/**
 * 日期计算器样式
 */

.date-calc-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 功能标签 */
.func-tabs {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--color-bg-secondary);
    border-radius: 10px;
    flex-wrap: wrap;
}

.func-tab {
    flex: 1;
    min-width: 100px;
    padding: 10px 16px;
    border: none;
    background: transparent;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.func-tab:hover {
    color: var(--color-text);
    background: var(--color-bg);
}

.func-tab.active {
    background: var(--color-bg);
    color: var(--color-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* 功能面板 */
.func-panel {
    display: none;
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--color-border-light);
}

.func-panel.active {
    display: block;
}

/* 日期行 */
.date-row {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.date-field {
    flex: 1;
    min-width: 150px;
}

.date-field label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.date-field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    transition: var(--transition);
}

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

.date-separator {
    font-size: 20px;
    color: var(--color-text-light);
    padding-bottom: 8px;
}

/* 计算行 */
.calc-row {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.calc-row select,
.calc-row input {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    transition: var(--transition);
}

.calc-row select {
    min-width: 100px;
}

.calc-row input[type="number"] {
    width: 100px;
    text-align: center;
}

.calc-row select:focus,
.calc-row input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* 选项行 */
.option-row {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.checkbox-item input {
    width: 14px;
    height: 14px;
    accent-color: var(--color-primary);
}

/* 节假日设置 */
.holiday-section {
    margin-bottom: 16px;
    background: var(--color-bg);
    border-radius: 8px;
    overflow: hidden;
}

.holiday-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 12px;
    cursor: pointer;
}

.btn-link:hover {
    text-decoration: underline;
}

.holiday-list {
    padding: 12px;
    border-top: 1px solid var(--color-border-light);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.holiday-item {
    padding: 4px 10px;
    background: var(--color-bg-secondary);
    border-radius: 4px;
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* 计算按钮 */
.btn-calc {
    width: 100%;
    padding: 12px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 16px;
}

.btn-calc:hover {
    background: var(--color-primary-dark);
}

/* 结果框 */
.result-box {
    background: var(--color-bg);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.result-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
}

.result-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
}

.result-unit {
    font-size: 18px;
    color: var(--color-text-secondary);
}

.result-detail {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.result-date {
    font-size: 32px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.result-weekday {
    font-size: 16px;
    color: var(--color-primary);
}

/* 结果网格 */
.result-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.result-item {
    text-align: center;
}

.result-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.result-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text);
}

.result-value.highlight {
    color: var(--color-primary);
}

/* 倒计时名称 */
.countdown-name {
    margin-bottom: 16px;
}

.countdown-name input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--color-bg);
}

.countdown-name input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* 倒计时显示 */
.countdown-display {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
    border-radius: 12px;
    padding: 24px;
}

.countdown-numbers {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}

.countdown-block {
    background: var(--color-bg);
    border-radius: 10px;
    padding: 16px 20px;
    min-width: 70px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.countdown-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.countdown-label {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.countdown-event {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* 响应式 */
@media (max-width: 600px) {
    .func-tabs {
        flex-direction: column;
    }

    .func-tab {
        min-width: auto;
    }

    .date-row {
        flex-direction: column;
        align-items: stretch;
    }

    .date-separator {
        display: none;
    }

    .calc-row {
        flex-direction: column;
    }

    .calc-row select,
    .calc-row input {
        width: 100%;
    }

    .result-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .countdown-numbers {
        flex-wrap: wrap;
    }

    .countdown-block {
        min-width: 60px;
        padding: 12px 16px;
    }

    .countdown-value {
        font-size: 24px;
    }
}