/* ==========================================================================
   G-FORM AUTOPILOT AI - SAMSUNG-INSPIRED ELEVATED DESIGN SYSTEM
   Theme: Minimalist Obsidian & Electric Cobalt
   ========================================================================== */

:root {
  --bg-canvas: #000000;
  --bg-surface: #0c0c0e;
  --bg-surface-elevated: #141418;
  --bg-surface-hover: #1a1a20;
  --bg-card: #0f0f12;
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --bg-card-border-hover: rgba(255, 255, 255, 0.16);
  --bg-input: #08080a;

  /* Samsung Signature Electric Cobalt */
  --accent-primary: #2160fd;
  --accent-primary-hover: #3d75fd;
  --accent-primary-glow: rgba(33, 96, 253, 0.22);
  
  --color-white: #ffffff;
  --color-text-main: #f5f5f7;
  --color-text-secondary: #86868b;
  --color-text-muted: #515154;

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  --radius-pill: 999px;
  --radius-card: 20px;
  --radius-sm: 10px;

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-fast: 0.15s ease;
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-canvas);
  color: var(--color-text-main);
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle, refined single top illumination */
.ambient-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(circle, rgba(33, 96, 253, 0.12), transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(100px);
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Header Navigation (Samsung Galaxy Minimalist Bar)
   ========================================================================== */

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--bg-card-border);
  padding: 16px 0;
}

.header-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-secondary);
  border: 1px solid var(--bg-card-border);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.03);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-white);
}

.brand-title span {
  color: var(--color-text-secondary);
  font-weight: 400;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--bg-card-border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--color-text-main);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.status-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding: 48px 0 24px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-primary);
  margin-bottom: 14px;
}

.hero-headline {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.12;
  color: var(--color-white);
  margin-bottom: 14px;
}

.hero-subline {
  max-width: 640px;
  margin: 0 auto;
  font-size: 0.98rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hero-headline {
    font-size: 2rem;
  }
}

/* ==========================================================================
   Main Cards (Samsung Luxury Minimalist Style)
   ========================================================================== */

.app-main {
  padding-bottom: 80px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-card);
  padding: 32px;
  margin-bottom: 24px;
  transition: border-color var(--transition-smooth);
}

.card:hover {
  border-color: var(--bg-card-border-hover);
}

.step-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.step-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.card-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin-bottom: 6px;
}

.card-header p {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
}

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

.stats-pills {
  display: flex;
  gap: 8px;
}

.badge {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-card-border);
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Step 1: Input URL Group
   ========================================================================== */

.url-input-group {
  display: flex;
  gap: 12px;
  margin: 22px 0 16px;
}

@media (max-width: 768px) {
  .url-input-group {
    flex-direction: column;
  }
}

.input-wrapper {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 18px;
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.input-wrapper input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-pill);
  padding: 14px 80px 14px 48px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.input-wrapper input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.input-wrapper .btn-subtle {
  position: absolute;
  right: 8px;
}

.info-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.info-icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  flex-shrink: 0;
  margin-top: 2px;
}

.info-content strong {
  color: var(--color-white);
}

.alert-box {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.5;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}

/* ==========================================================================
   Step 2: Persona Grid (Precision Cards)
   ========================================================================== */

.persona-section {
  border-top: 1px solid var(--bg-card-border);
  padding-top: 26px;
  margin-top: 24px;
}

.section-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-white);
  margin-bottom: 4px;
}

.section-desc {
  font-size: 0.83rem;
  color: var(--color-text-secondary);
  margin-bottom: 18px;
}

.persona-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.persona-card {
  position: relative;
  cursor: pointer;
}

.persona-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.persona-inner {
  background: var(--bg-surface);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  padding: 18px;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all var(--transition-fast);
}

.persona-card:hover .persona-inner {
  background: var(--bg-surface-elevated);
  border-color: rgba(255, 255, 255, 0.16);
}

.persona-card input[type="radio"]:checked + .persona-inner {
  background: rgba(33, 96, 253, 0.08);
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 1px var(--accent-primary), 0 4px 16px rgba(33, 96, 253, 0.12);
}

.persona-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.persona-code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.persona-card input[type="radio"]:checked + .persona-inner .persona-code {
  color: var(--color-white);
}

.persona-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-white);
}

.persona-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.persona-sub {
  font-size: 0.76rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.custom-persona-box {
  margin-top: 14px;
  padding: 18px;
  background: var(--bg-surface);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
}

.custom-persona-box label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 8px;
}

.custom-persona-box textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-main);
  font-size: 0.88rem;
  color: var(--color-white);
  resize: vertical;
}

.custom-persona-box textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* Questions Section */
.questions-section {
  border-top: 1px solid var(--bg-card-border);
  padding-top: 26px;
  margin-top: 26px;
}

.quick-batch-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.action-label {
  font-size: 0.74rem;
  color: var(--color-text-muted);
}

.questions-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.question-item-card {
  background: var(--bg-surface);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  padding: 18px;
  transition: border-color var(--transition-fast);
}

.question-item-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

.q-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

.q-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.q-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 7px;
  border-radius: 4px;
}

.q-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-white);
}

.q-required {
  color: var(--color-danger);
  font-weight: bold;
}

.q-type-badge {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
}

.q-options-preview {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.q-strategy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.strategy-select-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.strategy-select-group label {
  font-size: 0.76rem;
  color: var(--color-text-secondary);
}

.strategy-select {
  background: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  color: var(--color-white);
  font-size: 0.82rem;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  outline: none;
}

.strategy-select:focus {
  border-color: var(--accent-primary);
}

.preview-action-row {
  display: flex;
  justify-content: center;
}

/* ==========================================================================
   Step 3: Runner Controls
   ========================================================================== */

.runner-config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 24px 0 28px;
}

@media (max-width: 768px) {
  .runner-config-grid {
    grid-template-columns: 1fr;
  }
}

.config-field label {
  display: flex;
  flex-direction: column;
  margin-bottom: 8px;
}

.label-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-white);
}

.label-desc {
  font-size: 0.76rem;
  color: var(--color-text-secondary);
}

.number-input-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.number-input-wrapper input {
  width: 100px;
  background: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
  text-align: center;
}

.quick-number-btns {
  display: flex;
  gap: 6px;
}

.quick-num-btn {
  background: var(--bg-surface);
  border: 1px solid var(--bg-card-border);
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-num-btn:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--color-white);
  color: var(--color-white);
}

.delay-range-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.delay-input-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.delay-label {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.delay-input-box input {
  width: 90px;
  background: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-white);
  text-align: center;
}

.delay-separator {
  color: var(--color-text-muted);
  font-weight: bold;
}

.runner-controls-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Step 4: Monitoring Metrics
   ========================================================================== */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 22px 0 20px;
}

@media (max-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  padding: 18px;
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: 4px;
}

.metric-sub {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.metric-success .metric-value { color: var(--color-success); }
.metric-error .metric-value { color: var(--color-danger); }

/* Clean Minimalist Progress Bar */
.progress-bar-container {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-bottom: 24px;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-white);
  border-radius: var(--radius-pill);
  transition: width 0.4s ease;
}

/* Clean Terminal Console */
.terminal-wrapper {
  background: #060608;
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 24px;
}

.terminal-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.terminal-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.74rem;
  cursor: pointer;
}

.terminal-btn:hover { color: var(--color-white); }

.terminal-body {
  padding: 14px 16px;
  height: 200px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: #a1a1a6;
}

.log-line {
  margin-bottom: 4px;
  word-break: break-all;
}

.log-line.log-success { color: #34d399; }
.log-line.log-error { color: #f87171; }
.log-line.log-warn { color: #fbbf24; }
.log-line.log-ai { color: #93c5fd; }
.log-line.log-delay { color: #94a3b8; }
.log-line.log-system { color: #64748b; }

/* Table */
.history-table-wrapper {
  margin-top: 18px;
}

.table-header-row {
  margin-bottom: 12px;
}

.table-header-row h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
}

.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--bg-card-border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.82rem;
}

.data-table th {
  background: rgba(255, 255, 255, 0.02);
  padding: 12px 16px;
  color: var(--color-text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--bg-card-border);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--color-text-main);
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.empty-row td {
  text-align: center;
  color: var(--color-text-muted);
  padding: 30px;
}

/* ==========================================================================
   Buttons (Samsung High-End Style)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-pill {
  border-radius: var(--radius-pill);
}

.btn-primary {
  background: var(--color-white);
  color: #000000;
  padding: 12px 24px;
  font-size: 0.9rem;
}

.btn-primary:hover {
  background: #e5e5e7;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--bg-card-border);
  color: var(--color-white);
  padding: 10px 18px;
  font-size: 0.84rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-warning {
  background: var(--color-warning);
  color: #000000;
  padding: 12px 24px;
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-white);
  padding: 12px 24px;
}

.btn-subtle {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--bg-card-border);
  color: var(--color-text-secondary);
  padding: 6px 12px;
  font-size: 0.78rem;
  border-radius: var(--radius-pill);
}

.btn-subtle:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 0.96rem;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn-xs {
  padding: 4px 10px;
  font-size: 0.72rem;
}

.btn-icon {
  width: 16px;
  height: 16px;
}

.spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-card {
  background: #0f0f12;
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-card);
  width: 100%;
  max-width: 520px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-lg {
  max-width: 760px;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--bg-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h4 {
  font-size: 1.1rem;
  color: var(--color-white);
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close-btn:hover { color: var(--color-white); }

.modal-body {
  padding: 24px;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid var(--bg-card-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--color-white);
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.field-hint {
  display: block;
  font-size: 0.74rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.test-ping-box {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.ping-result-badge {
  font-size: 0.76rem;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.ping-success {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
}

.ping-error {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
}

.preview-persona-banner {
  background: var(--bg-surface);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 18px;
}

.banner-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.banner-desc {
  font-size: 0.86rem;
  color: var(--color-white);
}

.preview-answers-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.preview-item {
  background: var(--bg-surface);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.preview-q-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.preview-ans-text {
  font-size: 0.9rem;
  color: var(--color-white);
  background: var(--bg-input);
  padding: 10px 14px;
  border-radius: 6px;
  border-left: 2px solid var(--color-white);
}

.app-footer {
  border-top: 1px solid var(--bg-card-border);
  padding: 24px 0;
  text-align: center;
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   AI Model Config & Error Handling Section
   ========================================================================== */
.model-config-card {
  margin-bottom: 24px;
  background: linear-gradient(180deg, rgba(20, 20, 26, 0.75) 0%, rgba(12, 12, 15, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.model-config-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #2160fd, #38bdf8, #818cf8);
}

.card-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-dot-sm {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
  display: inline-block;
  flex-shrink: 0;
}

.status-dot-sm.offline {
  background: #ef4444;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.6);
}

.status-indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  display: inline-block;
  flex-shrink: 0;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 14px;
  line-height: 1.5;
}

.model-config-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.model-config-title-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.model-status-indicator {
  position: relative;
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 12px #34d399;
  transition: var(--transition-fast);
}

.status-pulse-dot.offline {
  background: #f87171;
  box-shadow: 0 0 12px #f87171;
}

.model-config-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.01em;
}

.model-config-desc {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
  max-width: 620px;
}

.model-quick-badge {
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-accent {
  background: rgba(33, 96, 253, 0.16);
  color: #60a5fa;
  border: 1px solid rgba(33, 96, 253, 0.3);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
}

.model-selector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .model-selector-grid {
    grid-template-columns: 1fr;
  }
}

.model-field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.model-field-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.label-hint {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.custom-select, .custom-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  color: var(--color-text-main);
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition-fast);
}

.custom-select:focus, .custom-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(33, 96, 253, 0.18);
}

.custom-select optgroup {
  background: var(--bg-surface-elevated);
  color: var(--color-text-secondary);
  font-weight: 700;
}

.custom-select option {
  background: var(--bg-surface);
  color: var(--color-text-main);
  font-weight: normal;
  padding: 8px 12px;
}

.custom-model-input-wrap {
  margin-top: 8px;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 20px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--bg-card-border);
  transition: .3s;
  border-radius: 20px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background-color: var(--color-text-secondary);
  transition: .3s;
  border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(18px);
  background-color: #ffffff;
}

.toggle-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
}

.model-footer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--bg-card-border);
  padding-top: 16px;
  gap: 16px;
  flex-wrap: wrap;
}

.model-diagnostics {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.model-btn-group {
  display: flex;
  gap: 10px;
}

/* Badges for AI in table and modals */
.badge-ai-model {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(33, 96, 253, 0.1);
  color: #93c5fd;
  border: 1px solid rgba(33, 96, 253, 0.22);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.74rem;
  font-family: var(--font-mono);
}

.badge-ai-fallback {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.28);
}

.badge-ai-error {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.28);
}

/* Log lines */
.log-retry {
  color: #fbbf24;
  border-left: 2px solid #fbbf24;
  padding-left: 8px;
}

.log-ai {
  color: #60a5fa;
}

.log-delay {
  color: #a78bfa;
}

.hidden { display: none !important; }
.text-danger { color: var(--color-danger); }