.upgrade-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 99500;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.upgrade-modal-dialog {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card, #282834);
    border: 1px solid var(--border-default, rgba(255,255,255,0.10));
    border-radius: 14px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.5), 0 20px 48px -8px rgba(0,0,0,0.6);
    overflow: hidden;
    animation: auth-card-in 0.22s cubic-bezier(0.34,1.3,0.64,1) both;
}

.upgrade-modal-icon-wrap {
    display: flex;
    justify-content: center;
    padding: 2rem 1.5rem 0.75rem;
}

.upgrade-modal-icon {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    background: linear-gradient(135deg,rgba(251,191,36,0.15),rgba(139,92,246,0.15));
    border: 1px solid rgba(251,191,36,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
}

    .upgrade-modal-icon svg {
        width: 24px;
        height: 24px;
        stroke: #fbbf24;
        fill: none;
        stroke-width: 2;
    }

.upgrade-modal-body {
    padding: 0 1.5rem 1.25rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
}

.upgrade-modal-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary, #efefef);
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin: 0;
}

.upgrade-modal-message {
    font-size: 0.875rem;
    color: var(--text-secondary, #9a9ab0);
    line-height: 1.6;
    margin: 0;
    max-width: 320px;
}

.upgrade-bullets-list {
    list-style: none;
    margin: 0.25rem 0 0;
    padding: 0;
    width: 100%;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.upgrade-bullet {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.84rem;
    color: var(--text-secondary, #9a9ab0);
    line-height: 1.45;
}

    .upgrade-bullet::before {
        content: '✓';
        color: #4e8dff;
        font-weight: 800;
        font-size: 0.8rem;
        flex-shrink: 0;
        margin-top: 1px;
    }

.upgrade-modal-foot {
    display: flex;
    gap: 0.6rem;
    padding: 0 1.5rem 1.5rem;
}

.upgrade-modal-cancel {
    flex: 1;
    height: 44px;
    background: transparent;
    border: 1px solid var(--border-default, rgba(255,255,255,0.10));
    border-radius: 10px;
    color: var(--text-secondary, #9a9ab0);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
}

    .upgrade-modal-cancel:hover {
        background: rgba(255,255,255,0.05);
    }

.upgrade-modal-cta {
    flex: 2;
    height: 44px;
    background: linear-gradient(135deg,#4e8dff,#7c3aed);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.01em;
    transition: filter 0.15s ease, transform 0.12s ease;
    box-shadow: 0 4px 16px rgba(78,141,255,0.3);
}

    .upgrade-modal-cta:hover {
        filter: brightness(1.12);
    }

    .upgrade-modal-cta:active {
        transform: translateY(1px);
    }

@media (max-width: 440px) {
    .upgrade-modal-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .upgrade-modal-dialog {
        max-width: 100%;
        border-radius: 14px 14px 0 0;
        padding-bottom: env(safe-area-inset-bottom, 0);
    }
}