/* ============================================================
 * 21. 弹窗登录/注册
 * ============================================================ */
.aksrt-modal-auth {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.aksrt-modal-auth.is-open {
    opacity: 1;
    visibility: visible;
}

.aksrt-modal-auth__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.aksrt-modal-auth__card {
    position: relative;
    background: var(--main-bg-color, #fff);
    border-radius: var(--main-radius, 8px);
    padding: 32px;
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 0 10px var(--main-shadow, rgba(116, 116, 116, 0.08));
    z-index: 1;
    transform: scale(0.9);
    transition: transform 0.5s cubic-bezier(0.32, 0.85, 0.45, 1.18);
}

.aksrt-modal-auth.is-open .aksrt-modal-auth__card {
    transform: scale(1);
}

.aksrt-modal-auth__close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: var(--surface-2, #F4F5F7);
    color: var(--color-ink-3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    font-size: 16px;
}

.aksrt-modal-auth__close:hover {
    background: var(--surface-3, #ECEEF1);
}

.aksrt-modal-auth__header {
    text-align: center;
    margin-bottom: 24px;
}

.aksrt-modal-auth__logo {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--color-primary, var(--color-primary)), var(--color-primary-active, #5A85BD));
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.aksrt-modal-auth__title {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--color-ink);
}