/**
 * Shared Design System — Redpoint Atlas
 * Single source of truth for design tokens and base components.
 * Every page loads this file before its own stylesheet.
 */

/* ============================================
   Design Tokens
   ============================================ */
:root {
  --color-primary: #C41230;
  --color-primary-hover: #a30f28;
  --color-primary-light: #fde8eb;
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-error-light: #fee2e2;
  --color-danger: #dc2626;

  --color-text-primary: #111827;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;

  --color-bg: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;

  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, Consolas, monospace;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Base
   ============================================ */
body {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
}

/* ============================================
   Modal
   ============================================ */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
}

.modal-content {
  position: relative;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  animation: modal-appear 0.2s ease;
}

@keyframes modal-appear {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 16px 0;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

.modal-field {
  margin-bottom: 14px;
}

.modal-field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: #374151;
  margin-bottom: 4px;
}

.modal-field input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-text-primary);
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.modal-field input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(196, 18, 48, 0.1);
}

.modal-field .field-hint {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.modal-error {
  color: var(--color-danger);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
  display: none;
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  background: var(--color-primary);
  color: white;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  background: var(--color-bg);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* ============================================
   Column Picker (shared by screener, monitors, etc.)
   ============================================ */
.columns-content {
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
}

.columns-content #columns-search {
  margin-bottom: 12px;
}

.columns-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 20px;
  max-height: 400px;
  overflow-y: auto;
  padding: 4px;
}

.column-checkbox.filter-hidden {
  display: none;
}

.column-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s ease;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.column-checkbox:hover {
  background: var(--color-bg-tertiary);
}

.column-checkbox input {
  cursor: pointer;
}

.column-checkbox.checked {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.column-checkbox.auto-col {
  font-style: italic;
  color: var(--color-text-muted);
}

.columns-divider {
  grid-column: 1 / -1;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 12px 0 6px;
  margin-top: 8px;
  border-top: 1px solid var(--color-border-light);
}

/* ============================================
   Find in Grid Overlay (Ctrl+F)
   ============================================ */
.atlas-find-overlay {
  position: absolute;
  top: 8px;
  right: 16px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--color-bg, #fff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 6px;
  padding: 6px 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  font-size: 13px;
}
.atlas-find-main-row,
.atlas-find-replace-row {
  display: flex;
  align-items: center;
  gap: 4px;
}
.atlas-find-replace-input {
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 13px;
  width: 200px;
  outline: none;
}
.atlas-find-replace-input:focus {
  border-color: var(--color-primary, #C41230);
}
.atlas-find-case-btn.active {
  background: var(--color-primary, #C41230);
  color: #fff;
  border-color: var(--color-primary, #C41230);
}
.atlas-find-input {
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 13px;
  width: 200px;
  outline: none;
}
.atlas-find-input:focus {
  border-color: var(--color-primary, #C41230);
}
.atlas-find-count {
  color: var(--color-text-muted, #6b7280);
  font-size: 12px;
  min-width: 60px;
  text-align: center;
}
.atlas-find-btn {
  background: none;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 4px;
  cursor: pointer;
  padding: 2px 6px;
  font-size: 12px;
  color: var(--color-text, #111827);
  line-height: 1;
}
.atlas-find-btn:hover {
  background: var(--color-bg-hover, #f3f4f6);
}
.atlas-find-close {
  font-size: 16px;
  font-weight: bold;
  padding: 0 4px;
}