/* AI小说写作助手 - 完整登录页面样式 */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
}

/* 加载动画 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

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

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-overlay.hidden {
    display: none;
}

/* 认证页面布局 */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    margin-bottom: 20px;
}

.logo-img {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
}

.logo-text {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.auth-subtitle {
    color: #666;
    font-size: 14px;
}

/* 表单样式 */
.auth-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.input-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    background: #fff;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 16px;
}

.input-group .form-input {
    padding-left: 40px;
}

.input-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    font-size: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #666;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 8px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #667eea;
    color: white;
}

.btn:hover {
    background: #5a6fd8;
    transform: translateY(-1px);
}

.btn-primary {
    background: #667eea;
}

.btn-primary:hover {
    background: #5a6fd8;
}

.btn-full {
    width: 100%;
}

/* 警告框 */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
}

.alert-error {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
}

.alert-success {
    background: #efe;
    border: 1px solid #cfc;
    color: #363;
}

.alert-info {
    background: #e7f3ff;
    border: 1px solid #b3d9ff;
    color: #0066cc;
}

/* 图标 */
.icon-alert::before { content: "⚠️"; }
.icon-user::before { content: "👤"; }
.icon-lock::before { content: "🔒"; }
.icon-eye::before { content: "👁️"; }
.icon-eye-off::before { content: "🙈"; }
.icon-login::before { content: "🔐"; }

/* 页脚 */
.auth-footer {
    text-align: center;
    margin-top: 20px;
}

.auth-footer p {
    margin-bottom: 10px;
    font-size: 14px;
    color: #666;
}

.auth-link {
    color: #667eea;
    text-decoration: none;
}

.auth-link:hover {
    text-decoration: underline;
}

/* 功能展示 */
.auth-features {
    display: none; /* 在移动端隐藏 */
}

@media (min-width: 768px) {
    .auth-page {
        justify-content: space-between;
        padding: 40px;
    }
    
    .auth-features {
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        max-width: 400px;
    }
    
    .feature-item {
        text-align: center;
        margin-bottom: 40px;
        color: white;
    }
    
    .feature-icon {
        font-size: 48px;
        margin-bottom: 15px;
    }
    
    .feature-item h3 {
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .feature-item p {
        font-size: 14px;
        opacity: 0.9;
    }
}

/* 响应式设计 */
@media (max-width: 480px) {
    .auth-page {
        padding: 10px;
    }
    
    .auth-card {
        padding: 20px;
    }
    
    .logo-text {
        font-size: 20px;
    }
}