/* ==================== 甘果智链全局样式 ==================== */
:root {
    --primary-blue: #0066CC;
    --primary-red: #D9251D;
    --accent-orange: #FF9500;
    --bg-light: #F5F7FA;
    --text-dark: #333333;
    --border-light: #e2e8f0;
    --shadow: 0 4px 12px rgba(0,0,0,0.05);
    --success-green: #10b981;
}

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

body {
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.5;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* 页面主体避让顶部固定导航栏 */
.main-content {
    padding-top: 60px;
}

/* 通用容器 */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 16px;
}

/* 卡片通用样式 */
.card {
    background: white;
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

/* 按钮通用样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 40px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--primary-blue);
    color: var(--primary-blue);
}

.btn-block {
    display: block;
    width: 100%;
}

.btn:disabled {
    background: #94a3b8;
    cursor: not-allowed;
}

.btn:active {
    transform: scale(0.98);
}

/* 表单通用样式 */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--border-light);
    border-radius: 12px;
    font-size: 1rem;
    background: white;
    transition: border 0.2s;
}

.form-control:focus {
    border-color: var(--primary-blue);
    outline: none;
}

.form-control.error {
    border-color: var(--primary-red);
}

.error-hint {
    color: var(--primary-red);
    font-size: 0.75rem;
    margin-top: 4px;
    min-height: 18px;
}

/* Toast 提示 */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-dark);
    color: white;
    padding: 12px 24px;
    border-radius: 40px;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s;
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
}

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

/* 骨架屏 */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 12px;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}