/* Base: ecrãs muito pequenos (iPhone SE ~320px) */
.menu {
    display: grid;
    grid-template-columns: 1fr;

    /* 1 coluna */
    gap: 10px;
    margin: 20px auto;
}

.menu button.btn-tools {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border: none;
    border-radius: 10px;
    background: #2b353f;
    color: white;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.2s;
    min-width: 90px;
    min-height: 90px;
}

.menu button:hover {
    background: #151718;
}

.menu button img {
    width: 28px;
    height: 28px;
    margin-bottom: 8px;
}

.menu img {
    width: 120px;
    margin-bottom: 30px;
}

/* Telemóveis normais (>=361px) */
@media (min-width: 361px) {
    h1 {
        font-size: 45px;
        font-family: 'ADLaM Display', cursive;
    }

    .menu {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .menu button {
        min-width: 120px;
        min-height: 120px;
        font-size: 14px;
        padding: 12px;
    }

    .menu button img {
        width: 35px;
        height: 35px;
    }

    .menu img {
        width: 150px;
    }
}

/* Tablets médios (>=601px) */
@media (min-width: 601px) {
    h1 {
        font-size: 55px;
        font-family: 'ADLaM Display', cursive;
    }

    .menu {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .menu button {
        min-width: 180px;
        min-height: 180px;
        font-size: 16px;
        padding: 15px;
    }

    .menu button img {
        width: 50px;
        height: 50px;
    }

    .menu img {
        width: 200px;
    }
}

/* Desktop / iPad grande (>=1025px) */
@media (min-width: 1025px) {
    h1 {
        font-size: 65px;
        font-family: 'ADLaM Display', cursive;
    }

    .menu {
        grid-template-columns: repeat(4, 1fr);
        margin: 50px auto;
    }

    .menu button {
        min-width: 220px;
        min-height: 220px;
        font-size: 18px;
        padding: 18px;
    }

    .menu button img {
        width: 60px;
        height: 60px;
    }

    .menu img {
        width: 250px;
    }
}

#version {
    margin-left: 10px;
}

#flytools #flytools-heading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0px;
    padding-bottom: 0px;
    padding-top: 0px;
}

#flytools {
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

#version p {
    font-size: 12px;
    font-family: 'Maven Pro', sans-serif;
}

/* === SHEET PWA (instalar app) ===================== */
#install-sheet {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    justify-content: center;
    transition: transform .25s ease-out, opacity .25s ease-out;
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
}

#install-sheet.show {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

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

#install-body {
    width: min(520px, 100%);
    background: #fff;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -8px 30px rgba(15,23,42,.15);
    padding: 1.2rem 1.2rem 1.4rem;
    position: relative;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* header do sheet */
#install-body > div:first-child h3 {
    margin: 0;
    font-size: 1rem;
}

#install-close {
    border: none;
    background: transparent;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
}

/* bloco app */
#install-app {
    display: flex;
    gap: .75rem;
    align-items: center;
    margin: .9rem 0;
}

#install-icon {
    width: 46px;
    height: 46px;
    border-radius: 6px;
}

#install-title {
    margin: 0;
    font-size: .95rem;
}

#install-sub {
    margin: .15rem 0 0;
    color: #6b7280;
    font-size: .75rem;
}

/* iOS steps */
#install-ios {
    margin: 0 0 1rem;
    padding-left: 1.2rem;
    color: #111827;
    font-size: .85rem;
}

#install-ios li {
    margin-bottom: .45rem;
}

/* icon partilha iOS */
#ios-share {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    background: url("../img/iphone-share.png") center/contain no-repeat;
    vertical-align: -2px;
}

/* bloco android */
#install-android {
    margin-bottom: 1rem;
}

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

#install-android-btn {
    width: 100%;
    height: 38px;
    border: none;
    border-radius: 9999px;
    background: #0ea5e9;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    font-size: .85rem;
}

/* opcional: não mostrar em ecrã grande */
@media (min-width: 900px) {
    #install-sheet {
        bottom: 1.2rem;
        transform: translateY(20px);
    }
}

/* se estiver em iPhone e for Chrome (ou outro que não seja Safari), em vez de mostrar o sheet de instalação mostras uma nota tipo “Para instalar usa o Safari”. */
#install-warning {
    position: fixed;
    left: 0;
    right: 0;
    bottom: .8rem;
    display: flex;
    justify-content: center;
    pointer-events: none;
    z-index: 9999;
}

#install-warning-body {
    background: #fff;
    border: 1px solid rgba(0,0,0,.05);
    box-shadow: 0 10px 30px rgba(15,23,42,.22);
    border-radius: 14px;
    padding: .75rem 1rem .8rem;
    width: min(460px, 94vw);
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    pointer-events: auto;
    text-align: center;
}

#install-warning p {
    margin: 0 0 .35rem;
    font-size: .85rem;
    color: #111827;
}

#install-warning button {
    margin-top: .4rem;
    background: #0ea5e9;
    color: #fff;
    border: none;
    border-radius: 9999px;
    padding: .35rem .95rem;
    font-size: .8rem;
    cursor: pointer;
}

.hidden {
    display: none !important;
}