/* Java IO�ub(7 */

/* h<7 */
.table-standard {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.table-standard th {
    background: #f8f9fa;
    border: 1px solid #ddd;
    padding: 0.5rem;
}

.table-standard td {
    border: 1px solid #ddd;
    padding: 0.5rem;
}

/* A��h */
.flow-diagram {
    background: #e3f2fd;
    border: 2px solid #2196F3;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.flow-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.flow-item .emoji {
    font-size: 3rem;
}

.flow-arrow {
    font-size: 2rem;
}

/* IOAB!ӄ7 */
.io-hierarchy {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
    font-family: 'Courier New', monospace;
}

.hierarchy-section {
    margin-bottom: 1.5rem;
}

.input-stream-title {
    color: #0066cc;
}

.output-stream-title {
    color: #cc6600;
}

.reader-title {
    color: #009933;
}

.writer-title {
    color: #9900cc;
}

.hierarchy-branch {
    margin-left: 2rem;
    border-left: 2px solid;
    padding-left: 1rem;
}

.hierarchy-item {
    margin-bottom: 0.5rem;
}

.input-stream-branch {
    border-left-color: #0066cc;
}

.output-stream-branch {
    border-left-color: #cc6600;
}

.reader-branch {
    border-left-color: #009933;
}

.writer-branch {
    border-left-color: #9900cc;
}

.stream-code {
    background: #e3f2fd;
    padding: 2px 6px;
    border-radius: 3px;
}

.output-stream-code {
    background: #fff3e0;
}

.reader-code {
    background: #e8f5e8;
}

.writer-code {
    background: #f3e5f5;
}

/* �'�a{�h */
.abstract-classes {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    text-align: center;
}

.classes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.class-card {
    border-radius: 6px;
    padding: 1rem;
}

.input-stream-card {
    background: #e3f2fd;
}

.output-stream-card {
    background: #fff3e0;
}

.reader-card {
    background: #e8f5e8;
}

.writer-card {
    background: #f3e5f5;
}

.class-title {
    margin: 0 0 0.5rem 0;
}

.input-stream-title {
    color: #1976D2;
}

.output-stream-title {
    color: #F57C00;
}

.reader-title {
    color: #388E3C;
}

.writer-title {
    color: #7B1FA2;
}

.class-name {
    font-size: 1.2rem;
}

.class-description {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

/* �(:oQ< */
.scenarios-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.scenario-card {
    border-radius: 6px;
    padding: 1rem;
}

.byte-stream-card {
    background: #e3f2fd;
}

.char-stream-card {
    background: #e8f5e8;
}

/* 	Q< */
.three-column-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.text-io-card {
    background: #e3f2fd;
}

.binary-io-card {
    background: #fff3e0;
}

.object-io-card {
    background: #e8f5e8;
}

.card-title {
    color: #1976D2;
    margin: 0 0 0.5rem 0;
}

.binary-title {
    color: #F57C00;
}

.object-title {
    color: #388E3C;
}

.card-paragraph {
    font-size: 0.9rem;
    margin: 0.5rem 0;
}

/* �V�h */
.decision-tree {
    background: #f0f8ff;
    border: 2px solid #4682B4;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
}

.decision-paragraph {
    margin: 0 0 0.5rem 0;
}

.decision-list {
    margin: 0 0 0.5rem 0;
    padding-left: 1.5rem;
}

.decision-list-last {
    margin: 0;
    padding-left: 1.5rem;
}

/* �A�� */
.buffer-comparison {
    background: #e3f2fd;
    border: 2px solid #2196F3;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.comparison-title {
    margin-top: 0;
}

.two-column-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.comparison-card {
    background: white;
    border-radius: 6px;
    padding: 1rem;
}

.no-buffer-title {
    color: #f44336;
    margin-top: 0;
}

.buffer-title {
    color: #4CAF50;
    margin-top: 0;
}

.comparison-description {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.center-content {
    text-align: center;
}

.large-emoji {
    font-size: 2rem;
}

.small-text {
    font-size: 0.8rem;
}

.medium-text {
    font-size: 1.2rem;
    text-align: center;
}

/* fJF7 */
.warning-box {
    background: #fff3e0;
    border-left: 4px solid #FF9800;
    padding: 1rem;
    margin: 1rem 0;
}

.error-box {
    background: #ffebee;
    border-left: 4px solid #f44336;
    padding: 1rem;
    margin: 1rem 0;
}

.success-box {
    background: #e8f5e8;
    border-left: 4px solid #4CAF50;
    padding: 1rem;
    margin: 1rem 0;
}

.box-title {
    margin-top: 0;
}

/* 树状结构样式 */
.tree-container {
    font-family: 'Courier New', monospace;
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.tree-node {
    margin-bottom: 0.3rem;
    line-height: 1.4;
}

.tree-root {
    font-weight: bold;
    color: #333;
    font-size: 1.1rem;
}

.tree-description {
    color: #666;
    font-style: italic;
    margin-left: 0.5rem;
}

.tree-children {
    margin-left: 1rem;
    margin-top: 0.5rem;
}

.tree-connector {
    color: #666;
    font-weight: bold;
    user-select: none;
}

.tree-desc {
    color: #555;
    margin-left: 0.5rem;
    font-size: 0.9rem;
}

/* WS'��{ */
.font-size-3rem {
    font-size: 3rem;
}

.font-size-2rem {
    font-size: 2rem;
}

.font-size-1-2rem {
    font-size: 1.2rem;
}

.font-size-0-9rem {
    font-size: 0.9rem;
}

.font-size-0-8rem {
    font-size: 0.8rem;
}

/* �݅�{ */
.margin-bottom-1-5rem {
    margin-bottom: 1.5rem;
}

.margin-bottom-1rem {
    margin-bottom: 1rem;
}

.margin-bottom-0-5rem {
    margin-bottom: 0.5rem;
}

.margin-right-0 {
    margin-right: 0;
}

.padding-left-1-2rem {
    padding-left: 1.2rem;
}

.padding-left-1-5rem {
    padding-left: 1.5rem;
}

/* ���n */
.margin-0 {
    margin: 0;
}

/* h7�n */
.list-reset {
    margin: 0;
    padding-left: 1.2rem;
}

/* ͔t */
@media (max-width: 768px) {
    .classes-grid,
    .scenarios-grid,
    .two-column-grid {
        grid-template-columns: 1fr;
    }

    .three-column-grid {
        grid-template-columns: 1fr;
    }

    .flow-container {
        flex-direction: column;
        gap: 1rem;
    }

    .concept-box div[style*="display: flex"] {
        flex-direction: column;
    }

    .concept-box {
        padding: 1rem;
    }

    .exercise-box {
        padding: 1rem;
    }

    .example-box {
        padding: 1rem;
    }

    .example-box div[style*="display: flex"] {
        flex-direction: column;
    }
}

/* 额外的样式类 */
.white-card {
    background: white;
    border-radius: 6px;
    padding: 1rem;
}

.center-arrow {
    font-size: 1.2rem;
    text-align: center;
}

.comparison-subtitle {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* 概念框样式 */
.concept-box {
    background: #fafafa;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.concept-box h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: #424242;
}

/* 练习框样式 */
.exercise-box {
    background: #e3f2fd;
    border: 2px solid #2196f3;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.exercise-box h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: #1565c0;
}

.exercise-box details {
    margin-top: 1rem;
}

.exercise-box details[open] summary {
    border-bottom: 1px solid #2196f3;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.exercise-box pre {
    margin: 0;
    border-radius: 0 0 4px 4px;
}

/* 示例框样式 */
.example-box {
    background: #fafafa;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.example-box h4 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: #424242;
}