/* Neo-Nature Design System */
:root {
    --primary: #2DA664;
    --primary-soft: rgba(45, 166, 100, 0.1);
    --accent: #FFB74D;
    
    --bg-mesh: radial-gradient(circle at 0% 0%, #E6F5EC 0%, #F4F9F6 50%, #FFFDE7 100%);
    --bg-paper: #FAFAF5;
    
    --text-main: #1A3C34;
    --text-sub: #6C8A82;
    
    --glass-card: rgba(255, 255, 255, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.6);
    
    --shadow-float: 0 10px 25px rgba(26, 60, 52, 0.08);
    --shadow-paper: 0 1px 5px rgba(0,0,0,0.05), 0 0 0 1px rgba(0,0,0,0.02);
    
    --radius-lg: 16px;
    --radius-md: 10px;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
}

body {
    background: var(--bg-mesh);
    background-attachment: fixed;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Arial', sans-serif;
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Utilities */
.glass-panel {
    background: var(--glass-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: var(--glass-border);
    box-shadow: var(--shadow-float);
}

/* Shimmer Loading Animation */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton-bg {
    background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Loading Spinner */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-soft);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Toast全局样式 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    to {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
}