/* ==========================================================================
   工期计算器（gongqi-calculator）专属样式
   仅写本工具独有部件；.btn / .form-input / .info-card / .feature-grid 等
   共享类来自 /style.css
   ========================================================================== */

/* ---------- 模式切换 ---------- */
.gq-mode-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.gq-mode-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    padding: 0.75rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.3;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.gq-mode-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.gq-mode-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-light);
    color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color) inset;
}

.gq-mode-hint {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
}

.gq-mode-btn.active .gq-mode-hint {
    color: var(--primary-color);
    opacity: 0.85;
}

/* ---------- 表单字段 ---------- */
.gq-field {
    margin-bottom: 1rem;
}

.gq-label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.gq-date-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.gq-amount-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.5rem;
    align-items: stretch;
}

/* 口径（自然日 / 工作日）分段控件 */
.gq-unit-row {
    display: inline-grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    gap: 0.25rem;
    padding: 0.25rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.gq-unit-btn {
    padding: 0.375rem 0.875rem;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition-fast);
}

.gq-unit-btn:hover {
    color: var(--primary-color);
}

.gq-unit-btn.active {
    background: var(--bg-white);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

/* 复选框 */
.gq-check {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
}

.gq-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
    cursor: pointer;
    flex: none;
}

.gq-check.gq-disabled {
    color: var(--text-muted);
    cursor: not-allowed;
}

.gq-check.gq-disabled input[type="checkbox"] {
    cursor: not-allowed;
}

.gq-check-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    margin-bottom: 1rem;
}

/* ---------- 每周休息日 chips ---------- */
.gq-wd-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.gq-wd-chip {
    width: 40px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.gq-wd-chip:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.gq-wd-chip.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #fff;
}

/* ---------- 常用工期快捷填充 ---------- */
.gq-quick-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.gq-quick-btn {
    padding: 0.25rem 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--bg-white);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.gq-quick-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--primary-light);
}

/* ---------- 高级设置（自定义日期） ---------- */
.gq-advanced {
    margin: 0.25rem 0 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-light);
    padding: 0.75rem 0.875rem;
}

.gq-advanced-title {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.gq-advanced-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.gq-textarea {
    width: 100%;
    min-height: 62px;
    padding: 0.5rem 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text-primary);
    font-size: 0.8125rem;
    font-family: inherit;
    line-height: 1.5;
    resize: vertical;
    box-sizing: border-box;
}

.gq-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 140, 240, 0.12);
}

.gq-hint {
    margin: 0.375rem 0 0;
    font-size: 0.75rem;
    line-height: 1.6;
    color: var(--text-muted);
}

/* ---------- 错误提示 ---------- */
.gq-error {
    display: none;
    margin-bottom: 0.875rem;
    padding: 0.625rem 0.875rem;
    border: 1px solid #ffd6d6;
    border-radius: var(--radius-sm);
    background: #fff5f5;
    color: var(--danger-color);
    font-size: 0.875rem;
}

/* ---------- 结果区 ---------- */
.gq-result {
    margin-top: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-white);
}

.gq-main {
    padding: 1.25rem 1rem;
    text-align: center;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f3ff 100%);
    border-bottom: 1px solid var(--border-color);
}

.gq-main-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.375rem;
}

.gq-main-date {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.02em;
    line-height: 1.25;
    word-break: break-all;
}

.gq-main-week {
    margin-top: 0.375rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.gq-stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--border-color);
}

.gq-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.875rem 0.375rem;
    background: var(--bg-white);
    text-align: center;
}

.gq-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.gq-stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.gq-extra {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-light);
}

.gq-extra p {
    margin: 0 0 0.25rem;
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.gq-extra p:last-child {
    margin-bottom: 0;
}

.gq-notice {
    display: none;
    margin-top: 0.75rem;
    padding: 0.625rem 0.875rem;
    border-left: 3px solid var(--warning-color);
    border-radius: var(--radius-sm);
    background: #fffbf0;
    color: #ad6800;
    font-size: 0.8125rem;
    line-height: 1.7;
}

/* ---------- 操作按钮 ---------- */
.gq-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.gq-actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    width: 100%;
}

/* ---------- 速查表 ---------- */
.gq-table-wrap {
    overflow-x: auto;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.gq-table {
    width: 100%;
    min-width: 560px;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.gq-table thead th {
    padding: 0.625rem 0.75rem;
    background: var(--bg-light);
    color: var(--text-primary);
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--border-color);
}

.gq-table td {
    padding: 0.625rem 0.75rem;
    color: var(--text-secondary);
    line-height: 1.6;
    border-bottom: 1px solid var(--border-color);
}

.gq-table tbody tr:last-child td {
    border-bottom: none;
}

.gq-table tbody tr:hover td {
    background: var(--primary-light);
}

.gq-table td:first-child {
    color: var(--text-primary);
    font-weight: 600;
    white-space: nowrap;
}

/* ---------- 数据来源说明 ---------- */
.gq-tip {
    margin-top: 1rem;
    font-size: 0.8125rem;
    line-height: 1.75;
    color: var(--text-muted);
}

.gq-tip a {
    color: var(--primary-color);
    text-decoration: none;
}

.gq-tip a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   响应式
   ========================================================================== */

@media (max-width: 992px) {
    .gq-mode-row {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .gq-stat-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .gq-mode-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gq-mode-btn:last-child {
        grid-column: 1 / -1;
    }

    .gq-date-row,
    .gq-advanced-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .gq-amount-row {
        grid-template-columns: minmax(0, 1fr);
    }

    .gq-unit-row {
        width: 100%;
    }

    .gq-main-date {
        font-size: 1.5rem;
    }

    /* 移动端按钮组用 grid 两列：flex + flex-basis 会在纵向排列时
       把 basis 当成高度，把按钮撑成 150px 高 */
    .gq-actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
    }

    .gq-actions .btn {
        padding: 0.625rem 0.5rem;
        font-size: 0.875rem;
        min-width: 0;
    }

    .gq-actions .btn:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 400px) {
    .gq-mode-row {
        grid-template-columns: minmax(0, 1fr);
    }

    .gq-mode-btn:last-child {
        grid-column: auto;
    }

    .gq-wd-chip {
        width: 34px;
        height: 32px;
        font-size: 0.8125rem;
    }

    .gq-stat-value {
        font-size: 1.0625rem;
    }

    .gq-actions {
        grid-template-columns: minmax(0, 1fr);
    }

    .gq-actions .btn:first-child {
        grid-column: auto;
    }
}