/* ==========================================================================
   VaultFlow AI — Component Styling
   Cards, Buttons, Tables, Risk Gauges, Dropzone, Modals & Indicators
   ========================================================================== */

/* Glassmorphism Cards */
.card-glass {
  background: var(--bg-card);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-glass-glow {
  background: var(--grad-card);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-md);
}

.card-glass-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
  opacity: 0.8;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

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

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.card-subtitle {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 2px;
}

/* Stat Cards */
.stat-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.stat-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-icon-wrapper {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--accent-cyan);
}

.stat-icon-wrapper.emerald {
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
}

.stat-icon-wrapper.amber {
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
}

.stat-icon-wrapper.violet {
  color: var(--accent-violet);
  background: rgba(142, 45, 226, 0.1);
  border-color: rgba(142, 45, 226, 0.2);
}

.stat-value {
  font-size: 1.9rem;
  font-weight: 800;
  font-family: var(--font-sans);
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.1;
}

.stat-value.mono {
  font-family: var(--font-mono);
}

.stat-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
}

.stat-trend.up {
  color: #34d399;
  background: rgba(16, 185, 129, 0.12);
}

.stat-trend.down {
  color: #f87171;
  background: rgba(244, 63, 94, 0.12);
}

.stat-trend.neutral {
  color: #94a3b8;
  background: rgba(148, 163, 184, 0.12);
}

/* Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-primary);
  color: #07090e;
  box-shadow: 0 4px 14px rgba(79, 172, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 172, 254, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-ai-glow {
  background: var(--grad-purple);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(142, 45, 226, 0.35);
}

.btn-ai-glow:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(142, 45, 226, 0.5);
}

.btn-outline-danger {
  background: transparent;
  color: var(--accent-rose);
  border: 1px solid var(--border-danger);
}

.btn-outline-danger:hover {
  background: rgba(244, 63, 94, 0.1);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* AI Engine Indicator Badges */
.engine-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  font-family: var(--font-mono);
}

.engine-badge.gemma {
  background: rgba(79, 172, 254, 0.12);
  border: 1px solid rgba(79, 172, 254, 0.3);
  color: var(--accent-cyan);
}

.engine-badge.tabpfn {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--accent-amber);
}

.engine-badge.elevenlabs {
  background: rgba(142, 45, 226, 0.12);
  border: 1px solid rgba(142, 45, 226, 0.3);
  color: #c084fc;
}

.engine-badge.local {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

/* Modern Data Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-dim);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
}

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

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

/* Status Chips */
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
}

.status-chip.paid {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.status-chip.pending {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.status-chip.high-risk {
  background: rgba(244, 63, 94, 0.12);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.25);
}

.status-chip.deductible {
  background: rgba(79, 172, 254, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(79, 172, 254, 0.25);
}

/* Drag & Drop File Area */
.dropzone-container {
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  background: rgba(255, 255, 255, 0.015);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.dropzone-container:hover, .dropzone-container.dragover {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.03);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.1);
}

.dropzone-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(79, 172, 254, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  color: var(--accent-cyan);
}

.dropzone-text h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.dropzone-text p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Risk Meter Bar */
.risk-meter-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.risk-meter-track {
  flex-grow: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}

.risk-meter-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.risk-meter-fill.low {
  background: var(--grad-success);
}

.risk-meter-fill.med {
  background: var(--grad-warning);
}

.risk-meter-fill.high {
  background: var(--grad-danger);
}

.risk-score-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  min-width: 44px;
  text-align: right;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(4, 6, 10, 0.8);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  max-width: 620px;
  width: 100%;
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition-fast);
}

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