/**
 * Indilites Calculator — Frontend Styles
 * Scoped to .indilites-calc to prevent theme conflicts.
 */

:root {
  --il-primary: #1a73e8;
  --il-primary-hover: #1557b0;
  --il-accent: #f57c00;
  --il-text: #333;
  --il-text-light: #666;
  --il-bg: #fff;
  --il-border: #e0e0e0;
  --il-bg-alt: #f8f9fa;
  --il-error: #d32f2f;
  --il-success: #2e7d32;
  --il-radius: 8px;
  --il-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

/* Dark Theme Overrides */
.indilites-calc--dark {
  --il-text: #f0f0f0;
  --il-text-light: #aaa;
  --il-bg: #1e1e1e;
  --il-border: #333;
  --il-bg-alt: #2a2a2a;
  --il-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.indilites-calc {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--il-text);
  background: var(--il-bg);
  border: 1px solid var(--il-border);
  border-radius: var(--il-radius);
  box-shadow: var(--il-shadow);
  max-width: 600px;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
  line-height: 1.5;
}

.indilites-calc * {
  box-sizing: border-box;
}

/* ── Progress Bar ── */
.indilites-calc__progress {
  height: 4px;
  background: var(--il-bg-alt);
  width: 100%;
}

.indilites-calc__progress-bar {
  height: 100%;
  background: var(--il-primary);
  transition: width 0.3s ease;
}

/* ── Header ── */
.indilites-calc__header {
  padding: 24px 24px 16px;
  border-bottom: 1px solid var(--il-border);
  text-align: center;
}

.indilites-calc__header h2 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 600;
  color: var(--il-text);
}

.indilites-calc__header p {
  margin: 0;
  font-size: 14px;
  color: var(--il-text-light);
}

/* ── Body ── */
.indilites-calc__body {
  padding: 24px;
}

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

.il-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--il-text);
}

.il-form-group input,
.il-form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--il-border);
  border-radius: 4px;
  font-size: 14px;
  background: var(--il-bg);
  color: var(--il-text);
  transition: border-color 0.2s;
}

.il-form-group input:focus,
.il-form-group select:focus {
  outline: none;
  border-color: var(--il-primary);
  box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

.il-form-row {
  display: flex;
  gap: 12px;
}

.il-form-row .il-form-group {
  flex: 1;
}

.il-help-text {
  display: block;
  font-size: 12px;
  color: var(--il-text-light);
  margin-top: 4px;
}

/* ── Buttons ── */
.il-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.il-btn--primary {
  background: var(--il-primary);
  color: #fff;
}

.il-btn--primary:hover {
  background: var(--il-primary-hover);
  color: #fff;
}

.il-btn--primary:disabled {
  background: var(--il-border);
  color: var(--il-text-light);
  cursor: not-allowed;
}

.il-btn--secondary {
  background: var(--il-bg-alt);
  color: var(--il-text);
  border: 1px solid var(--il-border);
}

.il-btn--secondary:hover {
  background: var(--il-border);
}

.il-form-actions {
  margin-top: 24px;
  text-align: right;
}

.il-form-actions--split {
  display: flex;
  justify-content: space-between;
}

/* ── Advanced Toggle ── */
.il-advanced-toggle {
  text-align: right;
  margin-bottom: 12px;
}

.il-advanced-toggle button {
  background: none;
  border: none;
  color: var(--il-primary);
  font-size: 12px;
  cursor: pointer;
  padding: 0;
}

.il-advanced-panel {
  background: var(--il-bg-alt);
  padding: 16px;
  border-radius: 4px;
  margin-bottom: 16px;
}

/* ── Results Summary ── */
.il-results-summary {
  display: flex;
  background: var(--il-bg-alt);
  border-radius: var(--il-radius);
  padding: 16px;
  margin-bottom: 24px;
  border: 1px solid var(--il-border);
}

.il-result-item {
  flex: 1;
  text-align: center;
  border-right: 1px solid var(--il-border);
}

.il-result-item:last-child {
  border-right: none;
}

.il-result-label {
  display: block;
  font-size: 12px;
  color: var(--il-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.il-result-value {
  display: block;
  font-size: 18px;
  color: var(--il-primary);
  margin-top: 4px;
}

.il-result-value strong {
  font-weight: 700;
}

/* ── Product List ── */
.il-section-title {
  font-size: 15px;
  margin: 0 0 8px;
  font-weight: 600;
}

.il-product-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.il-product-card {
  display: flex;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--il-border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.il-product-card:hover {
  border-color: var(--il-primary);
}

.il-product-card.selected {
  border-color: var(--il-primary);
  background: rgba(26, 115, 232, 0.04);
}

.il-product-checkbox {
  margin-right: 12px;
}

.il-product-info {
  flex: 1;
}

.il-product-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.il-product-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--il-text-light);
}

.il-product-qty {
  text-align: right;
  min-width: 80px;
}

.il-product-qty-val {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--il-text);
}

.il-product-price {
  display: block;
  font-size: 12px;
  color: var(--il-text-light);
}

/* ── Totals Bar ── */
.il-totals-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-top: 1px solid var(--il-border);
  border-bottom: 1px solid var(--il-border);
  margin-bottom: 20px;
  font-size: 15px;
}

.il-totals-right strong {
  font-size: 18px;
  color: var(--il-primary);
}

/* ── Alerts ── */
.il-alert {
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 13px;
  margin-top: 16px;
}

.il-alert--error {
  background: #fdeaea;
  color: var(--il-error);
  border: 1px solid #f9caca;
}

/* ── Success State ── */
.il-success-state {
  text-align: center;
  padding: 20px 0;
}

.il-success-icon {
  color: var(--il-success);
  margin-bottom: 16px;
}

.il-success-state h3 {
  font-size: 22px;
  margin: 0 0 8px;
}

.il-success-state p {
  color: var(--il-text-light);
  margin: 0 0 24px;
}

.il-success-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}