/* 认证页面（登录/注册/找回密码）通用样式 */
.auth-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
    padding: 40px 20px;
}
.auth-card {
    background: #fff;
    width: 100%;
    max-width: 420px;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.auth-card h2 {
    margin: 0 0 8px;
    font-size: 24px;
    color: #333;
}
.auth-card .sub {
    font-size: 14px;
    color: #888;
    margin-bottom: 24px;
}
.f-item {
    margin-bottom: 18px;
}
.f-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #444;
}
.f-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.2s;
}
.f-input:focus {
    border-color: #5b4be8;
    outline: none;
}
.f-row {
    display: flex;
    gap: 10px;
}
.f-input.code {
    flex: 1;
}
.f-btn-code {
    background: #f1f5f9;
    color: #475569;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 0 16px;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
}
.f-btn-code:hover {
    background: #e2e8f0;
}
.f-btn-code:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.f-btn {
    width: 100%;
    background: #5b4be8;
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.2s;
}
.f-btn:hover {
    background: #4a3bc7;
}
.f-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}
.f-tip {
    text-align: center;
    font-size: 14px;
    margin-top: 20px;
    color: #666;
}
.f-tip a {
    color: #5b4be8;
    text-decoration: none;
}
.f-err {
    background: #fee2e2;
    color: #dc2626;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.6;
}
.c-pink { color: #e2374c; }
.mt10 { margin-top: 10px; }