/*
 * 登录、注册、首页（PreLogin）等公开页：流式布局，不使用整页缩放与 1280 最小宽度霸屏。
 */

html,
body {
    min-width: 0;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

form#form1 {
    margin: 0;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

/* 窄屏显示「首页」链；宽屏显示完整导航 */
.auth-nav-fallback {
    display: inline-flex !important;
}

.auth-nav-desktop {
    display: none !important;
}

@media (min-width: 768px) {
    .auth-nav-fallback {
        display: none !important;
    }

    .auth-nav-desktop {
        display: flex !important;
    }
}

/* ---------- Login ---------- */
.auth-login-stack {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    box-sizing: border-box;
}

.auth-login-stack .auth-login-nav {
    position: relative;
    flex-shrink: 0;
    z-index: 20;
}

.auth-login-stack .auth-login-footer {
    position: relative;
    flex-shrink: 0;
    margin-top: auto;
    z-index: 20;
}

.auth-login-stack .auth-login-cards-layer {
    position: relative;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 1.5rem 1rem 2rem;
    box-sizing: border-box;
    transform: none;
    top: auto;
    left: auto;
    right: auto;
    pointer-events: auto;
}

.auth-login-stack .auth-login-cards-layer > * {
    pointer-events: auto;
}

@media (min-width: 1024px) {
    .auth-login-stack .auth-login-cards-layer {
        flex-direction: row;
        flex-wrap: nowrap;
        padding: 2rem 1.5rem;
    }

    .auth-hero {
        display: block !important;
        flex: 1 1 42%;
        max-width: 520px;
        width: 100%;
    }

    .auth-form-col {
        flex: 0 1 400px;
        max-width: 420px;
        width: 100% !important;
    }
}

@media (max-width: 1023px) {
    .auth-hero {
        display: none !important;
    }

    .auth-form-col {
        width: 100% !important;
        max-width: 28rem;
    }
}

/* ---------- Register ---------- */
.auth-register-stack {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    box-sizing: border-box;
}

.auth-register-stack > main.auth-register-main {
    flex: 1 1 auto !important;
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    overflow: visible !important;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 0.75rem 0;
    box-sizing: border-box;
}

.auth-register-stack > main.auth-register-main.auth-register-main--center {
    justify-content: flex-start;
}

@media (min-width: 768px) {
    .auth-register-stack > main.auth-register-main.auth-register-main--center {
        justify-content: center;
    }
}

.auth-register-scroll {
    width: 100%;
    height: auto;
    min-height: 0;
    overflow: visible;
    padding: 0 0.75rem;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
}

.auth-register-main--center .auth-register-scroll {
    justify-content: flex-start;
}

@media (min-width: 768px) {
    .auth-register-main--center .auth-register-scroll {
        justify-content: center;
    }
}

.register-select-stack .identity-options {
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
}

@media (min-width: 640px) {
    .register-select-stack .identity-options {
        flex-direction: row !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
    }
}

.register-select-stack .identity-card {
    width: 100% !important;
    max-width: 16rem !important;
    min-width: 0 !important;
    flex: 0 1 auto !important;
    box-sizing: border-box;
}

@media (min-width: 640px) {
    .register-select-stack .identity-card {
        width: 14rem !important;
        max-width: 14rem !important;
        flex: 0 0 14rem !important;
    }
}

.register-select-stack .auth-register-scroll > div:first-child {
    transform: none;
}

.auth-register-stack .auth-form-grid.grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
}

@media (min-width: 640px) {
    .auth-register-stack:not(.register-select-stack) .auth-form-grid.grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
}