/* 
 * Supplier Comparison Base Styles
 * Core variables, layouts and utilities
 */

/* CSS Variables */
:root {
    --primary-color: #D2691E;
    --primary-dark: #B8580C;
    --primary-light: #FFD4B3;
    --border-color: #e0e0e0;
    --text-primary: #333;
    --text-secondary: #666;
    --text-muted: #999;
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-light: #f8f9fa;
    --success-color: #4caf50;
    --error-color: #f44336;
    --shadow-light: 0 2px 6px rgba(0,0,0,0.08);
    --shadow-medium: 0 4px 16px rgba(0,0,0,0.12);
    --border-radius: 8px;
    --border-radius-large: 12px;
    --transition: all 0.2s ease;
}

/* Reset and Base */
.supplier-comparison-container * {
    box-sizing: border-box;
}

.supplier-comparison-container {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    max-width: 1200px;
    margin: 0 auto;
}

/* Layout System */
.sc-flex {
    display: flex;
}

.sc-flex-column {
    flex-direction: column;
}

.sc-flex-wrap {
    flex-wrap: wrap;
}

.sc-items-center {
    align-items: center;
}

.sc-items-start {
    align-items: flex-start;
}

.sc-justify-between {
    justify-content: space-between;
}

.sc-justify-center {
    justify-content: center;
}

/* Grid System */
.sc-grid {
    display: grid;
}

.sc-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.sc-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.sc-grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

/* Spacing Utilities */
.sc-gap-xs { gap: 3px; }
.sc-gap-sm { gap: 6px; }
.sc-gap-md { gap: 8px; }
.sc-gap-lg { gap: 12px; }
.sc-gap-xl { gap: 16px; }
.sc-gap-2xl { gap: 20px; }

.sc-p-xs { padding: 6px; }
.sc-p-sm { padding: 8px; }
.sc-p-md { padding: 12px; }
.sc-p-lg { padding: 16px; }
.sc-p-xl { padding: 20px; }

.sc-m-xs { margin: 6px; }
.sc-m-sm { margin: 8px; }
.sc-m-md { margin: 12px; }
.sc-m-lg { margin: 16px; }
.sc-m-xl { margin: 20px; }

.sc-mb-xs { margin-bottom: 6px; }
.sc-mb-sm { margin-bottom: 8px; }
.sc-mb-md { margin-bottom: 12px; }
.sc-mb-lg { margin-bottom: 16px; }
.sc-mb-xl { margin-bottom: 20px; }

/* Text Utilities */
.sc-text-primary { color: var(--text-primary); }
.sc-text-secondary { color: var(--text-secondary); }
.sc-text-muted { color: var(--text-muted); }
.sc-text-center { text-align: center; }
.sc-text-left { text-align: left; }

.sc-font-xs { font-size: 11px; }
.sc-font-sm { font-size: 12px; }
.sc-font-md { font-size: 13px; }
.sc-font-lg { font-size: 14px; }
.sc-font-xl { font-size: 16px; }

.sc-font-medium { font-weight: 500; }
.sc-font-semibold { font-weight: 600; }
.sc-font-bold { font-weight: 700; }

/* Background Utilities */
.sc-bg-primary { background-color: var(--bg-primary); }
.sc-bg-secondary { background-color: var(--bg-secondary); }
.sc-bg-light { background-color: var(--bg-light); }

/* Border Utilities */
.sc-border { border: 1px solid var(--border-color); }
.sc-border-t { border-top: 1px solid var(--border-color); }
.sc-border-b { border-bottom: 1px solid var(--border-color); }
.sc-border-radius { border-radius: var(--border-radius); }
.sc-border-radius-lg { border-radius: var(--border-radius-large); }
.sc-border-radius-full { border-radius: 50%; }

/* Main Layout Components */
.supplier-comparison-main {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.supplier-filter-column {
    flex: 0 0 280px;
    background-color: var(--bg-primary);
    padding: 20px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.supplier-main-content {
    flex: 1;
}

.supplier-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Button Base Styles */
.sc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    white-space: nowrap;
}

.sc-btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.sc-btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

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

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

.sc-btn-block {
    width: 100%;
}

/* Status Indicators */
.sc-status {
    font-size: 14px;
    font-weight: bold;
}

.sc-status-available {
    color: var(--success-color);
}

.sc-status-unavailable {
    color: var(--error-color);
}

/* Icon Utilities */
.sc-icon-sm {
    width: 12px;
    height: 12px;
}

.sc-icon-md {
    width: 16px;
    height: 16px;
}

.sc-icon-lg {
    width: 20px;
    height: 20px;
}

/* Visibility Utilities */
.sc-hidden {
    display: none;
}

.sc-visible {
    display: block;
}

/* Transition Utilities */
.sc-transition {
    transition: var(--transition);
}

.sc-transition-transform {
    transition: transform 0.2s ease;
}

.sc-transition-opacity {
    transition: opacity 0.3s ease;
}

/* Hover Effects */
.sc-hover-lift:hover {
    transform: translateY(-2px);
}

.sc-hover-scale:hover {
    transform: scale(1.05);
}

/* Focus States */
.sc-focus:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading States */
.sc-loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Animations */
@keyframes sc-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes sc-slideDown {
    from {
        opacity: 0;
        max-height: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        max-height: 500px;
        transform: translateY(0);
    }
}

.sc-animate-fade {
    animation: sc-fadeIn 0.3s ease;
}

.sc-animate-slide {
    animation: sc-slideDown 0.3s ease;
}