/**
 * 前端用户页面样式
 * 按照 Arco Design 设计标准
 */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 480px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    padding: 48px 32px;
    text-align: center;
}

.logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, #165dff 0%, #4080ff 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 36px;
    font-weight: bold;
}

.title {
    font-size: 24px;
    font-weight: 600;
    color: #1d2129;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 14px;
    color: #86909c;
    margin-bottom: 40px;
}

.button-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.nav-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 16px 24px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-button:hover {
    transform: translateY(-2px);
}

.nav-button .icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-button .icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.nav-button .text {
    flex: 1;
    text-align: left;
}

.nav-button .arrow {
    width: 16px;
    height: 16px;
    opacity: 0.5;
    transition: all 0.2s ease;
}

.nav-button:hover .arrow {
    opacity: 1;
    transform: translateX(4px);
}

.footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid #e5e6eb;
}

.footer-text {
    font-size: 12px;
    color: #86909c;
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e5e6eb;
    border-top-color: #165dff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 错误提示 */
.error-message {
    padding: 16px;
    background: #fff2f0;
    border: 1px solid #ffccc7;
    border-radius: 8px;
    color: #f53f3f;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 480px) {
    body {
        padding: 16px;
        background: #ffffff;
    }
    
    .container {
        box-shadow: none;
        padding: 32px 20px;
    }
    
    .title {
        font-size: 20px;
    }
    
    .nav-button {
        padding: 14px 20px;
        font-size: 15px;
    }
}

/* 图标样式 */
.icon-link::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231d2129'%3E%3Cpath d='M12.586 4.586a2 2 0 112.828 2.828l-3 3a2 2 0 01-2.828 0 1 1 0 00-1.414 1.414 4 4 0 005.656 0l3-3a4 4 0 00-5.656-5.656l-1.5 1.5a1 1 0 101.414 1.414l1.5-1.5zm-5 5a2 2 0 012.828 0 1 1 0 101.414-1.414 4 4 0 00-5.656 0l-3 3a4 4 0 105.656 5.656l1.5-1.5a1 1 0 10-1.414-1.414l-1.5 1.5a2 2 0 11-2.828-2.828l3-3z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.icon-help::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231d2129'%3E%3Cpath fill-rule='evenodd' d='M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-8-3a1 1 0 00-.867.5 1 1 0 11-1.731-1A3 3 0 0113 8a3.001 3.001 0 01-2 2.83V11a1 1 0 11-2 0v-1a1 1 0 011-1 1 1 0 100-2zm0 8a1 1 0 100-2 1 1 0 000 2z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.icon-mail::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231d2129'%3E%3Cpath d='M2.003 5.884L10 9.882l7.997-3.998A2 2 0 0016 4H4a2 2 0 00-1.997 1.884z'/%3E%3Cpath d='M18 8.118l-8 4-8-4V14a2 2 0 002 2h12a2 2 0 002-2V8.118z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}