/* ==========================================================================
   QUANTUM LAB / CORE SCIENTIFIC & ALGORITHMIC WORKBENCH
   Component Design System: Cards, Inputs, Tables, Badges, Modals, Toasts
   File: css/components.css
   ========================================================================== */

/* Grid Layouts */
.grid-1 { display: grid; grid-template-columns: 1fr; gap: var(--space-base); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-base); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-base); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-base); }
.grid-split-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-base); }
.grid-split-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: var(--space-base); }
.grid-split-3-1 { display: grid; grid-template-columns: 3fr 1fr; gap: var(--space-base); }

@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-split-2-1, .grid-split-3-1, .grid-split-1-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Card Panel Container */
.card-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-base);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: border-color var(--transition-fast);
}

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

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

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.card-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.card-footer {
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* Metric KPI Blocks */
.kpi-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kpi-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.kpi-value {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.kpi-subtext {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 6px 12px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn-icon {
  width: 14px;
  height: 14px;
}

.btn-primary {
  background: #0284c7;
  color: #ffffff;
  border-color: #0369a1;
}
.btn-primary:hover {
  background: #0369a1;
  border-color: #075985;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border-color: var(--border-medium);
}
.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--text-muted);
}

.btn-success {
  background: #059669;
  color: #ffffff;
  border-color: #047857;
}
.btn-success:hover {
  background: #047857;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.25);
}

.btn-danger {
  background: var(--accent-rose);
  color: #ffffff;
  border-color: var(--accent-rose);
}
.btn-danger:hover {
  background: #fb7185;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--bg-surface-hover);
  color: var(--text-main);
}

.btn-sm {
  padding: 4px 8px;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 8px 16px;
  font-size: 0.95rem;
}

/* Form Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

.form-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.input-text, .input-select, .input-textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-text:focus, .input-select:focus, .input-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--accent-cyan-glow);
}

.input-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.4;
}

/* Range Sliders */
.slider-group {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.input-range {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border-medium);
  outline: none;
}

.input-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.input-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-val {
  min-width: 48px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: right;
  color: var(--accent-cyan);
}

/* Tabs & Switchers */
.tab-bar {
  display: flex;
  gap: var(--space-2xs);
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.tab-btn {
  padding: 8px 14px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

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

.tab-btn.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

/* Tables */
.data-table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  text-align: left;
}

.data-table th {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.data-table tr:hover td {
  background: var(--bg-surface-hover);
  color: var(--text-main);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-cyan { background: var(--accent-cyan-glow); color: var(--accent-cyan); border: 1px solid var(--accent-cyan-dim); }
.badge-emerald { background: var(--accent-emerald-glow); color: var(--accent-emerald); border: 1px solid var(--accent-emerald-dim); }
.badge-amber { background: var(--accent-amber-glow); color: var(--accent-amber); border: 1px solid var(--accent-amber-dim); }
.badge-rose { background: var(--accent-rose-glow); color: var(--accent-rose); border: 1px solid var(--accent-rose-dim); }
.badge-purple { background: var(--accent-purple-glow); color: var(--accent-purple); border: 1px solid var(--accent-purple-dim); }

/* Progress Bar */
.progress-bar-container {
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: var(--radius-xs);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent-cyan);
  transition: width 0.3s ease;
}

/* Toast Notification Manager */
#toast-container {
  position: fixed;
  bottom: calc(var(--statusbar-height) + 16px);
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 260px;
  max-width: 400px;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-elevated);
  font-size: 0.8rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastSlideIn 0.25s ease-out forwards;
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast.toast-success { border-left: 4px solid var(--accent-emerald); }
.toast.toast-error { border-left: 4px solid var(--accent-rose); }
.toast.toast-info { border-left: 4px solid var(--accent-cyan); }
.toast.toast-warning { border-left: 4px solid var(--accent-amber); }