/* ============ 容器 ============ */
#timestamp-container {
    margin-bottom: 15px;
}

/* ============ 左右两栏布局 ============ */
#timestamp-container > .section-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

#timestamp-container > .section-row > .settings-card,
#timestamp-container > .section-row > .preview-card {
    flex: 1;
    margin-top: 0;
    margin-bottom: 0;
}

/* ============ Tab 按钮增强 ============ */
#timestamp-container .tabs {
    margin-bottom: 20px;
}

#timestamp-container .tab-item {
    font-size: 13px;
    padding: 12px 20px;
    white-space: nowrap;
}

/* ============ 转换表单 ============ */
.convert-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 输入/输出左右并排 */
.convert-row {
    display: flex;
    gap: 12px;
}

.convert-col {
    flex: 1;
    min-width: 0;
}

.col-label {
    display: block;
    font-size: 12px;
    color: #6b7280;
    margin-bottom: 6px;
    font-weight: 500;
}

.form-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-row .form-select {
    padding: 9px 8px;
    font-size: 14px;
    height: 38px;
    box-sizing: border-box;
    line-height: 1.4;
}

.convert-arrow {
    font-size: 18px;
    color: #8b5cf6;
    font-weight: bold;
    flex-shrink: 0;
    line-height: 1;
}

/* ============ 输入输出框 ============ */
.convert-input,
.convert-output {
    flex: 1;
    min-width: 0;
    padding: 9px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    font-family: 'Consolas', 'Monaco', monospace;
    background: #fff;
    transition: border-color 0.2s;
}

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

.convert-output {
    background: #f9fafb;
    color: #1f2937;
}

/* ============ 当前时间显示 ============ */
.time-display {
    display: flex;
    flex-direction: column;
}

.time-display .divider {
    margin: 12px 0;
}

.time-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
}

.time-row .time-label {
    font-size: 13px;
    color: #6b7280;
    min-width: 100px;
    flex-shrink: 0;
}

.time-row .time-value {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 15px;
    font-weight: 600;
    color: #1f2937;
    flex: 1;
    word-break: break-all;
}

.time-row .time-value.ts {
    color: #8b5cf6;
    font-size: 14px;
}

/* ============ 信息区 ============ */
#app > .info-section {
    margin-top: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ============ 响应式 ============ */
@media (max-width: 768px) {
    #timestamp-container > .section-row {
        flex-direction: column;
        gap: 12px;
    }

    #app > .info-section {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-wrap: wrap;
    }

    .convert-row {
        flex-direction: column;
        gap: 12px;
    }

    .time-row .time-label {
        min-width: 85px;
    }
}