/* 加密解密工具样式 */
main {
    flex: 1;
    width: 90%;
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 20px;
}

.tool-header {
    text-align: center;
    margin: -40px 0 30px 0;
    /* padding-top: 20px; */
}

.tool-header h1 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.tool-header p {
    color: var(--text-secondary-light);
    font-size: 1rem;
}

body.dark-mode .tool-header p {
    color: var(--text-secondary-dark);
}

.content-wrapper {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.section {
    flex: 1;
    background: #ffffff;
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(74, 108, 247, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.section:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.section h2 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.option-group {
    margin-bottom: 20px;
}

.option-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 8px;
}

body.dark-mode .option-group label {
    color: var(--text-dark);
}

textarea {
    width: 100%;
    min-height: 300px;
    padding: 15px;
    font-size: 14px;
    font-family: 'Consolas', 'Monaco', monospace;
    border: 2px solid #edf2f7;
    border-radius: 12px;
    resize: vertical;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.15);
    outline: none;
}

select, input[type="text"] {
    width: 100%;
    padding: 12px 15px;
    font-size: 14px;
    border: 2px solid #edf2f7;
    border-radius: 10px;
    background: #fff;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

select:focus, input[type="text"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.15);
    outline: none;
}

.options-row {
    display: flex;
    gap: 20px;
}

.options-row .option-group {
    flex: 1;
}

.key-group {
    animation: slideDown 0.3s ease;
}

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

.button-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 20px;
}

button {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
    min-width: 100px;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(74, 108, 247, 0.3);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 108, 247, 0.4);
}

.secondary-btn {
    background: #f0f4ff;
    color: var(--primary-color);
    border: 1px solid rgba(74, 108, 247, 0.2);
}

.secondary-btn:hover {
    background: #e0e8ff;
    transform: translateY(-2px);
}

/* 全部结果区域 */
.all-results {
    margin-top: 20px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    max-height: 400px;
    overflow-y: auto;
}

.all-results h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 12px;
    margin-bottom: 10px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    gap: 15px;
}

.result-item:hover {
    border-color: var(--primary-color);
}

.result-label {
    font-weight: 600;
    color: var(--primary-color);
    min-width: 100px;
    flex-shrink: 0;
}

.result-value {
    flex: 1;
    word-break: break-all;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    color: var(--text-light);
}

.result-copy {
    padding: 6px 12px;
    font-size: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    flex-shrink: 0;
}

.result-copy:hover {
    background: var(--primary-dark);
}

/* 算法说明区域 */
.info-section {
    margin-top: 30px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.info-item {
    padding: 20px;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.info-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.info-item p {
    color: var(--text-secondary-light);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* 深色模式 */
body.dark-mode .section {
    background: var(--card-dark);
    border-color: rgba(74, 108, 247, 0.2);
}

body.dark-mode textarea,
body.dark-mode select,
body.dark-mode input[type="text"] {
    background: #2a2f3d;
    border-color: #3a4050;
    color: var(--text-dark);
}

body.dark-mode .secondary-btn {
    background: #2a2f3d;
    color: var(--primary-light);
    border-color: rgba(74, 108, 247, 0.3);
}

body.dark-mode .secondary-btn:hover {
    background: #353b4d;
}

body.dark-mode .all-results {
    background: #2a2f3d;
    border-color: #3a4050;
}

body.dark-mode .result-item {
    background: var(--card-dark);
    border-color: #3a4050;
}

body.dark-mode .result-value {
    color: var(--text-dark);
}

body.dark-mode .info-item {
    background: #2a2f3d;
}

body.dark-mode .info-item p {
    color: var(--text-secondary-dark);
}

/* 响应式 */
@media (max-width: 900px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .options-row {
        flex-direction: column;
        gap: 15px;
    }
    
    main {
        width: 95%;
        padding: 0 10px;
    }
}

@media (max-width: 600px) {
    .tool-header h1 {
        font-size: 1.5rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    button {
        width: 100%;
    }
    
    .result-item {
        flex-direction: column;
        gap: 10px;
    }
    
    .result-copy {
        align-self: flex-end;
    }
}