:root {
  --bg: #08090d;
  --panel: #12141b;
  --panel-border: #1f232e;
  --text: #e6e8ee;
  --text-dim: #8a90a0;
  --text-faint: #565c6b;
  --accent: #3b6fe0;
  --accent-bright: #4f7ff0;
  --danger: #e0553b;
  --ok: #3be08a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--panel-border);
}

.brand-mark {
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent-bright);
  margin-right: 8px;
}

.brand-name {
  color: var(--text-dim);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.topbar-status {
  font-size: 12px;
  color: var(--ok);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  padding: 24px 28px 60px;
  max-width: 1400px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.card-head h2 {
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  margin: 0;
  font-weight: 700;
}

.status-pill {
  font-size: 11px;
  color: var(--text-faint);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 3px 10px;
}

.status-pill.processing {
  color: var(--accent-bright);
  border-color: var(--accent);
}

.status-pill.done {
  color: var(--ok);
  border-color: var(--ok);
}

.visualizer {
  background: #0b0d13;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px;
}

#waveform {
  width: 100%;
  height: 64px;
  display: block;
}

.step { margin-bottom: 28px; }

.step-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.step-badge {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-head h2 {
  font-size: 13px;
  letter-spacing: 1px;
  margin: 0;
  font-weight: 700;
}

.dropzone {
  border: 1.5px dashed var(--accent);
  border-radius: 10px;
  padding: 48px 20px;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s ease;
}

.dropzone:hover, .dropzone.dragover {
  background: rgba(59, 111, 224, 0.07);
}

.dropzone-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  border-radius: 10px;
  background: #1a1d26;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-dim);
}

.dropzone-title { font-weight: 600; margin: 0 0 4px; }
.dropzone-sub { color: var(--text-dim); margin: 0 0 10px; font-size: 14px; }
.dropzone-hint { color: var(--text-faint); font-size: 12px; margin: 0; }

.pending-list, .queue-list, .history-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pending-list li, .queue-list li, .history-list li {
  background: #0e1017;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.pending-list .remove {
  color: var(--text-faint);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}

.hint-text {
  color: var(--text-faint);
  font-size: 13px;
}

.badge {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  flex-shrink: 0;
}

.badge.queued { color: var(--text-dim); }
.badge.processing { color: var(--accent-bright); border-color: var(--accent); }
.badge.done { color: var(--ok); border-color: var(--ok); }
.badge.error { color: var(--danger); border-color: var(--danger); }

.job-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.job-download {
  color: var(--accent-bright);
  text-decoration: none;
  font-size: 12px;
  flex-shrink: 0;
}

.param { margin-bottom: 20px; }

.param-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.param-value { color: var(--accent-bright); }

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

select {
  width: 100%;
  background: #0e1017;
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
}

.primary-btn {
  width: 100%;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 13px;
  cursor: pointer;
  margin-top: 4px;
}

.primary-btn:hover { background: var(--accent-bright); }
.primary-btn:disabled { background: #262b38; color: var(--text-faint); cursor: not-allowed; }

.btn-hint {
  text-align: center;
  color: var(--text-faint);
  font-size: 11px;
  margin: 10px 0 0;
}

.history-card { margin-top: 0; }

#historySearch {
  width: 100%;
  background: #0e1017;
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  margin-bottom: 14px;
}

.history-list { max-height: 420px; overflow-y: auto; }

.empty-hint {
  color: var(--text-faint);
  justify-content: center;
}