:root {
    --card-border: #e5e7eb;
    --card-bg: #ffffff;
    --green: #16a34a;
    --text: #111827;
    --muted: #6b7280;
}

/* container da lista */
#flights-list-container {
    width: 100%;
    max-width: 100%;
    padding: 0 16px;
    box-sizing: border-box;
}

/* container da lista interna */
#flights-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px 0;
    width: 100%;
    box-sizing: border-box;
    max-height: none;
    overflow: visible;
}

/* card */
.flight-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 14px;
    width: 100%;
    /* display: block; */
    transition: box-shadow .18s ease, transform .12s ease;
    box-shadow: 0 1px 2px rgba(16,24,40,0.04);
    /* display: grid; */
    /* grid-template-columns: 1fr; */
    gap: 8px;
    align-items: center;
}

/* hover */
.flight-card:hover {
    box-shadow: 0 6px 20px rgba(2,6,23,0.08);
    transform: translateY(-2px);
}


/* card */
.flight-card-back {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 14px;
    width: 100%;
    /* display: block; */
    transition: box-shadow .18s ease, transform .12s ease;
    box-shadow: 0 1px 2px rgba(16,24,40,0.04);
    /* display: grid; */
    /* grid-template-columns: 1fr; */
    gap: 8px;
    align-items: center;
}

/* hover */
.flight-card-back:hover {
    box-shadow: 0 6px 20px rgba(2,6,23,0.08);
    transform: translateY(-2px);
}

/* bloco companhia */
.flight-company {
    display: flex;
    align-items: center;
    gap: 12px;
}
.flight-company img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    display: block;
}
.flight-company .name {
    font-weight: 600;
    color: var(--text);
    line-height: 1;
}
.flight-company .sub {
    font-size: 13px;
    color: var(--muted);
    margin-top: 2px;
}

/* selecionado */
.flight-card.selected {
    border: 2px solid var(--green);
    box-shadow: 0 6px 20px rgba(22,163,74,0.15);
}
.flight-card-back.selected {
    border: 2px solid var(--green);
    box-shadow: 0 6px 20px rgba(22,163,74,0.15);
}

/* colunas internas */
.flight-time {
    font-weight: 700;
    color: var(--text);
    font-size: 16px;
}
.flight-airport {
    font-size: 13px;
    color: var(--muted);
    margin-top: 3px;
}
.flight-duration {
    font-weight: 600;
    color: #374151;
}
.flight-scales {
    font-size: 13px;
    color: var(--muted);
    margin-top: 3px;
}
.flight-price {
    font-weight: 800;
    color: var(--green);
    font-size: 18px;
    text-align: right;
}

/* radio no começo */
.radio-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
}

/* acessibilidade */
.flight-card input[type="radio"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}
.flight-card-back input[type="radio"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.no-wrap .flight-time {
    white-space: nowrap;
}

/* desktop e tablets >= 668px */
@media (min-width: 668px) {
    .flight-card {
        grid-template-columns: 1.6fr 1fr 1fr 0.9fr 0.9fr 0.7fr;
        gap: 14px;
    }
    .flight-card-back {
        grid-template-columns: 1.6fr 1fr 1fr 0.9fr 0.9fr 0.7fr;
        gap: 14px;
    }
    .flight-company .sub { display: inline; }
    .flight-price { font-size: 20px; }
}

/* mobile <= 667px */
@media (max-width: 667px) {
    #flights-list {
        max-height: 70vh; /* altura limitada */
        overflow-y: auto; /* scroll se precisar */
        -webkit-overflow-scrolling: touch; /* scroll suave iOS */
        padding-right: 4px;
    }

    .flight-card {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        padding: 12px;
    }
    .flight-card-back {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        padding: 12px;
    }
    .flight-company img { width: 36px; height: 36px; }
    .flight-time { font-size: 15px; }
    .flight-price { font-size: 16px; text-align: left; }
    .flight-duration,
    .flight-scales,
    .flight-airport { font-size: 12px; }
    .radio-wrap { width: 24px; }
}

/* mobile muito pequeno <= 420px */
@media (max-width: 420px) {
    .flight-card {
        grid-template-columns: 1fr; /* empilha vertical */
        padding: 10px;
    }
    .flight-card-back {
        grid-template-columns: 1fr; /* empilha vertical */
        padding: 10px;
    }
    .flight-company { gap: 8px; }
    .flight-company img { width: 32px; height: 32px; }
    .flight-time { font-size: 14px; }
    .flight-price { font-size: 15px; }
    .flight-duration,
    .flight-scales,
    .flight-airport { font-size: 11px; }
}