:root {
    --pwa-navy: #142247;
    --pwa-navy-dark: #0c1630;
    --pwa-gold: #E3AE4A;
    --pwa-gold-dark: #c9952f;
    --pwa-white: #ffffff;
}

* { box-sizing: border-box; }

body.pwa-install {
    margin: 0;
    min-height: 100vh;
    font-family: 'Roboto', 'Segoe UI', sans-serif;
    color: var(--pwa-white);
    background: linear-gradient(165deg, var(--pwa-navy) 0%, var(--pwa-navy-dark) 100%);
}

.pwa-install-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.pwa-install-card {
    width: min(100%, 560px);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.pwa-install-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.pwa-install-brand img {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.pwa-install-brand h1 {
    margin: 0;
    font-size: 1.5rem;
    line-height: 1.25;
}

.pwa-install-brand p {
    margin: 0.35rem 0 0;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
}

.pwa-install-lead {
    margin: 0 0 1.5rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.88);
}

.pwa-install-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.pwa-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.85rem 1.2rem;
    border-radius: 10px;
    border: 0;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.pwa-btn:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

.pwa-btn-primary {
    background: linear-gradient(135deg, var(--pwa-gold) 0%, var(--pwa-gold-dark) 100%);
    color: var(--pwa-navy-dark);
    box-shadow: 0 8px 20px rgba(227, 174, 74, 0.28);
}

.pwa-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--pwa-white);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.pwa-btn-secondary:hover {
    color: var(--pwa-white);
}

.pwa-install-links {
    display: grid;
    gap: 0.65rem;
}

.pwa-install-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    background: rgba(8, 14, 31, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--pwa-white);
    text-decoration: none;
    font-weight: 500;
}

.pwa-install-links a:hover {
    color: var(--pwa-gold);
    text-decoration: none;
}

.pwa-install-note {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.88rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.72);
}

.pwa-install-note strong {
    color: var(--pwa-gold);
}

.pwa-install-hidden {
    display: none !important;
}

.pwa-install-installed {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    background: rgba(227, 174, 74, 0.16);
    color: var(--pwa-gold);
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

@media (max-width: 575px) {
    .pwa-install-card {
        padding: 1.35rem;
    }

    .pwa-install-actions {
        flex-direction: column;
    }

    .pwa-btn {
        width: 100%;
    }
}