/* ═══════════════════════════════════════════════
   Gateway Test Console — Styles
   ═══════════════════════════════════════════════ */

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a1f35;
  --bg-card-hover: #1f2642;
  --bg-input: #0d1220;
  --bg-code: #0b0f1c;
  --border: #1e293b;
  --border-focus: #6366f1;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-soft: rgba(99, 102, 241, 0.15);
  --accent-glow: rgba(99, 102, 241, 0.3);
  --green: #22c55e;
  --green-soft: rgba(34, 197, 94, 0.15);
  --orange: #f59e0b;
  --orange-soft: rgba(245, 158, 11, 0.15);
  --red: #ef4444;
  --red-soft: rgba(239, 68, 68, 0.15);
  --cyan: #22d3ee;
  --cyan-soft: rgba(34, 211, 238, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

.app {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

/* ─── Header ─── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent), #818cf8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.header h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.header-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 14px;
  background: var(--bg-card);
  border-radius: 20px;
  border: 1px solid var(--border);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s;
}

.status-dot.online { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status-dot.offline { background: var(--red); box-shadow: 0 0 8px var(--red); }

/* ─── Tabs ─── */
.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  background: var(--bg-secondary);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.tab:hover { color: var(--text-primary); background: var(--bg-card); }
.tab.active {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 2px 12px var(--accent-glow);
}

.tab-icon { font-size: 16px; }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Panel / Card ─── */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  font-size: 15px;
  font-weight: 600;
}

.panel-body {
  padding: 20px;
}

.result-panel {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
  animation: fadeSlideIn 0.3s ease;
}

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

/* ─── Badge ─── */
.badge-role {
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

/* ─── Form ─── */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

textarea, select {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  resize: vertical;
  transition: border-color 0.2s;
  outline: none;
}

textarea:focus, select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* ─── Toggle ─── */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.toggle-label input { display: none; }

.toggle-switch {
  width: 38px;
  height: 22px;
  background: var(--border);
  border-radius: 11px;
  position: relative;
  transition: background 0.2s;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle-label input:checked + .toggle-switch {
  background: var(--accent);
}

.toggle-label input:checked + .toggle-switch::after {
  transform: translateX(16px);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #818cf8);
  color: #fff;
  box-shadow: 0 2px 12px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:active { transform: translateY(0); }

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-icon { font-size: 12px; }

/* ─── Tools Preview ─── */
.tools-preview {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tool-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.tool-chip-icon { font-size: 15px; }

/* ─── Upload Areas ─── */
.image-upload-area, .audio-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.image-upload-area:hover, .audio-upload-area:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.upload-placeholder { color: var(--text-muted); }
.upload-icon { font-size: 36px; display: block; margin-bottom: 8px; }
.upload-hint { font-size: 12px; margin-top: 4px; }

.image-preview {
  max-width: 100%;
  max-height: 300px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.audio-file-info {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.audio-file-icon { font-size: 32px; }
.audio-file-name { font-weight: 600; font-size: 14px; }
.audio-file-size { font-size: 12px; color: var(--text-muted); }

/* ─── Result Output ─── */
.result-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.result-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 16px 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.result-section-title:first-child { margin-top: 0; }

.output-text {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-primary);
  max-height: 500px;
  overflow-y: auto;
}

/* ─── Tool Calls ─── */
.tool-calls-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tool-call-card {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  border-left: 3px solid var(--cyan);
}

.tool-call-name {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  margin-bottom: 6px;
}

.tool-call-args {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-input);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ─── Usage Grid ─── */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.usage-item {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}

.usage-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.usage-value {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
}

/* ─── Segments ─── */
.segments-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.segment-row {
  display: flex;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-code);
  border-radius: var(--radius-sm);
  font-size: 13px;
  border: 1px solid var(--border);
}

.segment-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  white-space: nowrap;
  min-width: 100px;
}

.segment-text {
  color: var(--text-primary);
}

/* ─── Loading Spinner ─── */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Responsive ─── */
@media (max-width: 600px) {
  .app { padding: 16px 12px 40px; }
  .header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .usage-grid { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; align-items: stretch; }
  .tab span:not(.tab-icon) { display: none; }
  .tab { padding: 10px 12px; }
}