@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
  --hse-blue: #003a8c;
  --hse-blue-strong: #002a65;
  --hse-blue-soft: #2f67c7;
  --hse-ice: #edf3ff;
  --hse-cloud: #f7f9fe;
  --hse-border: #c9d7f2;
  --hse-text: #13233d;
  --hse-text-soft: #3c5274;
  --hse-text-muted: #6f83a3;
  --success: #177245;
  --warning: #996b00;
  --danger: #b62525;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-md: 0 10px 30px rgba(0, 34, 84, 0.08);
  --shadow-sm: 0 4px 16px rgba(0, 34, 84, 0.06);
  --font-main: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;
  --background: var(--hse-cloud);
  --surface: rgba(255, 255, 255, 0.94);
  --border: var(--hse-border);
  --border-color: var(--hse-border);
  --text-primary: var(--hse-text);
  --text-secondary: var(--hse-text-soft);
  --text-muted: var(--hse-text-muted);
  --text-tertiary: var(--hse-text-muted);
  --card-bg: var(--surface);
  --bg-secondary: var(--hse-ice);
  --bg-tertiary: #e6eeff;
  --primary-color: var(--hse-blue);
  --primary-hover: var(--hse-blue-strong);
  --secondary-color: #3c5274;
  --danger-color: var(--danger);
  --warning-color: var(--warning);
  --success-color: var(--success);
  --border-radius: var(--radius-sm);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  color: var(--text-primary);
  line-height: 1.55;
  font-size: 16px;
  background:
    radial-gradient(circle at 8% -8%, #dce8ff 0%, transparent 32%),
    radial-gradient(circle at 94% 2%, #e5efff 0%, transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #eff4ff 48%, #edf2fb 100%);
  min-height: 100vh;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.hidden-file-input {
  display: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 2rem;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 1.1rem;
}

.header {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 8px;
  background: linear-gradient(180deg, var(--hse-blue), var(--hse-blue-soft));
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.72rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--hse-blue);
  background: #dfeaff;
  border: 1px solid #c0d5ff;
  margin-bottom: 0.45rem;
}

.nav-links {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 0.35rem;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border: 1px solid #bfd0ef;
  border-radius: 999px;
  color: var(--hse-blue);
  font-weight: 600;
  background: var(--bg-secondary);
}

.nav-links a:hover {
  text-decoration: none;
  background: #e2ecff;
}

.title {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.subtitle {
  font-size: 1.02rem;
  color: var(--text-secondary);
}

.strapline {
  margin-top: 0.35rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.main {
  display: grid;
  gap: 1rem;
}

.profile-panel,
.instructions-panel,
.product-panel,
.knowledge-panel,
.cart-section,
.status-panel,
.voice-controls,
.audio-visualization,
.context-injection,
.analytics-panel,
.conversation-section,
.activity-section,
.debug-panel,
.profile-list-section,
.profile-editor-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.15rem;
  position: relative;
  overflow: hidden;
  animation: cardEnter 320ms ease both;
}

.profile-panel::after,
.instructions-panel::after,
.product-panel::after,
.knowledge-panel::after,
.cart-section::after,
.status-panel::after,
.voice-controls::after,
.audio-visualization::after,
.context-injection::after,
.analytics-panel::after,
.conversation-section::after,
.activity-section::after,
.debug-panel::after,
.profile-list-section::after,
.profile-editor-section::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(180deg, var(--hse-blue), var(--hse-blue-soft));
}

.section-title {
  font-size: 0.93rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--hse-blue);
  margin-bottom: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  padding: 0.66rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: transform 120ms ease, background-color 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn:not(:disabled):hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary-color);
  color: #fff;
  box-shadow: 0 6px 20px rgba(0, 58, 140, 0.24);
}

.btn-primary:not(:disabled):hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: #334864;
  color: #fff;
}

.btn-secondary:not(:disabled):hover {
  background: #2a3d57;
}

.btn-danger {
  background: var(--danger-color);
  color: #fff;
}

.btn-danger:not(:disabled):hover {
  background: #931f1f;
}

.btn-outline {
  background: #fff;
  color: var(--hse-blue);
  border-color: #b5c8eb;
}

.btn-outline:not(:disabled):hover {
  background: var(--bg-secondary);
}

input[type='text'],
textarea,
select {
  width: 100%;
  padding: 0.63rem 0.72rem;
  border: 1px solid #b7c9e8;
  border-radius: 10px;
  background: #fff;
  color: var(--text-primary);
  font: inherit;
}

textarea {
  resize: vertical;
}

input[type='text']:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--hse-blue-soft);
  box-shadow: 0 0 0 3px rgba(47, 103, 199, 0.16);
}

.profile-controls,
.instructions-content,
.context-input-area {
  display: grid;
  gap: 0.7rem;
}

.profile-select {
  font-weight: 600;
}

.active-profile {
  background: var(--bg-secondary);
  border: 1px solid #c0d3f8;
  color: var(--hse-blue);
  border-radius: 10px;
  padding: 0.52rem 0.7rem;
  font-weight: 600;
}

.adaptive-controls {
  display: grid;
  gap: 0.35rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  border: 1px solid #c5d6f3;
  background: #f4f8ff;
}

.adaptive-controls label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--hse-blue);
}

.adaptive-state {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

#profile-details {
  border: 1px solid #c5d6f3;
  border-radius: 12px;
  background: var(--bg-secondary);
  padding: 0.4rem 0.65rem;
}

#profile-details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--hse-blue);
}

.profile-form label {
  display: grid;
  gap: 0.32rem;
  margin-top: 0.55rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.profile-buttons,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.instructions-textarea,
.context-textarea {
  background: #fff;
}

.instructions-info,
.pricing-info {
  background: var(--bg-secondary);
  border-left: 4px solid var(--hse-blue-soft);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
}

.instructions-info small,
.pricing-info small {
  color: var(--text-secondary);
}

.product-controls {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) auto;
  gap: 0.65rem;
  align-items: center;
}

.search-options {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.search-option {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.product-list {
  margin-top: 0.75rem;
  list-style: none;
  display: grid;
  gap: 0.45rem;
  max-height: 220px;
  overflow-y: auto;
}

.product-list li {
  background: #f4f8ff;
  border: 1px solid #d1dff7;
  border-radius: 10px;
  padding: 0.56rem 0.72rem;
}

.knowledge-controls {
  display: grid;
  gap: 0.65rem;
}

.knowledge-actions {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 0.55rem;
  align-items: center;
}

.knowledge-table-wrap {
  margin-top: 0.7rem;
  overflow-x: auto;
}

.knowledge-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.knowledge-table th,
.knowledge-table td {
  padding: 0.5rem 0.6rem;
  text-align: left;
  border-bottom: 1px solid #d8e3f7;
  font-size: 0.9rem;
}

.knowledge-table th {
  background: var(--bg-secondary);
  color: var(--hse-blue);
  font-weight: 700;
}

.knowledge-table tr:last-child td {
  border-bottom: none;
}

.knowledge-status {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.knowledge-title-cell {
  font-weight: 600;
}

.btn-small {
  min-width: 0;
  padding: 0.36rem 0.72rem;
  font-size: 0.84rem;
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.cart-table th,
.cart-table td {
  padding: 0.55rem 0.65rem;
  text-align: left;
  border-bottom: 1px solid #d8e3f7;
  font-size: 0.93rem;
}

.cart-table th {
  background: var(--bg-secondary);
  color: var(--hse-blue);
  font-weight: 700;
}

.cart-actions {
  margin-top: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.status-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 0.8rem;
  align-items: stretch;
}

.status-panel .section-title {
  grid-column: 1 / -1;
  margin-bottom: 0.1rem;
}

.status-item {
  display: grid;
  gap: 0.33rem;
  justify-items: center;
  border: 1px solid #d3e0f5;
  border-radius: 12px;
  padding: 0.6rem 0.5rem;
  background: #f8fbff;
}

.status-label,
.level-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.status-value {
  border-radius: 999px;
  border: 1px solid #c9d7f1;
  background: #fff;
  padding: 0.23rem 0.72rem;
  font-weight: 600;
  font-size: 0.86rem;
}

.status-connected {
  background: #e4f8ee;
  border-color: #b7e9cc;
  color: var(--success);
}

.status-disconnected {
  background: #ffebeb;
  border-color: #f5c1c1;
  color: var(--danger);
}

.status-connecting {
  background: #fff5df;
  border-color: #edd29a;
  color: var(--warning);
}

.voice-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.audio-visualization {
  text-align: center;
}

#audio-canvas {
  width: 100%;
  max-width: 560px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

.audio-levels {
  margin-top: 0.8rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.level-meter {
  display: grid;
  gap: 0.36rem;
}

.level-bar {
  width: 160px;
  height: 12px;
  border-radius: 999px;
  background: #dce6f8;
  overflow: hidden;
  border: 1px solid #bfd0ec;
}

.level-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #1f8d5b 0%, #d29c2b 52%, #c13838 100%);
  transition: width 100ms ease;
}

.context-controls {
  display: grid;
  grid-template-columns: 1.9fr 1fr;
  gap: 0.8rem;
}

.context-options {
  display: grid;
  gap: 0.65rem;
}

.context-option {
  border: 1px solid #c6d8f6;
  border-radius: 10px;
  padding: 0.6rem;
  background: var(--bg-secondary);
}

.checkbox-label {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.9rem;
}

.context-checkbox {
  width: 16px;
  height: 16px;
  accent-color: var(--hse-blue);
}

.checkbox-text .option-title {
  color: var(--hse-blue);
  font-weight: 600;
}

.checkbox-text small {
  color: var(--text-secondary);
}

.analytics-charts {
  display: grid;
  gap: 0.9rem;
}

.query-stats {
  margin-top: 0.4rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.conversation-log,
.activity-log,
.debug-text {
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid #ccdaf2;
  border-radius: 10px;
  background: #fff;
  padding: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

.activity-log {
  max-height: 220px;
}

.log-entry {
  margin-bottom: 0.5rem;
  border-left: 4px solid transparent;
  border-radius: 8px;
  padding: 0.48rem 0.58rem;
}

.log-user {
  background: #ebf2ff;
  border-left-color: #698dce;
}

.log-assistant,
.log-assistant-speaking,
.log-assistant-streaming {
  background: #e8f7ef;
  border-left-color: #2c9768;
}

.log-system {
  background: #fff5dd;
  border-left-color: #b8861d;
}

.log-error {
  background: #ffe7e7;
  border-left-color: #c12f2f;
}

.log-timestamp {
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.debug-panel h3 {
  margin: 0.7rem 0 0.45rem;
  color: var(--hse-blue);
}

.debug-panel h3:first-child {
  margin-top: 0;
}

.token-stats {
  border: 1px solid #ccdaf2;
  border-radius: 10px;
  background: #fff;
  padding: 0.65rem;
}

.token-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.45rem 0;
  border-bottom: 1px dashed #d8e2f3;
}

.token-row:last-of-type {
  border-bottom: none;
}

.token-label {
  color: var(--text-secondary);
}

.token-value {
  color: var(--hse-blue);
  font-weight: 700;
}

.token-cost {
  color: var(--success);
  font-weight: 600;
}

.token-total {
  border-top: 2px solid #bfd3f5;
  background: #f3f7ff;
  border-radius: 8px;
  margin-top: 0.4rem;
  padding: 0.55rem;
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.95fr) minmax(300px, 1.2fr);
  gap: 1rem;
}

.profile-list {
  list-style: none;
  display: grid;
  gap: 0.44rem;
  max-height: 430px;
  overflow-y: auto;
}

.profile-item {
  border: 1px solid #c5d7f6;
  border-radius: 10px;
  padding: 0.55rem 0.72rem;
  background: #f6f9ff;
  cursor: pointer;
}

.profile-item:hover {
  background: #eaf1ff;
}

.profile-item small {
  display: block;
  margin-top: 0.2rem;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.footer {
  border-top: 1px solid #c7d7f4;
  padding-top: 0.9rem;
  text-align: center;
  color: var(--text-muted);
}

.footer-links {
  margin-top: 0.35rem;
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-weight: 600;
}

.tip-label,
.note-label,
.pricing-heading {
  color: var(--hse-blue);
  font-weight: 600;
}

.debug-summary:focus-visible,
.btn:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--hse-blue-soft);
  outline-offset: 2px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.62; }
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

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

.log-assistant-speaking {
  animation: pulse 2s infinite;
}

.log-assistant-streaming::after {
  content: '●';
  color: #2c9768;
  margin-left: 0.3rem;
  animation: blink 1s infinite;
}

@media (max-width: 980px) {
  .product-controls {
    grid-template-columns: 1fr;
  }

  .knowledge-actions {
    grid-template-columns: 1fr;
  }

  .status-panel {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .context-controls {
    grid-template-columns: 1fr;
  }

  .profile-layout {
    grid-template-columns: 1fr;
  }

  .cart-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .container {
    padding: 0.9rem 0.75rem 1.4rem;
  }

  .header {
    padding: 1.05rem;
  }

  .title {
    font-size: 1.58rem;
  }

  .subtitle,
  .strapline {
    font-size: 0.9rem;
  }

  .main {
    gap: 0.72rem;
  }

  .profile-panel,
  .instructions-panel,
  .product-panel,
  .knowledge-panel,
  .cart-section,
  .status-panel,
  .voice-controls,
  .audio-visualization,
  .context-injection,
  .analytics-panel,
  .conversation-section,
  .activity-section,
  .debug-panel {
    padding: 0.88rem;
  }

  .status-panel {
    grid-template-columns: 1fr;
  }

  .voice-buttons,
  .profile-buttons,
  .form-actions {
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .token-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}