/* 认证页面背景 */
.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--darker-bg);
    position: relative;
}
.auth-body::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(59,130,246,0.12) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(139,92,246,0.12) 0%, transparent 50%);
}

/* 认证容器 */
.auth-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
    padding: 2rem;
}

/* 认证卡片 */
.auth-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* 头部 */
.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}
.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    margin-bottom: 1.5rem;
}
.auth-logo span {
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.auth-header h2 {
    font-size: 1.6rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}
.auth-header p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* 表单 */
.form-group {
    margin-bottom: 1.2rem;
}
.form-group label {
    display: block;
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.form-group .optional {
    font-size: 0.8rem;
    color: #64748b;
}
.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
    box-sizing: border-box;
}
.form-group input::placeholder {
    color: #475569;
}
.form-group input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
    background: rgba(255,255,255,0.08);
}

/* 按钮 */
.auth-btn {
    width: 100%;
    padding: 0.9rem;
    margin-top: 0.5rem;
    font-size: 1rem;
    border-radius: 10px;
    cursor: pointer;
    border: none;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}
.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59,130,246,0.4);
}
.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 底部链接 */
.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.auth-footer p {
    color: var(--text-gray);
    font-size: 0.9rem;
}
.auth-footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}
.auth-footer a:hover {
    text-decoration: underline;
}

/* 错误提示 */
.form-error {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 0.3rem;
    display: none;
}

/* layer弹窗颜色继承重置 - 解决body全局白色文字影响layer的问题 */
.layui-layer,
.layui-layer-content,
.layui-layer-title {
    color: inherit;
}

.layui-layer-msg {
    color: #333 !important;
}

.layui-layer-msg .layui-layer-content {
    color: #333 !important;
}

/* 响应式 */
@media (max-width: 480px) {
    .auth-container { padding: 1rem; }
    .auth-card { padding: 1.5rem; }
}