body {
    background: #f6f7fb;
}

.install-shell {
    min-height: calc(100vh - 40px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 12px;
}

.install-card {
    width: 100%;
    max-width: 980px;
    border: 0;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,.07);
    overflow: hidden;
}

.install-header {
    background: linear-gradient(135deg, #1f5eff 0%, #6b3dff 100%);
    color: #fff;
    padding: 22px 26px;
}

    .install-header .title {
        font-size: 20px;
        font-weight: 700;
        margin: 0;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .install-header .subtitle {
        margin-top: 6px;
        opacity: .9;
        font-size: 13px;
    }

.install-body {
    background: #fff;
    padding: 22px 22px 10px 22px;
}

.install-footer {
    background: #fff;
    padding: 14px 22px 22px 22px;
    border-top: 1px solid #eef0f6;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* Stepper header tune */
.bs-stepper .bs-stepper-header {
    box-shadow: none;
    border-bottom: 1px solid #eef0f6;
    padding-bottom: 12px;
}

.bs-stepper .step-trigger {
    padding: 8px 10px;
}

.bs-stepper-label {
    font-weight: 600;
    color: #4a4f62;
}

.bs-stepper-circle {
    background: #e9ecf5;
    color: #3b3f52;
}

.active .bs-stepper-circle {
    background: #1f5eff;
    color: #fff;
}

.active .bs-stepper-label {
    color: #1f5eff;
}

.section-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #2b2f40;
}

.help-text {
    font-size: 13px;
    color: #6c728a;
    margin-bottom: 14px;
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: #3d4157;
    margin-bottom: 6px;
}

.form-control, .custom-select {
    border-radius: 10px;
    height: calc(1.5em + 0.9rem + 2px);
}

.input-group-text {
    border-radius: 10px;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.25);
}

.review-box {
    background: #f8f9fe;
    border: 1px solid #e9ecf7;
    border-radius: 12px;
    padding: 14px;
}

.review-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 6px 0;
    border-bottom: 1px dashed #e4e7f3;
}

    .review-row:last-child {
        border-bottom: 0;
    }

.review-key {
    color: #6b7290;
    font-size: 13px;
}

.review-val {
    color: #2b2f40;
    font-weight: 600;
    font-size: 13px;
    text-align: right;
    word-break: break-all;
}

.btn {
    border-radius: 10px;
    font-weight: 700;
}

.btn-light {
    border: 1px solid #e7e9f4;
}

/* Modal loader (keep your existing loader styles if you already have) */
.install-progress {
    margin-top: 10px;
    height: 10px;
    background: #eef0f6;
    border-radius: 999px;
    overflow: hidden;
}

    .install-progress > div {
        height: 100%;
        width: 25%;
        background: #1f5eff;
        animation: installbar 1.2s infinite ease-in-out;
    }

@keyframes installbar {
    0% {
        transform: translateX(-60%);
        width: 30%;
    }

    50% {
        transform: translateX(80%);
        width: 40%;
    }

    100% {
        transform: translateX(180%);
        width: 30%;
    }
}

/* validation */
label.error {
    color: #dc3545;
    font-size: 12px;
    margin-top: 6px;
}

.is-invalid {
    border-color: #dc3545 !important;
}