.join-display-shell {
    width: min(100%, 1100px);
    min-height: 100vh;
    margin: 0 auto;
    padding: clamp(20px, 4vw, 52px);
    display: grid;
    place-items: center;
}

.join-display-card {
    width: min(100%, 900px);
    padding: clamp(26px, 5vw, 58px);
    text-align: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-large);
}

.join-display-logo {
    display: block;
    width: min(260px, 58vw);
    max-height: 84px;
    margin: 0 auto 20px;
    object-fit: contain;
}

.join-display-session-title {
    margin: 0 0 10px;
    color: var(--text-muted);
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 700;
}

.join-display-card h1 {
    margin: 0 0 28px;
    color: var(--nibi-navy);
    font-size: clamp(2rem, 5vw, 4.2rem);
    line-height: 1.08;
}

.join-display-qr {
    display: block;
    width: min(70vw, 520px);
    height: auto;
    margin: 0 auto 24px;
    background: #fff;
}

.join-display-instruction {
    margin: 0 0 24px;
    color: var(--text);
    font-size: clamp(1.1rem, 2.2vw, 1.5rem);
    line-height: 1.5;
}

.join-display-instruction strong {
    display: block;
    color: var(--text-muted);
}

.join-display-alternative {
    margin: 0 0 8px;
    color: var(--text-muted);
    font-size: clamp(1rem, 2vw, 1.3rem);
}

.join-display-url {
    display: inline-block;
    max-width: 100%;
    color: var(--brand-primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: clamp(1rem, 3vw, 2rem);
    font-weight: 800;
    line-height: 1.3;
    text-decoration: none;
    white-space: nowrap;
}

.join-display-tagline {
    margin: 30px 0 0;
    color: var(--text-muted);
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 700;
}

.join-display-not-found {
    max-width: 620px;
}

@media (max-width: 700px) {
    .join-display-shell {
        padding: 12px;
    }

    .join-display-card {
        padding: 24px 16px;
        border-radius: var(--radius-large);
    }

    .join-display-qr {
        width: min(84vw, 430px);
    }

    .join-display-url {
        font-size: clamp(0.76rem, 3.4vw, 1.15rem);
    }
}

@media print {
    @page {
        margin: 0.45in;
    }

    body {
        background: #fff !important;
    }

    .page-shell,
    .join-display-shell {
        width: 100%;
        min-height: auto;
        margin: 0;
        padding: 0;
    }

    .join-display-card {
        width: 100%;
        padding: 0;
        border: 0;
        box-shadow: none;
        break-inside: avoid;
    }

    .join-display-qr {
        width: 4.4in;
        max-width: 70%;
    }

    .join-display-url {
        color: #000;
        font-size: 18pt;
    }
}