/* 一致性哈希溢出演示样式 */

:root {
    --demo-bg: #f8f9fa;
    --demo-card-bg: white;
    --demo-text: #2c3e50;
    --demo-border: #e0e0e0;
    --demo-shadow: rgba(0,0,0,0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --demo-bg: #1e1e1e;
        --demo-card-bg: #2d2d2d;
        --demo-text: #e0e0e0;
        --demo-border: #444;
        --demo-shadow: rgba(0,0,0,0.3);
    }
}

#demo-container {
    display: flex;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
    background: var(--demo-bg);
    padding: 20px;
    border-radius: 8px;
}

#visualization {
    flex: 1;
    min-width: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

#hashRing {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

#controls {
    flex: 1;
    min-width: 350px;
}

.params-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--demo-card-bg);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 4px var(--demo-shadow);
    margin-bottom: 20px;
}

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

.params-table thead {
    background: #3498db;
    color: white;
}

.params-table thead th {
    font-weight: 600;
}

.params-table button {
    padding: 5px 12px;
    margin: 0 5px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background 0.2s;
}

.params-table button:hover {
    background: #2980b9;
}

.params-table button:active {
    transform: scale(0.95);
}

.params-table .paramValue,
.params-table span {
    display: inline-block;
    min-width: 30px;
    text-align: center;
    font-weight: 600;
}

.info-row {
    background: var(--demo-bg);
}

.info-row td {
    font-weight: 600;
}

.highlight {
    background: #fff3cd !important;
}

@media (prefers-color-scheme: dark) {
    .highlight {
        background: #4a3a00 !important;
    }
}

.highlight span {
    color: #d35400;
    font-size: 1.1em;
}

@media (prefers-color-scheme: dark) {
    .highlight span {
        color: #ffb347;
    }
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.primary-btn,
.secondary-btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.primary-btn {
    background: #27ae60;
    color: white;
}

.primary-btn:hover {
    background: #229954;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(39, 174, 96, 0.3);
}

.secondary-btn {
    background: #95a5a6;
    color: white;
}

.secondary-btn:hover {
    background: #7f8c8d;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(149, 165, 166, 0.3);
}

.stats-panel {
    background: var(--demo-card-bg);
    padding: 15px;
    border-radius: 6px;
    border-left: 4px solid #3498db;
    box-shadow: 0 2px 4px var(--demo-shadow);
}

.stats-panel p {
    margin: 8px 0;
    line-height: 1.6;
    color: var(--demo-text);
}

.stats-panel span {
    font-weight: 600;
    color: var(--demo-text);
}

.preset-scenarios {
    margin: 30px 0;
    padding: 20px;
    background: #e8f4f8;
    border-radius: 8px;
    border: 2px dashed #3498db;
}

@media (prefers-color-scheme: dark) {
    .preset-scenarios {
        background: #2a3a4a;
        border-color: #5dade2;
    }
}

.preset-scenarios h4 {
    margin-top: 0;
    color: #2c3e50;
}

@media (prefers-color-scheme: dark) {
    .preset-scenarios h4 {
        color: #e0e0e0;
    }
}

.preset-scenarios button {
    display: inline-block;
    margin: 5px 10px 5px 0;
    padding: 10px 16px;
    background: var(--demo-card-bg);
    border: 2px solid #3498db;
    border-radius: 6px;
    color: #3498db;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

@media (prefers-color-scheme: dark) {
    .preset-scenarios button {
        color: #5dade2;
        border-color: #5dade2;
    }
}

.preset-scenarios button:hover {
    background: #3498db;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    #demo-container {
        flex-direction: column;
    }
    
    #visualization {
        min-width: 100%;
    }
    
    #controls {
        min-width: 100%;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .preset-scenarios button {
        display: block;
        width: 100%;
        margin: 5px 0;
    }
}

/* 代码块样式调整 */
pre.src {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 20px;
    border-radius: 6px;
    overflow-x: auto;
    line-height: 1.5;
}

pre.src code {
    font-family: 'Source Code Pro', 'Consolas', monospace;
    font-size: 14px;
}

/* 引用块样式 */
blockquote {
    border-left: 4px solid #3498db;
    padding-left: 20px;
    margin: 20px 0;
    font-style: italic;
    color: #555;
    background: #f8f9fa;
    padding: 15px 20px;
    border-radius: 4px;
}

@media (prefers-color-scheme: dark) {
    blockquote {
        color: #aaa;
        background: #2a2a2a;
        border-left-color: #5dade2;
    }
}

/* 新增：分布演示样式 */
#distribution-demo {
    margin: 30px 0;
    padding: 25px;
    background: var(--demo-bg);
    border-radius: 8px;
    border: 2px solid #3498db;
}

@media (prefers-color-scheme: dark) {
    #distribution-demo {
        border-color: #5dade2;
    }
}

#distribution-demo h4 {
    color: var(--demo-text);
    margin-top: 0;
}

.demo-desc {
    color: var(--demo-text);
    font-style: italic;
    margin-bottom: 20px;
    opacity: 0.8;
}

.distribution-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.inline-params {
    padding: 10px 15px;
    background: var(--demo-card-bg);
    border-radius: 6px;
    border: 2px solid #3498db;
    font-weight: 600;
    color: var(--demo-text);
}

@media (prefers-color-scheme: dark) {
    .inline-params {
        border-color: #5dade2;
    }
}

#distributionChart {
    display: block;
    margin: 20px auto;
    background: var(--demo-card-bg);
    border-radius: 6px;
    box-shadow: 0 2px 8px var(--demo-shadow);
    max-width: 100%;
    height: auto;
}

#distribution-stats {
    margin-top: 20px;
}

/* 场景对比器样式 */
#scenario-comparator {
    margin: 30px 0;
    padding: 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    color: white;
}

#scenario-comparator h4 {
    color: white;
    margin-top: 0;
    text-align: center;
    font-size: 1.5em;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.scenario-card {
    background: var(--demo-card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--demo-shadow);
}

.scenario-card h5 {
    color: var(--demo-text);
    margin-top: 0;
    text-align: center;
    font-size: 1.1em;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

@media (prefers-color-scheme: dark) {
    .scenario-card h5 {
        border-bottom-color: #5dade2;
    }
}

.scenario-card svg {
    display: block;
    margin: 15px auto;
}

.scenario-params {
    text-align: center;
    color: var(--demo-text);
}

.scenario-params p {
    margin: 8px 0;
}

.overflow-risk {
    font-size: 1.2em;
    font-weight: bold;
    padding: 8px;
    border-radius: 4px;
    margin-top: 10px;
}

.overflow-risk.high {
    background: #ffe6e6;
    color: #c0392b;
}

@media (prefers-color-scheme: dark) {
    .overflow-risk.high {
        background: #4a1a1a;
        color: #ff6b6b;
    }
}

.overflow-risk.low {
    background: #e6ffe6;
    color: #27ae60;
}

@media (prefers-color-scheme: dark) {
    .overflow-risk.low {
        background: #1a4a1a;
        color: #51cf66;
    }
}

#scenario-comparator .primary-btn {
    display: block;
    margin: 20px auto;
    padding: 15px 40px;
    font-size: 18px;
}

#comparison-result {
    background: var(--demo-card-bg);
    color: var(--demo-text);
    margin-top: 20px;
}

/* 演示 5：精确 vs 近似对比 */
#exact-vs-approx {
    margin: 30px 0;
    padding: 25px;
    background: var(--demo-bg);
    border-radius: 8px;
    border: 2px solid #3498db;
}

@media (prefers-color-scheme: dark) {
    #exact-vs-approx {
        border-color: #5dade2;
    }
}

#exact-vs-approx h4 {
    color: var(--demo-text);
    margin-top: 0;
    text-align: center;
}

.comparison-controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 25px;
}

.param-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.param-group label {
    flex: 1;
    color: var(--demo-text);
    font-weight: 500;
}

.param-group input[type="range"] {
    flex: 2;
    min-width: 200px;
}

.param-group span {
    min-width: 40px;
    text-align: center;
    font-weight: 600;
    color: var(--demo-text);
    background: var(--demo-card-bg);
    padding: 5px 10px;
    border-radius: 4px;
}

.comparison-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.result-card {
    background: var(--demo-card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--demo-shadow);
    text-align: center;
}

.result-card h5 {
    color: var(--demo-text);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1em;
    border-bottom: 2px solid #3498db;
    padding-bottom: 8px;
}

@media (prefers-color-scheme: dark) {
    .result-card h5 {
        border-bottom-color: #5dade2;
    }
}

.result-card.highlight {
    border: 2px solid #f39c12;
}

@media (prefers-color-scheme: dark) {
    .result-card.highlight {
        border-color: #f39c12;
    }
}

.result-value {
    font-size: 2em;
    font-weight: bold;
    color: #3498db;
    margin: 10px 0;
}

@media (prefers-color-scheme: dark) {
    .result-value {
        color: #5dade2;
    }
}

.result-desc {
    font-size: 0.9em;
    color: var(--demo-text);
    opacity: 0.8;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-results {
        grid-template-columns: 1fr;
    }
    
    #distributionChart {
        width: 100%;
        height: auto;
    }
    
    #distribution-demo,
    #scenario-comparator,
    #exact-vs-approx {
        padding: 15px;
    }
    
    .param-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .param-group input[type="range"] {
        width: 100%;
    }
}