/* Cron 表达式生成器样式 */
main {
    flex: 1;
    width: 90%;
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 20px;
}

.tool-header {
    text-align: center;
    margin: -40px 0 30px 0;
}

.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);
}

.section {
    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;
    margin-bottom: 24px;
}

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

.section h2 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.templates-section .template-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.template-chip {
    border: 1px solid rgba(74, 108, 247, 0.2);
    background: #f0f4ff;
    color: var(--primary-color);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 14px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.template-chip:hover {
    transform: translateY(-1px);
    background: #e0e8ff;
}

.template-chip.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    border-color: transparent;
}

.content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.cron-builder {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cron-field-row {
    display: grid;
    grid-template-columns: 110px 160px 1fr;
    gap: 12px;
    align-items: center;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid #e8eef9;
    background: #f8fbff;
}

.field-label {
    font-weight: 600;
    color: var(--text-light);
}

.field-type,
.dynamic-input input,
.dynamic-input select,
.reverse-controls input,
.preview-controls select {
    width: 100%;
    padding: 11px 12px;
    border-radius: 10px;
    border: 2px solid #edf2f7;
    background: #fff;
    font-size: 14px;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.field-type:focus,
.dynamic-input input:focus,
.dynamic-input select:focus,
.reverse-controls input:focus,
.preview-controls select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.15);
}

.dynamic-input {
    display: flex;
    gap: 10px;
    align-items: center;
}

.dynamic-input .sep {
    color: var(--text-secondary-light);
    font-size: 13px;
}

.expression-display .expression-box-wrap {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}

.expression-box {
    flex: 1;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.4px;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid #dbe7ff;
    background: #f5f8ff;
    color: var(--primary-dark);
    overflow-x: auto;
}

.description-text {
    margin: 0;
    color: var(--text-secondary-light);
    line-height: 1.6;
}

.reverse-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.preview-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.preview-controls label {
    font-weight: 600;
    color: var(--text-light);
}

.preview-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.preview-list li {
    background: #f8fafc;
    border: 1px solid #edf2f7;
    border-radius: 10px;
    padding: 10px 12px;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--text-light);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.info-item {
    background: #f8fafc;
    border-left: 4px solid var(--primary-color);
    border-radius: 12px;
    padding: 16px;
}

.info-item h4 {
    margin: 0 0 8px;
    color: var(--primary-color);
}

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

.info-item code {
    font-family: 'Consolas', 'Monaco', monospace;
    padding: 1px 5px;
    border-radius: 4px;
    background: rgba(74, 108, 247, 0.1);
    color: var(--primary-dark);
}

button {
    padding: 11px 18px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    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);
}

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

body.dark-mode .cron-field-row {
    background: #2a2f3d;
    border-color: #3a4050;
}

body.dark-mode .field-label,
body.dark-mode .preview-controls label,
body.dark-mode .preview-list li {
    color: var(--text-dark);
}

body.dark-mode .field-type,
body.dark-mode .dynamic-input input,
body.dark-mode .dynamic-input select,
body.dark-mode .reverse-controls input,
body.dark-mode .preview-controls select {
    background: #2a2f3d;
    border-color: #3a4050;
    color: var(--text-dark);
}

body.dark-mode .template-chip {
    background: #2a2f3d;
    color: var(--primary-light);
    border-color: rgba(74, 108, 247, 0.35);
}

body.dark-mode .template-chip:hover {
    background: #353b4d;
}

body.dark-mode .template-chip.active {
    color: #fff;
}

body.dark-mode .expression-box {
    background: #202634;
    border-color: #3a4050;
    color: #a9c2ff;
}

body.dark-mode .description-text,
body.dark-mode .dynamic-input .sep,
body.dark-mode .info-item p {
    color: var(--text-secondary-dark);
}

body.dark-mode .secondary-btn {
    background: #2a2f3d;
    color: var(--primary-light);
    border-color: rgba(74, 108, 247, 0.35);
}

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

body.dark-mode .preview-list li,
body.dark-mode .info-item {
    background: #2a2f3d;
    border-color: #3a4050;
}

body.dark-mode .info-item code {
    color: #a9c2ff;
    background: rgba(169, 194, 255, 0.16);
}

/* 响应式 */
@media (max-width: 900px) {
    main {
        width: 95%;
        padding: 0 10px;
    }

    .cron-field-row {
        grid-template-columns: 1fr;
    }

    .expression-display .expression-box-wrap,
    .reverse-controls {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 600px) {
    .tool-header h1 {
        font-size: 1.5rem;
    }

    .section {
        padding: 18px;
    }

    .preview-controls {
        flex-direction: column;
        align-items: flex-start;
    }
}