/* ============================================================================
   全局响应式样式表 (style.css)
   ============================================================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--bg-page);
    -webkit-font-smoothing: antialiased;
}

/* ============================================================================
   页面布局结构
   ============================================================================ */

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--bg-page);
}

.app-header {
    background-color: var(--bg-section);
    border-bottom: 2px solid var(--border-color);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.header-title {
    margin-bottom: var(--spacing-lg);
}

.header-title h1 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: 1px;
}

.header-title .subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.mode-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.mode-selector label {
    font-weight: 600;
    color: var(--color-gray);
}

.playback-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.playback-controls label {
    font-weight: 600;
    color: var(--color-gray);
}

.speed-select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-section);
    color: var(--color-dark);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.time-display {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    min-width: 150px;
    text-align: center;
}

.time-display span {
    font-weight: bold;
    color: var(--color-primary);
}

.main-content {
    flex: 1;
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    overflow: hidden;
}

.farm-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-section);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.farm-canvas-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    padding: var(--spacing-lg);
    position: relative;
}

.farm-canvas {
    max-width: 100%;
    max-height: 100%;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-overlay);
    border-top: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
}

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

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

.legend-color.drone {
    background-color: var(--color-secondary);
}

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

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

/* ============================================================================
   右侧信息面板
   ============================================================================ */

.info-panel {
    width: 340px;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-section);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    flex-shrink: 0;
}

.quick-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-overlay);
}

.demo-buttons-group {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-overlay);
}

.demo-buttons-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.demo-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.btn-demo {
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary-dark);
    padding: var(--spacing-sm) var(--spacing-md);
    width: 100%;
    font-size: var(--font-size-sm);
    text-align: center;
}

.nav-btn {
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    cursor: pointer;
    border-left: 4px solid transparent;
    transition: all var(--transition-base);
    position: relative;
    border-radius: 8px;
    margin-bottom: var(--spacing-xs);
}

.nav-btn::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
    transform: scaleY(0);
    transition: transform var(--transition-base);
}

.nav-btn:hover {
    background: linear-gradient(90deg, rgba(34, 197, 94, 0.08), transparent);
    color: var(--color-primary);
}

.nav-btn.active {
    background: linear-gradient(90deg, rgba(34, 197, 94, 0.15), transparent);
    color: var(--color-primary);
    font-weight: 600;
    border-left-color: var(--color-primary);
}

.nav-btn.active::before {
    transform: scaleY(1);
}

.cards-container {
    flex: 1;
    position: relative;
    padding: var(--spacing-md);
    overflow: hidden;
}

.cards-container > * {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    bottom: var(--spacing-md);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    z-index: 1;
    transform: translateY(8px);
    transition: opacity 0.3s ease, visibility 0s linear 0.3s, transform 0.3s ease;
}

.cards-container > .active {
    opacity: 1;
    visibility: visible;
    z-index: 10;
    transform: translateY(0);
    transition: opacity 0.3s ease, visibility 0s linear 0s, transform 0.3s ease;
}

.cards-container::-webkit-scrollbar {
    width: 6px;
}

.cards-container::-webkit-scrollbar-track {
    background: transparent;
}

.cards-container::-webkit-scrollbar-thumb {
    background: var(--color-light);
    border-radius: 3px;
}

.cards-container::-webkit-scrollbar-thumb:hover {
    background: var(--border-color);
}

/* ============================================================================
   信息卡片组件
   ============================================================================ */

.info-card {
    background: linear-gradient(135deg, var(--bg-section) 0%, rgba(255, 255, 255, 0.5) 100%);
    border: 1px solid var(--border-color);
    border-left: 5px solid transparent;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.info-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.info-card.active {
    display: block;
}

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

.info-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-overview {
    border-left-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.02) 0%, rgba(34, 197, 94, 0.01) 100%);
}

.card-overview h3 {
    color: var(--color-primary);
}

.card-soil {
    border-left-color: var(--color-secondary);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.02) 0%, rgba(6, 182, 212, 0.01) 100%);
}

.card-soil h3 {
    color: var(--color-secondary);
}

.card-crops {
    border-left-color: #84cc16;
    background: linear-gradient(135deg, rgba(132, 204, 22, 0.02) 0%, rgba(132, 204, 22, 0.01) 100%);
}

.card-crops h3 {
    color: #84cc16;
}

.card-drone {
    border-left-color: #f97316;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.02) 0%, rgba(249, 115, 22, 0.01) 100%);
}

.card-drone h3 {
    color: #f97316;
}

.card-irrigation {
    border-left-color: var(--color-secondary-light);
    background: linear-gradient(135deg, rgba(103, 232, 249, 0.02) 0%, rgba(103, 232, 249, 0.01) 100%);
}

.card-irrigation h3 {
    color: var(--color-secondary-light);
}

.card-robot {
    border-left-color: #fb923c;
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.02) 0%, rgba(251, 146, 60, 0.01) 100%);
}

.card-robot h3 {
    color: #fb923c;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.stat-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.stat-label {
    font-weight: 600;
    color: var(--color-gray);
    min-width: 90px;
    flex-shrink: 0;
}

.stat-value {
    color: var(--color-dark);
    font-weight: 600;
    flex: 1;
}

.stat-value.warning {
    color: var(--color-danger);
}

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

/* ============================================================================
   进度条组件
   ============================================================================ */

.progress-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.progress-fill {
    flex: 1;
    height: 10px;
    background: linear-gradient(90deg, var(--color-light) 0%, #f0f0f0 100%);
    border-radius: 5px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    transition: width var(--transition-base);
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.4);
}

.progress-text {
    font-size: var(--font-size-xs);
    color: var(--color-gray);
    min-width: 35px;
    text-align: right;
    font-weight: 600;
}

/* ============================================================================
   徽章组件
   ============================================================================ */

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-right: var(--spacing-xs);
    transition: all var(--transition-base);
}

.badge-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-success:hover {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.25), rgba(16, 185, 129, 0.1));
}

.badge-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-warning:hover {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.25), rgba(245, 158, 11, 0.1));
}

.badge-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(239, 68, 68, 0.05));
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-danger:hover {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.25), rgba(239, 68, 68, 0.1));
}

.badge-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(59, 130, 246, 0.05));
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-info:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(59, 130, 246, 0.1));
}

/* ============================================================================
   作物信息组件
   ============================================================================ */

.crop-item {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.crop-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.crop-name {
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.crop-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.crop-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray);
    min-width: 50px;
}

/* ============================================================================
   按钮组件
   ============================================================================ */

.button-group {
    display: flex;
    gap: var(--spacing-sm);
}

.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-mode {
    background-color: var(--color-light);
    color: var(--color-gray);
    border-color: var(--border-color);
}

.btn-mode:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-mode.active {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-color: var(--color-primary-dark);
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4);
}

.btn-icon {
    background-color: var(--color-light);
    color: var(--color-dark);
    border-color: var(--border-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.btn-icon:hover {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
    border-color: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-control {
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-color: var(--color-primary-dark);
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.btn-control:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-demo {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
    border-color: var(--color-secondary-dark);
}

.btn-demo:hover {
    background: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-secondary) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================================================
   控制面板
   ============================================================================ */

.control-panel {
    flex: 1;
    display: none;
    flex-direction: column;
    overflow-y: auto;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-overlay);
}

.control-panel h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.control-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ============================================================================
   页脚
   ============================================================================ */

.app-footer {
    background-color: var(--bg-section);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

/* ============================================================================
   响应式设计
   ============================================================================ */

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
    .main-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .info-panel {
        width: 100%;
        max-height: 400px;
    }
    
    .header-controls {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
}

/* 手机设备 (< 768px) */
@media (max-width: 768px) {
    .app-header {
        padding: var(--spacing-md);
    }
    
    .header-title h1 {
        font-size: var(--font-size-xl);
    }
    
    .header-title .subtitle {
        font-size: var(--font-size-xs);
    }
    
    .main-content {
        padding: var(--spacing-md);
        flex-direction: column;
    }
    
    .info-panel {
        width: 100%;
        max-height: 300px;
    }
    
    .quick-nav {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xs);
        padding: var(--spacing-sm);
    }
    
    .nav-btn {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
        text-align: center;
        border-left: none;
        border-bottom: 3px solid transparent;
    }
    
    .nav-btn.active {
        border-left: none;
        border-bottom-color: var(--color-primary);
    }
}

/* ============================================================================
   动画与过渡
   ============================================================================ */

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ============================================================================
   工具类
   ============================================================================ */

.hidden {
    display: none !important;
}

.invisible {
    visibility: hidden;
}

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

.text-right {
    text-align: right;
}

.font-bold {
    font-weight: 700;
}

.font-semibold {
    font-weight: 600;
}

.text-primary {
    color: var(--color-primary);
}

.text-secondary {
    color: var(--color-secondary);
}

.text-warning {
    color: var(--color-warning);
}

.text-danger {
    color: var(--color-danger);
}