/* 智慧农业大棚物联网云平台 - 样式表 */
/* 农业绿色系配色 + 响应式设计 */

:root {
    --primary-green: #2E7D32;
    --light-green: #4CAF50;
    --dark-green: #1B5E20;
    --accent-green: #66BB6A;
    --bg-light: #F1F8E9;
    --bg-white: #FFFFFF;
    --text-dark: #263238;
    --text-light: #546E7A;
    --border-color: #C8E6C9;
    --shadow: rgba(46, 125, 50, 0.1);
    --warning: #FF9800;
    --error: #F44336;
    --success: #4CAF50;
    --info: #2196F3;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #F1F8E9 0%, #E8F5E9 100%);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* 头部样式 */
.header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 4px 12px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    font-size: 2.5rem;
    color: var(--accent-green);
    animation: leafFloat 3s ease-in-out infinite;
}

@keyframes leafFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.logo-section h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

/* 选项卡导航 */
.tabs-nav {
    display: flex;
    gap: 0.5rem;
}

.tab-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: white;
    color: var(--primary-green);
    border-color: white;
}

.tab-btn i {
    font-size: 1.2rem;
}

/* 主要内容区域 */
.main-content {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.section-header h2 i {
    margin-right: 0.5rem;
}

.section-desc {
    color: var(--text-light);
    font-size: 1rem;
}

/* 实时监控选项卡 */
.monitor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.sensor-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px var(--shadow);
    transition: all 0.3s ease;
    border-left: 4px solid var(--light-green);
}

.sensor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px var(--shadow);
}

.sensor-card.warning {
    border-left-color: var(--warning);
}

.sensor-card.error {
    border-left-color: var(--error);
}

.sensor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.sensor-header h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
}

.status-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-badge.normal {
    background: var(--bg-light);
    color: var(--success);
}

.status-badge.warning {
    background: #FFF3E0;
    color: var(--warning);
}

.sensor-data {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.data-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.data-label {
    font-size: 0.9rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.data-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
}

/* 智能管网铺设选项卡 */
.network-container {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px var(--shadow);
}

/* 背景条件 */
.network-conditions {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 10px;
    border-left: 4px solid var(--light-green);
}

.network-conditions h3 {
    color: var(--primary-green);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.conditions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.condition-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.condition-item:hover {
    transform: translateX(5px);
    box-shadow: 0 2px 8px var(--shadow);
}

.condition-item i {
    font-size: 1.5rem;
    color: var(--light-green);
    margin-top: 0.2rem;
}

.condition-item strong {
    display: block;
    color: var(--text-dark);
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.condition-item span {
    display: block;
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.5;
}

.network-canvas-wrapper h4 {
    color: var(--primary-green);
    font-size: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.network-placeholder {
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
    background: var(--bg-light);
    border-radius: 10px;
}

.placeholder-content .generate-hint {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.8;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.placeholder-content .generate-hint i {
    color: var(--warning);
    font-size: 1.2rem;
}

.generate-btn {
    background: linear-gradient(135deg, var(--light-green) 0%, var(--accent-green) 100%);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.generate-btn:active {
    transform: translateY(0);
}

.generate-btn i {
    font-size: 1.2rem;
}

.network-result {
    animation: fadeIn 0.5s ease;
}

.network-actions {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.reset-network-btn {
    background: #F5F5F5;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.reset-network-btn:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.network-info-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
    border-left: 4px solid var(--light-green);
}

.info-item.success {
    background: linear-gradient(135deg, #E8F5E9 0%, #C8E6C9 100%);
    border-left-color: var(--success);
}

.info-item i {
    font-size: 2rem;
    color: var(--light-green);
}

.info-item strong {
    display: block;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.info-item span {
    display: block;
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 700;
}

.network-canvas-wrapper {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
    padding: 1rem;
    background: #FAFAFA;
    border-radius: 10px;
}

#networkCanvas {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
    max-width: 100%;
    height: auto;
}

.pipeline-list {
    margin-top: 2rem;
}

.pipeline-list h3 {
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.pipeline-list ul {
    list-style: none;
    padding: 0;
}

.pipeline-list li {
    padding: 0.8rem 1rem;
    background: var(--bg-light);
    margin-bottom: 0.5rem;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.pipeline-list li:hover {
    background: var(--border-color);
    transform: translateX(5px);
}

.pipe-label {
    font-weight: 600;
    color: var(--light-green);
    margin-right: 0.5rem;
}

.pipe-length {
    background: var(--light-green);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-weight: 600;
}

.total-length {
    margin-top: 1.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--light-green) 0%, var(--accent-green) 100%);
    color: white;
    border-radius: 10px;
    text-align: center;
    font-size: 1.2rem;
}

.total-length .highlight {
    font-size: 1.8rem;
    font-weight: 700;
    margin-left: 0.5rem;
}

/* 算法演示选项卡 */
.algorithm-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
}

/* 排序管道列表 */
.sorted-edges-panel {
    background: var(--bg-light);
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.sorted-edges-panel h4 {
    color: var(--primary-green);
    font-size: 1rem;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sorted-edges-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.edge-item {
    background: white;
    padding: 0.5rem 0.8rem;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: default;
}

.edge-item .edge-nodes {
    font-weight: 600;
    color: var(--text-dark);
}

.edge-item .edge-length {
    color: var(--text-light);
    margin-left: 0.3rem;
}

.edge-item.current {
    background: #FFF9C4;
    border-color: #FDD835;
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(253, 216, 53, 0.3);
}

.edge-item.selected {
    background: #E8F5E9;
    border-color: var(--light-green);
}

.edge-item.skipped {
    background: #FFF3E0;
    border-color: var(--warning);
    opacity: 0.7;
}

.edge-item.pending {
    opacity: 0.5;
}

.visualization-panel {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px var(--shadow);
}

.algo-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.algo-tab-btn {
    flex: 1;
    padding: 0.8rem 1rem;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.algo-tab-btn:hover {
    background: var(--border-color);
}

.algo-tab-btn.active {
    background: var(--light-green);
    color: white;
    border-color: var(--light-green);
}

.canvas-container {
    display: flex;
    justify-content: center;
    padding: 1rem;
    background: #FAFAFA;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

#algoCanvas {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
    max-width: 100%;
    height: auto;
}

.control-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.control-btn {
    padding: 0.8rem 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.reset-btn {
    background: #F5F5F5;
    color: var(--text-dark);
}

.reset-btn:hover {
    background: #E0E0E0;
}

.step-btn {
    background: var(--info);
    color: white;
}

.step-btn:hover {
    background: #1976D2;
}

.auto-btn {
    background: var(--light-green);
    color: white;
}

.auto-btn:hover {
    background: var(--primary-green);
}

.compare-btn {
    background: var(--warning);
    color: white;
}

.compare-btn:hover {
    background: #F57C00;
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
}

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

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

.stat-value {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-green);
}

/* 右侧步骤面板 */
.steps-panel {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px var(--shadow);
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 120px);
    display: flex;
    flex-direction: column;
}

.steps-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.steps-header h3 {
    color: var(--primary-green);
    font-size: 1.1rem;
}

.step-count {
    background: var(--light-green);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.steps-content {
    flex: 1;
    overflow-y: auto;
}

.placeholder-text {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-light);
}

.placeholder-text i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--border-color);
}

.step-item {
    padding: 0.8rem;
    margin-bottom: 0.8rem;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--border-color);
    transition: all 0.3s ease;
}

.step-item.active {
    background: linear-gradient(135deg, #E8F5E9 0%, #C8E6C9 100%);
    border-left-color: var(--light-green);
    transform: translateX(5px);
}

.step-item.completed {
    opacity: 0.7;
}

.step-item.skipped {
    background: #FFF3E0;
    border-left-color: var(--warning);
}

.step-number {
    display: inline-block;
    width: 24px;
    height: 24px;
    background: var(--light-green);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 24px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-right: 0.5rem;
}

.step-item.skipped .step-number {
    background: var(--warning);
}

.step-desc {
    font-size: 0.95rem;
    color: var(--text-dark);
    line-height: 1.5;
}

.step-edge {
    display: inline-block;
    background: var(--light-green);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
    margin: 0 0.2rem;
}

/* 性能对比弹窗 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-btn {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: var(--text-dark);
}

.modal-content h2 {
    color: var(--primary-green);
    margin-bottom: 1.5rem;
}

.compare-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.compare-card {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 1.5rem;
    border: 2px solid var(--border-color);
}

.compare-card.optimal {
    background: linear-gradient(135deg, #E8F5E9 0%, #F1F8E9 100%);
    border-color: var(--success);
}

.compare-card.random {
    background: linear-gradient(135deg, #FFF3E0 0%, #FFECB3 100%);
    border-color: var(--warning);
}

.compare-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.compare-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.compare-item .label {
    color: var(--text-light);
    font-size: 0.9rem;
}

.compare-item .value {
    font-weight: 600;
    color: var(--text-dark);
}

.compare-item .value.highlight {
    color: var(--success);
    font-size: 1.1rem;
}

.compare-item .value.success {
    color: var(--success);
}

.compare-item .value.warning {
    color: var(--warning);
}

.compare-item .value.error {
    color: var(--error);
}

.compare-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.compare-desc i {
    margin-right: 0.5rem;
}

.conclusion-box {
    background: linear-gradient(135deg, var(--light-green) 0%, var(--accent-green) 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 12px;
}

.conclusion-box h4 {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.conclusion-box p {
    line-height: 1.8;
    font-size: 0.95rem;
}

.conclusion-box .highlight {
    background: rgba(255, 255, 255, 0.3);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 700;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .algorithm-container {
        grid-template-columns: 1fr;
    }
    
    .steps-panel {
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        text-align: center;
    }
    
    .tabs-nav {
        flex-direction: column;
        width: 100%;
    }
    
    .tab-btn {
        width: 100%;
        justify-content: center;
    }
    
    .logo-section h1 {
        font-size: 1.2rem;
    }
    
    .monitor-grid {
        grid-template-columns: 1fr;
    }
    
    .network-info-box {
        grid-template-columns: 1fr;
    }
    
    .control-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .result-stats {
        grid-template-columns: 1fr;
    }
    
    .compare-grid {
        grid-template-columns: 1fr;
    }
    
    .main-content {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .sensor-data {
        grid-template-columns: 1fr;
    }
    
    .control-buttons {
        grid-template-columns: 1fr;
    }
}