/* 工具页共享基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-body);
    min-height: 100vh;
    padding: 0;
    color: var(--text-primary);
    line-height: 1.5;
    transition: background 0.3s, color 0.3s;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.main-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 20px;
}

.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: background 0.3s, border-color 0.3s;
}

.card-title {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.card-title i {
    color: var(--accent-color);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label:not(.radio):not(.checkbox) {
    display: block;
    margin-bottom: 6px;
    color: var(--text-label);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group input:not([type="radio"]):not([type="checkbox"]),
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-input);
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.2s;
}

.form-group input:not([type="radio"]):not([type="checkbox"]):focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    padding-right: 36px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.form-text {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.input-with-slider {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-with-slider input[type="range"] {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--grid-color);
    border-radius: 2px;
    outline: none;
}

.input-with-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(24, 144, 255, 0.3);
}

.input-with-slider input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(24, 144, 255, 0.3);
}

.btn-calculate {
    width: 100%;
    padding: 12px;
    background: var(--accent-color);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-calculate:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 14px;
    border: 1px solid var(--border-input);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(9, 105, 218, 0.08);
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

.calc-params-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 10px 16px;
    margin-bottom: 20px;
    background: var(--bg-secondary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.param-inline-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.param-inline-item i {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.param-inline-item:first-child i {
    color: var(--accent-color);
}

.summary-card {
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 16px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.3s, border-color 0.3s;
}

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(56, 189, 248, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-icon i {
    font-size: 1.2rem;
    color: var(--accent-color);
}

.card-content {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.card-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.chart-container {
    position: relative;
    height: 320px;
    margin-top: 16px;
}

.notes-content {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
}

.notes-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.notes-content li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
}

.notes-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-color);
}

.notes-content li:last-child {
    margin-bottom: 0;
}

.data-table,
.stages-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    font-size: 0.9rem;
}

.data-table th,
.data-table td,
.stages-table th,
.stages-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table th,
.stages-table th {
    color: var(--text-primary);
    font-weight: 600;
    background: var(--bg-secondary);
}

.data-table tbody tr:hover,
.stages-table tbody tr:hover,
.stages-table tr:hover {
    background: var(--bg-secondary);
}

@media (max-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

/* 公共页脚 */
.common-footer {
    margin-top: auto;
    padding: 24px;
    background: var(--bg-card, #ffffff);
    border-top: 1px solid var(--border-color, #d0d7de);
    color: var(--text-secondary, #666666);
    font-size: 0.85rem;
    text-align: center;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-desc {
    line-height: 1.6;
    margin: 0;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px 20px;
    font-size: 0.8rem;
}

.footer-bottom a {
    color: var(--text-secondary, #666666);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-bottom a:hover {
    color: var(--accent-color, #0066cc);
}

.footer-filing-link {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

.footer-filing-link:hover {
    color: inherit;
    text-decoration: none;
}