/* 自定义样式 */
:root {
    --primary-green: #2c5234;
    --light-green: #52b788;
    --pale-green: #95d5b2;
    --very-pale-green: #b7e4c7;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --danger-color: #dc3545;
}

/* 全局样式优化 */
body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
    background: linear-gradient(45deg, var(--primary-green), var(--light-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 8px;
    margin: 0 2px;
}

.nav-link:hover {
    background-color: rgba(44, 82, 52, 0.1);
    transform: translateY(-1px);
}

.nav-link.active {
    background-color: var(--primary-green);
    color: white !important;
}

/* 卡片样式优化 */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.card-header {
    background: linear-gradient(135deg, rgba(44, 82, 52, 0.05), rgba(82, 183, 136, 0.05));
    border-bottom: 1px solid rgba(44, 82, 52, 0.1);
    font-weight: 600;
}

/* 统计卡片特殊样式 */
.stat-card {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* 按钮样式 */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    border: none;
    border-radius: 25px;
    padding: 10px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(44, 82, 52, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 82, 52, 0.4);
    background: linear-gradient(135deg, #1e3a26, var(--primary-green));
}

.btn-outline-primary {
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-green);
    transform: translateY(-1px);
}

/* 表单控件样式 */
.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 0.2rem rgba(44, 82, 52, 0.25);
}

/* 徽章样式 */
.badge {
    border-radius: 12px;
    padding: 6px 12px;
    font-weight: 600;
    font-size: 0.75em;
}

.bg-success {
    background: linear-gradient(135deg, var(--success-color), #34ce57) !important;
}

.bg-warning {
    background: linear-gradient(135deg, var(--warning-color), #ffda44) !important;
}

.bg-info {
    background: linear-gradient(135deg, var(--info-color), #3dd5f3) !important;
}

/* 地图样式 */
#map, #preview-map, #main-map, #modal-species-map {
    border-radius: 15px;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.1);
}

/* 物种卡片样式 */
.species-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border-left: 4px solid transparent;
}

.species-card:hover {
    border-left-color: var(--primary-green);
    transform: translateX(5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* 表格样式优化 */
.table {
    border-radius: 10px;
    overflow: hidden;
}

.table-dark {
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
}

.table-hover tbody tr:hover {
    background-color: rgba(44, 82, 52, 0.05);
    transform: scale(1.01);
    transition: all 0.2s ease;
}

/* 加载动画 */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
}

/* 进度条样式 */
.progress {
    border-radius: 10px;
    background-color: rgba(0,0,0,0.05);
    overflow: hidden;
}

.progress-bar {
    transition: width 0.6s ease;
}

/* 模态框样式 */
.modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
    background: linear-gradient(135deg, rgba(44, 82, 52, 0.05), rgba(82, 183, 136, 0.05));
    border-bottom: 1px solid rgba(44, 82, 52, 0.1);
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
}

/* 警告框样式 */
.alert {
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.alert-success {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(52, 206, 87, 0.1));
    color: var(--success-color);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 218, 68, 0.1));
    color: #856404;
}

.alert-info {
    background: linear-gradient(135deg, rgba(23, 162, 184, 0.1), rgba(61, 213, 243, 0.1));
    color: var(--info-color);
}

/* 页脚样式 */
footer {
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(10px);
    margin-top: auto;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .species-card:hover {
        transform: none;
        border-left-color: transparent;
    }
    
    .table-responsive {
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
}

/* 图表容器优化 */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-green);
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}