.gfav-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.62);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    padding: 20px;
    box-sizing: border-box;
}

.gfav-modal.show {
    display: flex;
}

.gfav-modal-content {
    background: #f3f5f7;
    width: 100%;
    max-width: 620px;
    max-height: 90vh;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
    border: 1px solid #d7dde5;
    display: flex;
    flex-direction: column;
}

/* HEADER */
.gfav-modal-header {
    padding: 22px 30px;
    background: #193c55;
    border-bottom: 1px solid #142f42;
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.01em;
    flex-shrink: 0;
}

.gfav-modal-body {
    padding: 34px 30px 24px;
    background: #f3f5f7;
    overflow-y: auto;
    flex: 1 1 auto;
    -webkit-overflow-scrolling: touch;
}

/* INFO BOX */
.gfav-warning {
    background: #e3ebf3;
    border: 1px solid #b8c7d6;
    color: #193c55;
    padding: 18px 20px;
    border-radius: 12px;
    margin: 0 0 30px 0;
    font-size: 15px;
    line-height: 1.5;
    font-weight: 600;
}

/* ADDRESS CARDS */
.gfav-address-card {
    padding: 18px 22px;
    border-radius: 12px;
    border: 1px solid #d7dde5;
}

.gfav-address-card + .gfav-address-card {
    margin-top: 24px;
}

/* USER ENTERED */
.gfav-address-card.current {
    border-color: #d6a84f;
    background: #fff6e6;
}

.gfav-address-card.current h3 {
    color: #8a5a00;
}

/* VALIDATED */
.gfav-address-card.suggestion {
    border-color: #193c55;
    background: #e6eff6;
    border-width: 2px;
}

.gfav-address-card.suggestion h3 {
    color: #193c55;
}

/* TEXT */
.gfav-address-card h3 {
    margin: 0 0 14px 0;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.gfav-address-card p {
    margin: 0;
    font-size: 15.5px;
    line-height: 1.55;
    color: #111827;
    word-break: break-word;
}

/* FOOTER */
.gfav-modal-footer {
    padding: 24px 30px 28px;
    background: #f3f5f7;
    border-top: 1px solid #d7dde5;
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex-shrink: 0;
}

@media (min-width: 520px) {
    .gfav-modal-footer {
        flex-direction: row;
        justify-content: flex-end;
    }
}

/* BUTTONS */
.gfav-modal-footer button {
    padding: 15px 26px;
    border-radius: 12px;
    font-size: 15.5px;
    font-weight: 800;
    min-height: 56px;
    width: 100%;
    cursor: pointer;
    transition: all 0.15s ease;
    letter-spacing: 0.01em;
}

@media (min-width: 520px) {
    .gfav-modal-footer button {
        width: auto;
        min-width: 230px;
    }
}

/* SECONDARY */
.gfav-btn-secondary {
    background: #ffffff;
    color: #4b6074;
    border: 2px solid #c8d3de;
}

.gfav-btn-secondary:hover {
    background: #f8fafc;
    border-color: #9fb2c3;
    color: #193c55;
}

/* PRIMARY */
.gfav-btn-primary {
    background: #193c55;
    color: #ffffff;
    border: 2px solid #193c55;
}

.gfav-btn-primary:hover {
    background: #224b69;
    border-color: #224b69;
}

/* INLINE ERROR */
.gfav-inline-error {
    margin-top: 12px;
    padding: 12px 14px;
    border: 1px solid #c8d3de;
    background: #eef3f7;
    color: #193c55;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.45;
    font-weight: 600;
}

/* KEYBOARD FOCUS */
.gfav-modal button:focus-visible,
.gfav-modal [tabindex]:focus-visible {
    outline: 3px solid #9fbfd8;
    outline-offset: 2px;
}

/* MOBILE OPTIMIZATION */
@media (max-width: 519px) {
    .gfav-modal {
        padding: 10px;
    }

    .gfav-modal-content {
        max-height: 95vh;
        border-radius: 12px;
    }

    .gfav-modal-header {
        padding: 16px 20px;
        font-size: 16px;
    }

    .gfav-modal-body {
        padding: 20px 20px 16px;
    }

    .gfav-warning {
        padding: 12px 14px;
        margin: 0 0 18px 0;
        font-size: 14px;
        line-height: 1.4;
    }

    .gfav-address-card {
        padding: 14px 16px;
    }

    .gfav-address-card + .gfav-address-card {
        margin-top: 14px;
    }

    .gfav-address-card h3 {
        margin: 0 0 10px 0;
        font-size: 14px;
    }

    .gfav-address-card p {
        font-size: 14.5px;
        line-height: 1.5;
    }

    .gfav-modal-footer {
        padding: 14px 20px 18px;
        gap: 10px;
    }

    .gfav-modal-footer button {
        padding: 13px 20px;
        min-height: 50px;
        font-size: 14.5px;
    }
}