/* Time Format Converter Styles */

/* Tool Header */
.tool-header {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
    color: white;
    padding: 2rem 0;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.tool-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.container {
    position: relative;
    z-index: 2;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb i {
    font-size: 0.8rem;
    opacity: 0.6;
}

.breadcrumb span {
    color: white;
    font-weight: 600;
}

/* Tool Info */
.tool-info {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.tool-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

.tool-details h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.tool-details p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.tool-meta {
    display: flex;
    gap: 2rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.95rem;
}

/* Info Section */
.info-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f5f3ff 0%, #ffffff 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: #6b7280;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.5);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    margin: 0 auto 1rem;
}

.info-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.75rem;
}

.info-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Usage Section */
.usage-section {
    padding: 6rem 0;
    background: white;
}

.steps-flow {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-bottom: 4rem;
    max-width: 800px;
    margin: auto;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.step-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.step-item:last-child {
    margin-bottom: 2rem;
}

.step-visual {
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-circle {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
    transition: all 0.3s ease;
}

.step-item:hover .step-circle {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.4);
}

.step-number {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
}

.step-icon {
    font-size: 2.5rem;
    margin-top: 1rem;
}

.step-content {
    flex: 1;
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.1);
    position: relative;
    transition: all 0.3s ease;
}

.step-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    border-radius: 20px 20px 0 0;
}

.step-item:hover .step-content {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.15);
}

.step-content h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.step-content p {
    color: #6b7280;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Step Options */
.step-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.option-tag {
    background: linear-gradient(135deg, #f3e8ff, #ede9fe);
    color: #8b5cf6;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: all 0.3s ease;
}

.option-tag:hover {
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    color: white;
    transform: translateY(-2px);
}

/* Step Details */
.step-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f3e8ff, #ede9fe);
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.detail-item:hover {
    transform: translateX(5px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.1);
}

.detail-item i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.detail-item span {
    color: #374151;
    font-weight: 500;
    font-size: 1rem;
}

/* Step Features */
.step-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
    transition: all 0.3s ease;
}

.feature-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

.feature-badge i {
    font-size: 1rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: white;
    color: #8b5cf6;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 2px solid rgba(139, 92, 246, 0.2);
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.action-btn:hover {
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    color: white;
    border-color: #8b5cf6;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.3);
}

.action-btn i {
    font-size: 1.1rem;
}

/* Step Arrows */
.step-arrow {
    position: absolute;
    left: 60px;
    bottom: -2rem;
    transform: translateX(-50%);
    z-index: 1;
}

.step-arrow i {
    font-size: 2rem;
    color: #8b5cf6;
    opacity: 0.6;
    animation: bounce 2s ease-in-out infinite;
}

.step-item:last-child .step-arrow {
    display: none;
}

/* Quick Tips */
.quick-tips {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(109, 40, 217, 0.05));
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.tips-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: #8b5cf6;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.tip-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: #6b7280;
}

.tip-item i {
    color: #8b5cf6;
    font-size: 1.3rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

/* Main Content */
.main-content {
    padding: 4rem 0;
    background: linear-gradient(180deg, #ffffff 0%, #f5f3ff 100%);
}

.converter-wrapper {
    display: grid;
    /* grid-template-columns: 1fr 1fr; */
    gap: 3rem;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.1);
}

.converter-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: #1f2937;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(139, 92, 246, 0.2);
}

.section-title i {
    color: #8b5cf6;
    font-size: 1.5rem;
}

.section-title h3 {
    margin: 0;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: #374151;
    font-size: 0.95rem;
}

.input-group label i {
    color: #8b5cf6;
}

.format-select,
.time-input {
    padding: 0.75rem;
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.format-select:focus,
.time-input:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.input-hint {
    font-size: 0.85rem;
    color: #8b5cf6;
    min-height: 1.2rem;
}

.convert-btn {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.convert-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

.output-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.output-item {
    background: linear-gradient(135deg, #f3e8ff, #ede9fe);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: all 0.3s ease;
}

.output-item:hover {
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.1);
}

.output-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #8b5cf6;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.output-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2937;
    word-break: break-all;
    margin-bottom: 0.75rem;
}

.output-actions {
    display: flex;
    gap: 0.5rem;
}

.copy-btn {
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 6px;
    color: #8b5cf6;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.copy-btn:hover {
    background: #8b5cf6;
    color: white;
    border-color: #8b5cf6;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #9ca3af;
}

.empty-state i {
    font-size: 3rem;
    color: #d1d5db;
    margin-bottom: 1rem;
}

.empty-state p {
    margin: 0;
}

/* Use Cases Section */
.use-cases-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f5f3ff 0%, #ffffff 100%);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.use-case-category {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.use-case-category h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: #8b5cf6;
    margin-bottom: 1rem;
}

.use-case-category ul {
    list-style: none;
}

.use-case-category li {
    padding: 0.5rem 0;
    color: #6b7280;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.use-case-category li:before {
    content: '✓';
    color: #8b5cf6;
    font-weight: 700;
}

/* FAQ Section */
.faq-section {
    padding: 6rem 0;
    background: white;
}

.faq-container {
    display: grid;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.1);
}

.faq-question {
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(109, 40, 217, 0.02));
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    user-select: none;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(109, 40, 217, 0.05));
}

.faq-question span {
    font-weight: 600;
    color: #1f2937;
    font-size: 1.05rem;
    text-align: left;
}

.faq-question i {
    color: #8b5cf6;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 1.5rem;
    color: #6b7280;
    line-height: 1.8;
    border-top: 1px solid rgba(139, 92, 246, 0.1);
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2001;
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: #1f2937;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 8px;
}

.modal-body {
    margin-bottom: 1.5rem;
    color: #6b7280;
    line-height: 1.6;
}

.modal-footer {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.modal-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-btn-primary {
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    color: white;
}

.modal-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

.modal-btn-secondary {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.modal-btn-secondary:hover {
    background: #8b5cf6;
    color: white;
    border-color: #8b5cf6;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .converter-wrapper {
        grid-template-columns: 1fr;
    }
    
    .tool-info {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .tool-meta {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .tool-header {
        padding: 1.5rem 0;
    }
    
    .tool-details h1 {
        font-size: 2rem;
    }
    
    .tool-details p {
        font-size: 1.1rem;
    }
    
    .tool-meta {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-content {
        padding: 2rem 0;
    }
    
    .converter-wrapper {
        gap: 1.5rem;
        padding: 2rem;
    }
    
    .converter-section {
        gap: 1rem;
    }
    
    .section-title {
        font-size: 1.2rem;
        padding-bottom: 0.75rem;
    }
    
    .format-select,
    .time-input {
        padding: 0.7rem;
        font-size: 0.9rem;
    }
    
    .convert-btn {
        padding: 0.7rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .output-grid {
        gap: 0.75rem;
    }
    
    .output-item {
        padding: 1.25rem;
    }
    
    .output-label {
        font-size: 0.8rem;
    }
    
    .output-value {
        font-size: 1rem;
    }
    
    .copy-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    /* Info Section Mobile */
    .info-section,
    .usage-section,
    .use-cases-section,
    .faq-section {
        padding: 4rem 0;
    }
    
    .section-header {
        margin-bottom: 3rem;
        padding: 0 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1.1rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .info-card {
        padding: 2rem;
    }
    
    .info-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
    
    /* Steps Flow Mobile */
    .steps-flow {
        padding: 0 1rem;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        margin-bottom: 3rem;
    }
    
    .step-circle {
        width: 100px;
        height: 100px;
        margin: 0 auto;
    }
    
    .step-number {
        font-size: 1.3rem;
        top: 12px;
    }
    
    .step-icon {
        font-size: 2rem;
        margin-top: 0.75rem;
    }
    
    .step-content {
        padding: 2rem;
    }
    
    .step-content h3 {
        font-size: 1.5rem;
    }
    
    .step-content p {
        font-size: 1rem;
    }
    
    .step-options {
        justify-content: center;
    }
    
    .step-details {
        gap: 0.75rem;
    }
    
    .detail-item {
        padding: 0.75rem;
    }
    
    .detail-item i {
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .step-features {
        justify-content: center;
    }
    
    .feature-badge {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    .action-buttons {
        justify-content: center;
    }
    
    .action-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .step-arrow {
        left: 50%;
        bottom: -1.5rem;
    }
    
    .quick-tips {
        padding: 2rem;
        margin-top: 2rem;
    }
    
    .tips-header {
        flex-direction: column;
        gap: 0.75rem;
        margin-bottom: 1.5rem;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .tip-item {
        padding: 1.25rem;
    }
    
    .tip-item i {
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .use-case-category {
        padding: 2rem;
    }
    
    .use-case-category h3 {
        font-size: 1.2rem;
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .faq-container {
        padding: 0 1rem;
    }
    
    .faq-question {
        padding: 1.25rem 1.5rem;
        font-size: 1rem;
    }
    
    .faq-answer-content {
        padding: 0 1.5rem 1.5rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .tool-header {
        padding: 1rem 0;
    }
    
    .tool-details h1 {
        font-size: 1.8rem;
    }
    
    .breadcrumb {
        font-size: 0.8rem;
        margin-bottom: 1.5rem;
    }
    
    .tool-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .converter-wrapper {
        padding: 1.25rem;
        margin: 0 0.5rem;
        gap: 1rem;
    }
    
    .converter-section {
        gap: 0.75rem;
    }
    
    .section-title {
        font-size: 1.1rem;
        padding-bottom: 0.5rem;
    }
    
    .section-title i {
        font-size: 1.2rem;
    }
    
    .input-group label {
        font-size: 0.9rem;
    }
    
    .format-select,
    .time-input {
        padding: 0.6rem;
        font-size: 0.85rem;
    }
    
    .input-hint {
        font-size: 0.8rem;
    }
    
    .convert-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
        margin-top: 0.75rem;
    }
    
    .output-item {
        padding: 1rem;
    }
    
    .output-label {
        font-size: 0.75rem;
    }
    
    .output-value {
        font-size: 0.95rem;
    }
    
    .output-actions {
        gap: 0.25rem;
    }
    
    .copy-btn {
        padding: 0.35rem 0.7rem;
        font-size: 0.8rem;
    }
    
    .copy-btn i {
        font-size: 0.8rem;
    }
    
    .empty-state {
        padding: 2rem 1rem;
    }
    
    .empty-state i {
        font-size: 2.5rem;
    }
    
    .step-circle {
        width: 80px;
        height: 80px;
    }
    
    .step-number {
        font-size: 1.1rem;
        top: 10px;
    }
    
    .step-icon {
        font-size: 1.8rem;
        margin-top: 0.5rem;
    }
    
    .step-content {
        padding: 1.5rem;
    }
    
    .step-content h3 {
        font-size: 1.3rem;
    }
    
    .option-tag {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .detail-item {
        padding: 0.6rem;
        font-size: 0.9rem;
    }
    
    .feature-badge {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .action-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    .quick-tips {
        padding: 1.5rem;
    }
    
    .tips-header h4 {
        font-size: 1.3rem;
    }
    
    .tip-item {
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .info-section,
    .usage-section,
    .use-cases-section,
    .faq-section {
        padding: 3rem 0;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .info-card {
        padding: 1.5rem;
    }
    
    .info-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin: 0 auto 1rem;
    }
    
    .info-card h3 {
        font-size: 1.2rem;
    }
    
    .info-card p {
        font-size: 0.95rem;
    }
    
    .use-cases-grid {
        padding: 0 0.5rem;
    }
    
    .use-case-category {
        padding: 1.5rem;
    }
    
    .use-case-category h3 {
        font-size: 1.1rem;
    }
    
    .use-case-category li {
        font-size: 0.9rem;
    }
    
    .faq-container {
        padding: 0 0.5rem;
    }
    
    .faq-question {
        padding: 1rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .faq-question span {
        font-size: 0.95rem;
    }
    
    .faq-answer-content {
        padding: 0 1.25rem 1.25rem;
        font-size: 0.9rem;
    }
}