/**
 * Snap BAH Calculator Styles
 * Version: 2.0.0
 */

.snap-bah-calculator {
    --bah-primary: #1e3a5f;
    --bah-primary-light: #2d5a87;
    --bah-primary-dark: #0f1f33;
    --bah-accent: #c9a227;
    --bah-accent-light: #d4b44a;
    --bah-success: #059669;
    --bah-white: #ffffff;
    --bah-gray-50: #f9fafb;
    --bah-gray-100: #f3f4f6;
    --bah-gray-200: #e5e7eb;
    --bah-gray-300: #d1d5db;
    --bah-gray-400: #9ca3af;
    --bah-gray-500: #6b7280;
    --bah-gray-600: #4b5563;
    --bah-gray-700: #374151;
    --bah-gray-800: #1f2937;
    --bah-radius: 8px;
    --bah-radius-lg: 12px;
    --bah-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --bah-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    max-width: 600px;
    margin: 2rem auto;
    background: var(--bah-white);
    border-radius: var(--bah-radius-lg);
    box-shadow: var(--bah-shadow-lg);
    overflow: hidden;
}

/* Header */
.snap-bah-calculator .bah-header {
    background: linear-gradient(135deg, var(--bah-primary) 0%, var(--bah-primary-dark) 100%);
    color: var(--bah-white);
    padding: 1.5rem 2rem;
    text-align: center;
}

.snap-bah-calculator .bah-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.snap-bah-calculator .bah-icon {
    width: 28px;
    height: 28px;
}

.snap-bah-calculator .bah-subtitle {
    margin: 0;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Form */
.snap-bah-calculator .bah-form {
    padding: 1.5rem 2rem 2rem;
}

.snap-bah-calculator .bah-field {
    margin-bottom: 1.5rem;
}

.snap-bah-calculator .bah-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bah-gray-700);
    margin-bottom: 0.5rem;
}

/* Toggle Group */
.snap-bah-calculator .bah-toggle-group {
    display: flex;
    background: var(--bah-gray-100);
    border-radius: var(--bah-radius);
    padding: 4px;
    gap: 4px;
}

.snap-bah-calculator .bah-toggle {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--bah-gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}

.snap-bah-calculator .bah-toggle:hover {
    color: var(--bah-gray-800);
}

.snap-bah-calculator .bah-toggle.active {
    background: var(--bah-white);
    color: var(--bah-primary);
    box-shadow: var(--bah-shadow);
}

/* Search Input */
.snap-bah-calculator .bah-search-wrapper {
    position: relative;
}

.snap-bah-calculator .bah-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2.75rem;
    border: 2px solid var(--bah-gray-200);
    border-radius: var(--bah-radius);
    font-size: 1rem;
    color: var(--bah-gray-800);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.snap-bah-calculator .bah-input:focus {
    outline: none;
    border-color: var(--bah-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.15);
}

.snap-bah-calculator .bah-input::placeholder {
    color: var(--bah-gray-400);
}

.snap-bah-calculator .bah-search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--bah-gray-400);
    pointer-events: none;
}

/* Dropdown */
.snap-bah-calculator .bah-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bah-white);
    border: 1px solid var(--bah-gray-200);
    border-radius: var(--bah-radius);
    box-shadow: var(--bah-shadow-lg);
    max-height: 250px;
    overflow-y: auto;
    z-index: 100;
    display: none;
    margin-top: 4px;
}

.snap-bah-calculator .bah-dropdown.active {
    display: block;
}

.snap-bah-calculator .bah-dropdown-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--bah-gray-100);
    transition: background-color 0.15s ease;
}

.snap-bah-calculator .bah-dropdown-item:last-child {
    border-bottom: none;
}

.snap-bah-calculator .bah-dropdown-item:hover,
.snap-bah-calculator .bah-dropdown-item.highlighted {
    background: var(--bah-gray-50);
}

.snap-bah-calculator .bah-dropdown-item .bah-location-name {
    font-weight: 500;
    color: var(--bah-gray-800);
}

.snap-bah-calculator .bah-dropdown-item .bah-location-code {
    font-size: 0.75rem;
    color: var(--bah-gray-500);
    margin-left: 0.5rem;
}

.snap-bah-calculator .bah-dropdown-empty {
    padding: 1rem;
    text-align: center;
    color: var(--bah-gray-500);
    font-size: 0.875rem;
}

/* Grade Tabs */
.snap-bah-calculator .bah-grade-tabs {
    display: flex;
    border-bottom: 2px solid var(--bah-gray-200);
    margin-bottom: 1rem;
}

.snap-bah-calculator .bah-grade-tab {
    flex: 1;
    padding: 0.75rem 0.5rem;
    border: none;
    background: transparent;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--bah-gray-500);
    cursor: pointer;
    position: relative;
    transition: color 0.2s ease;
}

.snap-bah-calculator .bah-grade-tab:hover {
    color: var(--bah-gray-700);
}

.snap-bah-calculator .bah-grade-tab.active {
    color: var(--bah-primary);
}

.snap-bah-calculator .bah-grade-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--bah-primary);
}

/* Grade Panels */
.snap-bah-calculator .bah-grade-panel {
    display: none;
}

.snap-bah-calculator .bah-grade-panel.active {
    display: block;
}

.snap-bah-calculator .bah-grade-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
}

@media (max-width: 480px) {
    .snap-bah-calculator .bah-grade-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.snap-bah-calculator .bah-grade-btn {
    padding: 0.75rem 0.5rem;
    border: 2px solid var(--bah-gray-200);
    background: var(--bah-white);
    border-radius: var(--bah-radius);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bah-gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}

.snap-bah-calculator .bah-grade-btn:hover {
    border-color: var(--bah-primary-light);
    color: var(--bah-primary);
}

.snap-bah-calculator .bah-grade-btn.active {
    background: var(--bah-primary);
    border-color: var(--bah-primary);
    color: var(--bah-white);
}

/* Officer Over 4 Years */
.snap-bah-calculator .bah-officer-over4 {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--bah-gray-200);
}

.snap-bah-calculator .bah-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.snap-bah-calculator .bah-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--bah-primary);
    cursor: pointer;
}

.snap-bah-calculator .bah-checkbox-text {
    font-size: 0.875rem;
    color: var(--bah-gray-600);
}

/* Calculate Button */
.snap-bah-calculator .bah-calculate-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    border: none;
    background: linear-gradient(135deg, var(--bah-primary) 0%, var(--bah-primary-light) 100%);
    color: var(--bah-white);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--bah-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
}

.snap-bah-calculator .bah-calculate-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--bah-shadow-lg);
}

.snap-bah-calculator .bah-calculate-btn:disabled {
    background: var(--bah-gray-300);
    cursor: not-allowed;
}

.snap-bah-calculator .bah-btn-icon {
    width: 20px;
    height: 20px;
}

/* Results */
.snap-bah-calculator .bah-results {
    background: linear-gradient(135deg, var(--bah-success) 0%, #047857 100%);
    color: var(--bah-white);
    padding: 2rem;
    text-align: center;
    margin: 0 1.5rem 1.5rem;
    border-radius: var(--bah-radius-lg);
    animation: bah-slide-up 0.3s ease;
}

@keyframes bah-slide-up {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.snap-bah-calculator .bah-results-header {
    margin-bottom: 1rem;
}

.snap-bah-calculator .bah-results-title {
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.9;
}

.snap-bah-calculator .bah-results-location {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.snap-bah-calculator .bah-results-amount {
    margin: 1.5rem 0;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.snap-bah-calculator .bah-currency {
    font-size: 2rem;
    font-weight: 500;
}

.snap-bah-calculator .bah-amount {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -2px;
}

.snap-bah-calculator .bah-period {
    font-size: 1.25rem;
    font-weight: 400;
    opacity: 0.8;
}

.snap-bah-calculator .bah-results-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding: 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 1rem;
}

@media (max-width: 480px) {
    .snap-bah-calculator .bah-results-details {
        grid-template-columns: 1fr;
    }
}

.snap-bah-calculator .bah-detail {
    text-align: center;
}

.snap-bah-calculator .bah-detail-label {
    display: block;
    font-size: 0.75rem;
    opacity: 0.8;
    margin-bottom: 0.25rem;
}

.snap-bah-calculator .bah-detail-value {
    font-size: 0.95rem;
    font-weight: 600;
}

.snap-bah-calculator .bah-disclaimer {
    margin: 0;
    font-size: 0.75rem;
    opacity: 0.7;
    line-height: 1.4;
}

/* Loading */
.snap-bah-calculator .bah-loading {
    padding: 3rem 2rem;
    text-align: center;
    color: var(--bah-gray-500);
}

.snap-bah-calculator .bah-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bah-gray-200);
    border-top-color: var(--bah-primary);
    border-radius: 50%;
    animation: bah-spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes bah-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Mobile Responsive */
@media (max-width: 640px) {
    .snap-bah-calculator {
        margin: 1rem;
        border-radius: var(--bah-radius);
    }
    
    .snap-bah-calculator .bah-header,
    .snap-bah-calculator .bah-form {
        padding: 1.25rem;
    }
    
    .snap-bah-calculator .bah-results {
        margin: 0 1rem 1rem;
    }
    
    .snap-bah-calculator .bah-amount {
        font-size: 2.75rem;
    }
}