
  }
}