:root {
    --login-guard-bg: #f5f7fb;
    --login-guard-card: #fff;
    --login-guard-text: #1f2937;
    --login-guard-muted: #6b7280;
    --login-guard-line: #e5e7eb;
    --login-guard-primary: #2f5fe3;
    --login-guard-primary-dark: #1d4ed8;
    --login-guard-primary-soft: rgba(47, 95, 227, 0.1);
    --login-guard-shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
}

body.login-guard-page {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top, rgba(47, 95, 227, 0.12), transparent 34%),
        linear-gradient(180deg, #f8fbff 0%, #f3f6fb 100%);
    color: var(--login-guard-text);
    font-family: Pretendard, Apple SD Gothic Neo, Noto Sans KR, sans-serif;
}

.login-guard-modal {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: none;
}

.login-guard-modal.is-open {
    display: block;
}

.login-guard {
    min-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    box-sizing: border-box;
}

.login-guard--page {
    min-height: 100vh;
}

html.login-guard-open #sideMenuArea,
body.login-guard-open #sideMenuArea {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.login-guard__overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.18);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.login-guard__modal {
    position: relative;
    width: min(100%, 392px);
    padding: 38px 34px 32px;
    border: 1px solid rgba(47, 95, 227, 0.08);
    border-radius: 24px;
    background: var(--login-guard-card);
    box-shadow: var(--login-guard-shadow);
    text-align: center;
    color: var(--login-guard-text);
    animation: loginGuardFade 0.18s ease-out;
    box-sizing: border-box;
}

.login-guard__modal--compact {
    width: min(100%, 380px);
    padding: 34px 30px 28px;
}

.login-guard__close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: #9ca3af;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.14s ease, color 0.14s ease;
}

.login-guard__close:hover {
    background: #f3f4f6;
    color: #4b5563;
}

.login-guard__close svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2.2;
    stroke-linecap: round;
}

.login-guard__icon {
    width: 58px;
    height: 58px;
    margin: 0 auto 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--login-guard-primary), var(--login-guard-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 12px 28px rgba(47, 95, 227, 0.24);
}

.login-guard__icon svg {
    width: 26px;
    height: 26px;
    fill: currentColor;
}

.login-guard__title {
    margin: 0 0 10px;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--login-guard-text);
}

.login-guard__desc {
    margin: 0 0 26px;
    font-size: 14px;
    line-height: 1.65;
    color: var(--login-guard-muted);
}

.login-guard__lead {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #374151;
}

.login-guard__list {
    display: block;
    padding: 14px 16px;
    border-radius: 16px;
    background: #f8faff;
    border: 1px solid rgba(47, 95, 227, 0.08);
    text-align: left;
    color: #475467;
}

.login-guard__actions {
    display: flex;
    gap: 10px;
}

.login-guard__btn {
    flex: 1 1 0;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.14s ease, border-color 0.14s ease, color 0.14s ease;
    box-sizing: border-box;
}

.login-guard__btn--ghost {
    background: #f3f4f6;
    border-color: var(--login-guard-line);
    color: #4b5563;
}

.login-guard__btn--ghost:hover {
    background: #e5e7eb;
}

.login-guard__btn--primary {
    background: var(--login-guard-primary);
    color: #fff;
}

.login-guard__btn--primary:hover {
    background: var(--login-guard-primary-dark);
}

@keyframes loginGuardFade {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 480px) {
    .login-guard {
        padding: 18px;
    }

    .login-guard__modal {
        width: min(100%, 360px);
        padding: 32px 20px 22px;
        border-radius: 22px;
    }

    .login-guard__title {
        font-size: 20px;
    }

    .login-guard__desc {
        font-size: 14px;
        margin-bottom: 22px;
    }

    .login-guard__actions {
        gap: 8px;
    }

    .login-guard__btn {
        height: 46px;
        font-size: 14px;
    }
}