.revAppShellOn {
    --rev-app-tab-height: 66px;
}

.revAppShellOn .contentsWrap,
.revAppShellOn .footerWrap {
    padding-bottom: calc(var(--rev-app-tab-height) + env(safe-area-inset-bottom, 0px) + 44px);
}

.revAppTabBar {
    position: fixed;
    left: 50%;
    width: min(640px, calc(100% - 20px));
    transform: translateX(-50%);
    bottom: max(10px, calc(env(safe-area-inset-bottom, 0px) + 8px));
    z-index: 1200;
    padding: 8px 10px;
    background: linear-gradient(180deg, rgba(11, 18, 32, 0.88) 0%, rgba(7, 12, 24, 0.96) 100%);
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 18px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.34);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-sizing: border-box;
}

:root.revAppPlatformIos .revAppTabBar,
.revAppPlatformIos .revAppTabBar {
    bottom: max(14px, calc(env(safe-area-inset-bottom, 0px) + 10px));
}

:root.revAppPlatformAndroid .revAppTabBar,
.revAppPlatformAndroid .revAppTabBar {
    bottom: 12px;
}

.revAppTabBar__inner {
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
}

.revAppTabBar__item {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 3px;
    min-height: 50px;
    border-radius: 12px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}

.revAppTabBar__item i {
    font-size: 22px;
    line-height: 1;
}

.revAppTabBar__item.is-active {
    color: #f8fafc;
    background: rgba(59, 130, 246, 0.26);
    box-shadow: inset 0 0 0 1px rgba(147, 197, 253, 0.3);
}

.revAppTabBar__item.is-active::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 50%;
    width: 26px;
    height: 3px;
    border-radius: 999px;
    background: #93c5fd;
    transform: translateX(-50%);
}

.revAppSocialBox {
    margin-top: 14px;
    padding: 12px;
    border-radius: 14px;
    border: 1px solid #d7e1ef;
    background: linear-gradient(180deg, #f8fbff 0%, #f1f6ff 100%);
}

.revAppSocialBox__title {
    margin: 0 0 8px;
    color: #1f2937;
    font-size: 13px;
    font-weight: 800;
}

.revAppSocialBox__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.revAppSocialBtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 138px;
    height: 40px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid #cfdced;
    background: #ffffff;
    color: #0f172a;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

.revAppSocialBtn--google {
    border-color: #bcd2f8;
    background: #f6f9ff;
}

.revAppSocialBtn--kakao {
    border-color: #f0de8c;
    background: #fff7cc;
}

.revAppSocialBox__status {
    margin-top: 8px;
    min-height: 18px;
    color: #2563eb;
    font-size: 12px;
    font-weight: 700;
}

.revAppSocialBox__status.is-error {
    color: #dc2626;
}

:root.darkMode .revAppSocialBox,
.darkMode .revAppSocialBox {
    border-color: #30455f;
    background: linear-gradient(180deg, #102031 0%, #0f1a2b 100%);
}

:root.darkMode .revAppSocialBox__title,
.darkMode .revAppSocialBox__title {
    color: #dbeafe;
}

:root.darkMode .revAppSocialBtn,
.darkMode .revAppSocialBtn {
    border-color: #3f5d82;
    background: #1a2a3f;
    color: #e2e8f0;
}

:root.darkMode .revAppSocialBtn--google,
.darkMode .revAppSocialBtn--google {
    border-color: #2f5ca3;
    background: #17305a;
}

:root.darkMode .revAppSocialBtn--kakao,
.darkMode .revAppSocialBtn--kakao {
    border-color: #7a6630;
    background: #4e411e;
    color: #fff8d4;
}

:root.darkMode .revAppSocialBox__status,
.darkMode .revAppSocialBox__status {
    color: #93c5fd;
}

:root.darkMode .revAppSocialBox__status.is-error,
.darkMode .revAppSocialBox__status.is-error {
    color: #fca5a5;
}

@media (max-width: 720px) {
    .revAppShellOn .contentsWrap,
    .revAppShellOn .footerWrap {
        padding-bottom: calc(var(--rev-app-tab-height) + env(safe-area-inset-bottom, 0px) + 40px);
    }

    .revAppTabBar__item {
        min-height: 47px;
        font-size: 10px;
    }

    .revAppTabBar__item i {
        font-size: 20px;
    }

    .revAppSocialBtn {
        flex: 1 1 48%;
        min-width: 0;
    }
}