:root {
    --ok-primary: #ff8a00;
    --ok-primary-dark: #d96d00;
    --ok-secondary: #0b1220;
    --ok-surface: #ffffff;
    --ok-bg: #fff5e8;
}

html,
body {
    font-family: 'Be Vietnam Pro', sans-serif;
    background: radial-gradient(circle at top right, #ffe2b8 0%, #fff7eb 42%, #fff 100%);
    min-height: 100%;
}

.site-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(120deg, rgba(255, 138, 0, .06), rgba(11, 18, 32, .03));
    z-index: -1;
}

.app-shell {
    min-height: 100vh;
    padding-bottom: 84px;
}

.brand-text {
    color: var(--ok-secondary);
    letter-spacing: .2px;
}

.user-badge {
    background: #fff2de;
    border: 1px solid #ffd8a6;
}

.main-content {
    animation: fadeSlide .35s ease-out;
}

@keyframes fadeSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-page,
.main-info-account,
.list-game-giftcode,
.list-event-recommended {
    border: 1px solid #ffdcb3;
    border-radius: 16px !important;
    box-shadow: 0 12px 26px rgba(0, 0, 0, .08);
}

.form-login {
    max-width: 520px;
    margin: 0 auto;
    padding: 1rem;
}

.form-login input,
.form-login select,
.form-login textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid #d8dce3;
    border-radius: .75rem;
    padding: .65rem .85rem;
    font-size: .95rem;
}

.form-login input:focus,
.form-login select:focus,
.form-login textarea:focus {
    outline: none;
    border-color: var(--ok-primary);
    box-shadow: 0 0 0 .2rem rgba(255, 138, 0, .2);
}

.btn-handler,
.btn-submit,
.btn-pay,
.btn-huy {
    border-radius: .7rem !important;
}

.btn-submit,
.btn-huy {
    background: linear-gradient(135deg, var(--ok-primary), #ffaf3f);
    color: #fff !important;
    border: none;
    padding: .65rem 1rem;
    font-weight: 700;
}

.btn-submit:hover,
.btn-huy:hover {
    background: linear-gradient(135deg, var(--ok-primary-dark), var(--ok-primary));
}

.mobile-bottom-nav .nav-link {
    color: #535a67;
}

.mobile-bottom-nav .nav-link.active,
.mobile-bottom-nav .active {
    color: var(--ok-primary-dark);
    font-weight: 700;
}

.main-page .item-game,
.main-event-recommended .item-er {
    transition: transform .2s ease, box-shadow .2s ease;
}

.main-page .item-game:hover,
.main-event-recommended .item-er:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .12);
}

@media (max-width: 991.98px) {
    .app-shell {
        padding-bottom: 92px;
    }

    .main-content {
        padding-top: 1rem !important;
    }
}