/**
 * 内蒙古农产品供应链信息对接平台 - 主要样式
 */

/* 全局变量 */
:root {
    --primary-green: #2E7D32;
    --secondary-green: #4CAF50;
    --accent-green: #81C784;
    --light-green: #E8F5E8;
    --dark-green: #1B5E20;
    --warning-color: #FF9800;
    --success-color: #4CAF50;
    --error-color: #F44336;
    --info-color: #2196F3;
    --text-primary: #212121;
    --text-secondary: #757575;
    --border-color: #E0E0E0;
    --background-color: #F5F5F5;
    --card-shadow: 0 2px 8px rgba(0,0,0,0.1);
    --hover-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: white;
    padding: 0;
    box-shadow: var(--card-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-icon {
    font-size: 2rem;
    margin-right: 0.5rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-item {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item:hover {
    background-color: rgba(255,255,255,0.1);
}

.nav-item.active {
    background-color: rgba(255,255,255,0.2);
    font-weight: bold;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-role {
    padding: 0.5rem;
    border: none;
    border-radius: 4px;
    background-color: rgba(255,255,255,0.2);
    color: white;
    cursor: pointer;
}

.platform-switcher {
    margin-right: 1rem;
}

.platform-btn {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.platform-btn:hover {
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 60, 114, 0.3);
}

.lang-switch {
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-switch:hover {
    background-color: rgba(255,255,255,0.1);
}

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

.page-content {
    display: none;
}

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

/* 驾驶舱样式 */
.dashboard-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    color: var(--primary-green);
    font-size: 1.8rem;
    line-height: 1.35;
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-all;
}

.map-controls {
    display: flex;
    gap: 0.5rem;
}

.map-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background-color: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.map-btn:hover,
.map-btn.active {
    background-color: var(--secondary-green);
    color: white;
    border-color: var(--secondary-green);
}

/* 地图容器 */
.map-section {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
}

.map-container {
    position: relative;
    height: 500px;
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
    border-radius: 8px;
    overflow: hidden;
}

.inner-mongolia-map {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 600"><rect width="800" height="600" fill="%23E3F2FD"/><path d="M100 100 L700 100 L700 500 L100 500 Z" fill="none" stroke="%23BBDEFB" stroke-width="2"/></svg>');
    background-size: cover;
    background-position: center;
}

.city-marker {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.city-marker:hover {
    transform: scale(1.1);
    z-index: 20;
}

.city-marker.supply .marker-icon {
    background-color: var(--success-color);
}

.city-marker.demand .marker-icon {
    background-color: var(--info-color);
}

.city-marker.logistics .marker-icon {
    background-color: var(--warning-color);
}

.marker-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--card-shadow);
    margin-bottom: 4px;
}

.marker-label {
    background-color: rgba(0,0,0,0.8);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
}

.map-legend {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.legend-color.supply {
    background-color: var(--success-color);
}

.legend-color.demand {
    background-color: var(--info-color);
}

.legend-color.logistics {
    background-color: var(--warning-color);
}

/* 指标卡片 */
.indicators-section {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
}

.indicators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.indicator-card {
    background: linear-gradient(135deg, var(--light-green), white);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.indicator-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

.indicator-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.indicator-icon {
    font-size: 1.5rem;
}

.indicator-header h3 {
    font-size: 1rem;
    color: var(--text-secondary);
}

.indicator-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.indicator-trend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    font-size: 0.9rem;
}

.indicator-trend.positive {
    color: var(--success-color);
}

.indicator-trend.negative {
    color: var(--error-color);
}

.trend-arrow {
    font-weight: bold;
}

/* 动态信息区域 */
.dynamics-section {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
}

.dynamics-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.supply-dynamics,
.demand-dynamics {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.supply-dynamics h3,
.demand-dynamics h3 {
    color: var(--primary-green);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dynamics-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dynamic-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: 6px;
    border-left: 4px solid var(--secondary-green);
    transition: all 0.3s ease;
}

.dynamic-item:hover {
    background: white;
    box-shadow: var(--card-shadow);
}

.item-icon {
    font-size: 2rem;
    min-width: 40px;
    text-align: center;
}

.item-content {
    flex: 1;
}

.item-title {
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.item-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.item-location {
    color: var(--info-color);
    font-size: 0.8rem;
}

.item-time {
    color: var(--text-secondary);
    font-size: 0.8rem;
    white-space: nowrap;
}

/* 供需发布页面 */
.supply-demand-container {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
}

.publish-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 1rem 2rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--primary-green);
    border-bottom-color: var(--secondary-green);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.publish-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: bold;
    color: var(--text-primary);
}

.form-control {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-green);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.price-range {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-input {
    flex: 1;
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 6px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

/* 页脚 */
.footer {
    background-color: var(--primary-green);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 3rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--accent-green);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
    color: rgba(255,255,255,0.8);
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
    margin-top: 2rem;
    color: rgba(255,255,255,0.6);
}

@media (max-width: 1100px) {
    .nav-container {
        align-items: flex-start;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .nav-menu {
        order: 3;
        width: 100%;
        gap: 0.5rem;
        overflow-x: auto;
        padding-bottom: 0.25rem;
    }

    .nav-item {
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .section-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .nav-container,
    .main-content,
    .footer-content {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .logo {
        font-size: 1.1rem;
        line-height: 1.35;
    }

    .nav-controls {
        width: 100%;
        justify-content: space-between;
        gap: 0.5rem;
    }

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

    .map-section,
    .indicators-section,
    .dynamics-section,
    .supply-demand-container {
        padding: 1rem;
    }

    .section-header h2 {
        font-size: 1.35rem;
    }

    .map-container {
        height: 380px;
    }

    .map-legend {
        bottom: 12px;
        left: 12px;
        right: auto;
        padding: 0.75rem;
        font-size: 0.85rem;
    }

    .dynamics-container,
    .form-row {
        grid-template-columns: 1fr;
    }

    .publish-tabs,
    .map-controls {
        overflow-x: auto;
        white-space: nowrap;
        width: 100%;
    }

    .tab-btn,
    .map-btn {
        flex: 0 0 auto;
    }

    .dynamic-item {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .item-time {
        width: 100%;
        padding-left: 3.5rem;
    }
}