:root {
  --bg-gradient: #e5e7eb;
  --card-bg: rgba(255, 255, 255, 0.85);
  --accent: #4c7dff;
  --accent-strong: #2f65f5;
  --text-primary: #15213b;
  --text-muted: #647097;
  --surface-border: rgba(150, 170, 220, 0.3);
  --shadow: 0 20px 36px rgba(8, 16, 40, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Helvetica Neue", system-ui, -apple-system, sans-serif;
  background: var(--bg-gradient);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: stretch;
}

.app-shell {
  width: 100%;
  max-width: none;
  min-height: 100vh;
  margin: 0;
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  box-sizing: border-box;
}

.app-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.app-header h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 0;
  letter-spacing: 0.02em;
}

.app-header .subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 1rem;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.scenario-picker {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 200px;
}

.scenario-picker select {
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
}

.scenario-picker input {
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  color: var(--text-primary);
}

.scenario-picker select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.control-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.controls button {
  min-width: 120px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.controls button:disabled {
  cursor: not-allowed;
  filter: saturate(0.55) brightness(0.85);
  box-shadow: none;
}

.controls button:not(:disabled):hover {
  transform: translateY(-2px);
}

#start {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #061222;
  box-shadow: 0 16px 24px rgba(57, 123, 255, 0.25);
}

#start:not(:disabled):hover {
  box-shadow: 0 20px 32px rgba(57, 123, 255, 0.32);
}

#stop {
  background: linear-gradient(135deg, #ff9d7b 0%, #ff4255 100%);
  color: #361414;
  box-shadow: 0 16px 28px rgba(255, 78, 101, 0.28);
}

#stop:not(:disabled):hover {
  box-shadow: 0 22px 40px rgba(255, 78, 101, 0.32);
}

#stop:disabled {
  filter: saturate(0.55) brightness(0.85);
  box-shadow: none;
}

.card {
  background: var(--card-bg);
  border-radius: 24px;
  padding: 28px 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--surface-border);
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stage {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: flex-start;
}

.avatar-card {
  align-items: center;
}

.convo-card {
  gap: 12px;
  min-height: 320px;
  max-height: 480px;
  display: flex;
  flex-direction: column;
}

.panel-title {
  margin: 0;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

#mouth-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

#mouth-image {
  width: 100%;
  max-width: 280px;
  height: auto;
  border: none;
  box-shadow: none;
  background: transparent;
}

.mouth-state {
  font-size: 1rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

#convo {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: "Segoe UI", "Helvetica Neue", system-ui, -apple-system, sans-serif;
  color: #1f2937;
  flex: 1 1 auto;
  overflow-y: auto;
  padding-right: 4px;
}

.convo-line {
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(150, 170, 220, 0.3);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.04);
}

.convo-line .role {
  font-weight: 700;
  margin-right: 6px;
  color: #111827;
}

@media (max-width: 720px) {
  .app-shell {
    padding: 24px 16px;
    margin: 0;
    gap: 20px;
  }

  .card {
    padding: 20px 16px;
  }

  .controls button {
    flex: 1 1 160px;
  }

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

/* Logs page */
.logs-body {
  background: var(--bg-gradient);
}

.logs-shell {
  max-width: 960px;
  margin: 0 auto;
}

.logs-card {
  gap: 16px;
}

.logs-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.logs-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 180px;
}

.input-group input,
.input-group select,
.input-group textarea {
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.95);
  font-weight: 600;
  color: var(--text-primary);
}

.input-group textarea {
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-weight: 500;
  line-height: 1.35;
}

.log-card {
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.85);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.log-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.log-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.log-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.log-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill-link, .pill-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.pill-link:hover, .pill-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.08);
}

.pill-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.status-banner {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
}

.status-banner[data-tone="success"] {
  border-color: #8cd68c;
  background: #f0fff0;
}
.status-banner[data-tone="warn"] {
  border-color: #f6c25c;
  background: #fff7e5;
}
.status-banner[data-tone="error"] {
  border-color: #f58989;
  background: #fff2f2;
}

/* Wave page */
.wave-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.wave-card {
  gap: 16px;
}

#wave-video {
  width: 100%;
  border-radius: 18px;
  background: #0f172a;
  border: 1px solid var(--surface-border);
  min-height: 220px;
}

.wave-last {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.wave-log {
  margin: 0;
  padding: 12px;
  border-radius: 12px;
  background: #0f172a;
  color: #e2e8f0;
  min-height: 180px;
  max-height: 320px;
  overflow-y: auto;
  font-size: 0.95rem;
  line-height: 1.4;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.helper-card {
  gap: 12px;
}

.helper-text {
  margin: 0;
  color: var(--text-muted);
}

.helper-pre {
  background: #0f172a;
  color: #e5e7eb;
  padding: 12px;
  border-radius: 12px;
  overflow-x: auto;
  font-size: 0.9rem;
}

.transcript-body {
  background: rgba(0, 0, 0, 0.04);
  padding: 12px;
  border-radius: 12px;
  max-height: 240px;
  overflow: auto;
  margin: 0;
}

.classify-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 980px) {
  .classify-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.classify-output {
  max-height: 520px;
}

.heuristics-body {
  max-height: 75vh;
  white-space: pre-wrap;
  line-height: 1.35;
}

.report-card {
  border-top: 1px solid var(--surface-border);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.report-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.report-placeholder {
  color: var(--text-muted);
  font-weight: 600;
}

.report-section-title {
  font-weight: 800;
  letter-spacing: 0.01em;
}

.report-block {
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.7);
}

.report-block pre {
  margin: 0;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9rem;
  line-height: 1.35;
}

.transcript-table {
  display: grid;
  gap: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 1.02rem;
  line-height: 1.45;
}

.transcript-row {
  display: grid;
  grid-template-columns: 70px 1fr 280px;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.65);
}

.transcript-speaker {
  font-weight: 900;
}

.transcript-text {
  font-weight: 600;
  color: rgba(21, 33, 59, 0.95);
}

.transcript-anno {
  text-align: right;
  color: #7f1d1d;
  font-weight: 900;
}

.transcript-bot .transcript-speaker {
  color: #14532d;
}

.transcript-user .transcript-speaker {
  color: #1e3a8a;
}

@media (max-width: 900px) {
  .transcript-row {
    grid-template-columns: 70px 1fr;
    grid-template-areas:
      "speaker text"
      "anno anno";
  }
  .transcript-speaker {
    grid-area: speaker;
  }
  .transcript-text {
    grid-area: text;
  }
  .transcript-anno {
    grid-area: anno;
    text-align: left;
  }
}

.report-kv {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.report-pill {
  display: inline-flex;
  gap: 8px;
  align-items: baseline;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.85);
  font-weight: 700;
}

.report-pill code {
  font-weight: 800;
}

.stage-chart {
  width: 100%;
  height: auto;
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.65);
}

.report-footnote {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

/* Status page */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.status-kv {
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.75);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.status-label {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.9rem;
}

.status-value {
  font-weight: 700;
  font-size: 1.1rem;
}


.emotion-card {
  gap: 14px;
}

.emotion-box {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.emotion-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(150, 170, 220, 0.3);
  font-weight: 700;
}

.emotion-label {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

.emotion-value {
  font-size: 1.05rem;
  color: #111827;
}