:root {
  --bg-a: #0b2238;
  --bg-b: #153a2e;
  --panel: rgba(255, 255, 255, 0.92);
  --ink: #112333;
  --ink-soft: #35516b;
  --accent: #0d8d72;
  --accent-strong: #096f5a;
  --outline: rgba(17, 35, 51, 0.16);
  --danger: #b14d40;
  --success: #198754;
  --success-strong: #146c43;
  --danger-strong: #9f2f24;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Chakra Petch", "Segoe UI", sans-serif;
  color: var(--ink);
  min-height: 100vh;
  background: radial-gradient(circle at 20% 10%, #245f7e 0%, transparent 45%),
    radial-gradient(circle at 85% 20%, #2c6f47 0%, transparent 50%),
    linear-gradient(145deg, var(--bg-a), var(--bg-b));
}

.ambient-backdrop {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.42;
  pointer-events: none;
}

.layout {
  position: relative;
  z-index: 1;
  width: min(1200px, 92vw);
  margin: 2rem auto 3rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  animation: fade-in 500ms ease;
}

.hero,
.panel {
  background: var(--panel);
  border: 1px solid var(--outline);
  border-radius: 16px;
  box-shadow: 0 18px 30px rgba(9, 20, 28, 0.16);
}

.hero {
  grid-column: 1 / -1;
  padding: 1.5rem;
}

.hero h1 {
  margin: 0.3rem 0 0.5rem;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: 0.03em;
}

.hero p {
  margin: 0;
  color: var(--ink-soft);
}

.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-strong);
}

.panel {
  padding: 1.2rem;
}

.controls {
  grid-column: span 6;
}

.overnight {
  grid-column: span 6;
}

.training {
  grid-column: span 8;
}

.status {
  grid-column: span 4;
}

.samples {
  grid-column: 1 / -1;
}

.pending {
  grid-column: 1 / -1;
}

h2 {
  margin: 0 0 0.8rem;
  font-size: 1.2rem;
}

.row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

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

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.45rem 0 0.9rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.toggle-row input {
  width: auto;
}

label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid var(--outline);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  background: #ffffff;
}

.btn {
  border: 1px solid var(--outline);
  border-radius: 10px;
  padding: 0.55rem 0.8rem;
  background: #ecf3f7;
  color: var(--ink);
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: #dfeaf1;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.btn.primary:hover {
  background: var(--accent-strong);
}

.btn.success {
  background: var(--success);
  border-color: var(--success);
  color: #ffffff;
}

.btn.success:hover {
  background: var(--success-strong);
}

.btn.danger {
  background: #c0392b;
  border-color: #c0392b;
  color: #ffffff;
}

.btn.danger:hover {
  background: var(--danger-strong);
}

.btn.ghost {
  background: transparent;
}

.output {
  margin: 0.8rem 0 0;
  padding: 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--outline);
  background: #f4f8fb;
  color: #1b384f;
  min-height: 72px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
}

.samples-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.sample-list,
.pending-list {
  display: grid;
  gap: 0.85rem;
}

.record-card {
  border: 1px solid var(--outline);
  border-radius: 12px;
  background: #ffffff;
  padding: 0.9rem;
  display: grid;
  gap: 0.8rem;
}

.record-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.record-header code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  background: #eff5f9;
  border-radius: 8px;
  padding: 0.2rem 0.45rem;
}

.meta-text {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.chip {
  border: 1px solid var(--outline);
  border-radius: 999px;
  background: #f3f8fb;
  color: #23475f;
  padding: 0.2rem 0.55rem;
  font-size: 0.78rem;
  line-height: 1.2;
}

.proposal-chip {
  font-family: "JetBrains Mono", monospace;
}

.record-media {
  display: grid;
  grid-template-columns: minmax(180px, 230px) minmax(180px, 240px);
  gap: 0.8rem;
  align-items: start;
}

.record-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.record-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.record-actions .actions {
  border: 1px solid var(--outline);
  border-radius: 10px;
  background: #fbfdff;
  padding: 0.45rem;
}

img.spectrogram {
  width: min(220px, 100%);
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--outline);
}

audio {
  width: min(230px, 100%);
}

.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.empty-state {
  margin: 0;
  border: 1px dashed var(--outline);
  border-radius: 10px;
  background: #f8fbfd;
  color: var(--ink-soft);
  padding: 0.9rem;
}

.status-error {
  color: var(--danger);
}

.status-ok {
  color: var(--accent-strong);
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .controls,
  .overnight,
  .training,
  .status {
    grid-column: 1 / -1;
  }

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

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

  .record-media {
    grid-template-columns: 1fr;
  }

  img.spectrogram,
  audio {
    width: 100%;
  }
}