/* ==================== UNIT CONVERTER TOOLS - COMPLETE STYLES ==================== */
/* All classes use 'uc-' prefix to avoid conflicts with anniversary calculator */

/* Main Container */
.uc-converter-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.uc-converter-wrapper {
    max-width: 950px;
    margin: 0 auto;
}

/* Header Section */
.uc-converter-header {
    text-align: center;
    margin-bottom: 2rem;
}

.uc-converter-title {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text);
    letter-spacing: -0.02em;
}

.uc-converter-icon {
    font-size: 2rem;
    display: inline-block;
    animation: ucPulse 2s infinite;
}

@keyframes ucPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.uc-converter-badge {
    font-size: 0.8rem;
    background: linear-gradient(135deg, var(--primary), #818cf8);
    padding: 0.2rem 0.8rem;
    border-radius: 50px;
    font-weight: 500;
    margin-left: 0.5rem;
    display: inline-block;
    vertical-align: middle;
    color: white;
}

.uc-converter-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1rem;
    margin-top: 0.5rem;
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
}

/* Main Card */
.uc-converter-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 2rem;
    box-shadow: var(--shadow);
}

/* Input Group - 3 Column */
.uc-converter-input-group {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    align-items: flex-end;
}

/* Input Wrapper */
.uc-input-wrapper {
    background: var(--bg);
    border-radius: 16px;
    padding: 1rem;
    border: 1px solid var(--border);
}

.uc-input-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-size: 0.85rem;
}

.uc-input-field {
    width: 100%;
    padding: 0.8rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s;
    box-sizing: border-box;
}

.uc-input-field:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.uc-input-field[readonly] {
    background: var(--bg);
    cursor: default;
    opacity: 0.8;
}

.uc-select-field {
    width: 100%;
    padding: 0.8rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-size: 0.85rem;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 0.5rem;
}

.uc-select-field:focus {
    outline: none;
    border-color: var(--primary);
}

/* Swap Button */
.uc-swap-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.uc-swap-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.uc-swap-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: scale(1.02);
}

/* Action Buttons */
.uc-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.uc-action-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.85rem;
}

.uc-action-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Results Section */
.uc-converter-results {
    background: var(--bg);
    border-radius: 20px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.uc-results-header {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.uc-results-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
}

/* Result Display */
.uc-result-display {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary), #818cf8);
    border-radius: 16px;
}

.uc-result-formula {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    word-break: break-word;
}

/* Reference Cards */
.uc-reference-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.uc-ref-card {
    background: var(--surface);
    border-radius: 12px;
    padding: 0.8rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.uc-ref-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.uc-ref-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
}

.uc-ref-label {
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 0.3rem;
}

/* Quick Section */
.uc-quick-section {
    margin-bottom: 1rem;
}

.uc-quick-section strong {
    font-size: 0.85rem;
    color: var(--text);
}

.uc-quick-buttons {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-top: 0.8rem;
}

.uc-quick-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.uc-quick-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Info Grid */
.uc-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.8rem;
    margin-top: 1rem;
}

.uc-info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem;
    background: var(--surface);
    border-radius: 10px;
    font-size: 0.8rem;
}

.uc-info-label {
    color: var(--text-light);
}

.uc-info-value {
    font-weight: 600;
    color: var(--primary);
}

/* Reference Section */
.uc-reference-section {
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--bg);
    border-radius: 16px;
    border: 1px solid var(--border);
}

.uc-reference-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text);
}

.uc-reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.uc-ref-item {
    background: var(--surface);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid var(--border);
}

.uc-ref-item h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.uc-ref-item ul {
    padding-left: 1rem;
    margin: 0;
}

.uc-ref-item li {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

/* SEO Content */
.uc-seo-content {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--surface);
    border-radius: 16px;
    border: 1px solid var(--border);
}

.uc-seo-content h2 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text);
}

.uc-seo-content h3 {
    font-size: 1.1rem;
    margin: 1rem 0 0.5rem;
    color: var(--text);
}

.uc-seo-content h4 {
    font-size: 0.95rem;
    margin: 0.8rem 0 0.3rem;
    color: var(--primary);
}

.uc-seo-content p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0.8rem;
}

.uc-feature-list {
    padding-left: 1.2rem;
    margin: 0.5rem 0;
}

.uc-feature-list li {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

/* Conversion Table */
.uc-conversion-table {
    margin: 1rem 0;
    background: var(--bg);
    border-radius: 12px;
    overflow: hidden;
}

.uc-table-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border);
}

.uc-table-row:last-child {
    border-bottom: none;
}

.uc-table-from {
    font-size: 0.8rem;
    color: var(--text);
}

.uc-table-arrow {
    font-size: 0.8rem;
    color: var(--primary);
}

.uc-table-to {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Footer Note */
.uc-footer-note {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-light);
}

.uc-footer-note p {
    margin: 0.3rem 0;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .uc-ref-card,
    .uc-ref-item,
    .uc-info-item {
        background: var(--surface);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .uc-converter-container {
        padding: 0 1rem;
    }
    
    .uc-converter-title {
        font-size: 1.8rem;
    }
    
    .uc-converter-badge {
        font-size: 0.65rem;
        display: block;
        margin: 0.5rem auto 0;
        width: fit-content;
    }
    
    .uc-converter-card {
        padding: 1rem;
    }
    
    .uc-converter-input-group {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .uc-swap-wrapper {
        justify-content: center;
    }
    
    .uc-reference-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .uc-reference-grid {
        grid-template-columns: 1fr;
    }
    
    .uc-info-grid {
        grid-template-columns: 1fr;
    }
    
    .uc-quick-buttons {
        gap: 0.4rem;
    }
    
    .uc-quick-btn {
        padding: 0.3rem 0.7rem;
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .uc-reference-cards {
        grid-template-columns: 1fr;
    }
    
    .uc-table-row {
        flex-direction: column;
        text-align: center;
        gap: 0.3rem;
    }
}

/* Animation for value changes */
@keyframes ucHighlight {
    0% { background: rgba(99, 102, 241, 0.2); }
    100% { background: transparent; }
}

.uc-input-field:active {
    animation: ucHighlight 0.3s ease;
}

/* Print styles */
@media print {
    .uc-swap-btn,
    .uc-action-btn,
    .uc-quick-btn,
    .uc-converter-badge {
        display: none;
    }
    
    .uc-converter-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}