/* ============================================
   MSS BOOKING — MOBILE ONLY (375–450px)
   Paste into a stylesheet that loads only for
   mobile, or wrap in your own @media if needed.
   Targets: iPhone SE → iPhone 16 Pro Max
   ============================================ */

@media (max-width: 480px) {

    /* Container — edge to edge with small breathing room */
    .mss-booking {
        margin: 8px;
        padding: 10px;
        border-radius: 16px;
    }

    /* Panels — tighter padding */
    .mss-panel {
        padding: 12px 14px;
        border-radius: 14px;
    }
    .mss-panel-title {
        font-size: 1.05em;
    }
    .mss-panel-subtitle {
        font-size: 0.8em;
        margin-bottom: 12px;
    }

    /* Progress bar — hide labels, shrink step circles */
    .mss-step-label { display: none; }
    .mss-step-num {
        width: 24px;
        height: 24px;
        font-size: 0.75em;
    }

    /* Product cards — stack image + text vertically on tiny screens */
    .mss-product-card {
        padding: 8px 10px;
        gap: 8px;
    }
    .mss-card-img {
        width: 40px;
        height: 40px;
    }
    .mss-card-name {
        font-size: 0.84em;
    }
    .mss-card-desc {
        font-size: 0.72em;
    }
    .mss-card-price {
        font-size: 1em;
        margin-left: 4px;
    }

    /* Brand accordion headers */
    .mss-brand-header {
        padding: 10px 12px;
        font-size: 0.85em;
    }
    .mss-brand-body.open {
        padding: 8px 8px;
    }
    .mss-brand-series {
        font-size: 0.68em;
    }

    /* Install grid — 2 columns, stacked layout on mobile */
    .mss-install-layout {
        flex-direction: column;
    }
    .mss-install-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .mss-install-card {
        padding: 0;
    }
    .mss-install-img-wrap {
        height: 60px;
    }
    .mss-install-text {
        padding: 8px 6px 10px;
    }
    .mss-install-label {
        font-size: 0.82em;
    }
    .mss-install-desc {
        font-size: 0.68em;
    }
    .mss-install-surcharge,
    .mss-install-free {
        font-size: 0.78em;
    }
    .mss-install-preview.visible {
        flex: 0 0 auto;
        max-width: 100%;
    }

    /* Toggle switches */
    .mss-upstairs-toggle,
    .mss-multi-unit-toggle {
        padding: 10px 12px;
    }
    .mss-toggle-text {
        font-size: 0.85em;
    }

    /* Calendar — compact */
    .mss-calendar-wrap {
        padding: 8px;
    }
    .mss-cal-day {
        height: 26px;
        font-size: 0.72em;
    }
    .mss-cal-weekday {
        font-size: 0.68em;
    }
    .mss-cal-title {
        font-size: 0.95em;
    }
    .mss-cal-nav-btn {
        width: 28px;
        height: 28px;
        font-size: 1.1em;
    }
    .mss-calendar-legend {
        gap: 10px;
    }
    .mss-legend-item {
        font-size: 0.72em;
    }

    /* Form fields — single column */
    .mss-form-fields {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .mss-field label {
        font-size: 0.82em;
    }
    .mss-field input,
    .mss-field textarea {
        font-size: 0.9em;
        padding: 9px 12px;
    }

    /* Buttons — full width stacked */
    .mss-nav-buttons {
        flex-direction: column;
        gap: 8px;
    }
    .mss-nav-buttons .mss-btn {
        width: 100%;
        text-align: center;
        padding: 12px 16px;
    }

    /* Summary */
    .mss-summary-row {
        padding: 8px 10px;
    }
    .mss-summary-label {
        font-size: 0.82em;
    }
    .mss-summary-value {
        font-size: 0.85em;
    }
    .mss-summary-row.total .mss-summary-value {
        font-size: 1.15em;
    }
    .mss-summary-img {
        width: 40px;
        height: 40px;
    }

    /* Success */
    .mss-success-code {
        font-size: 1.2em;
        letter-spacing: 2px;
        padding: 10px 16px;
    }
    .mss-success-icon {
        width: 50px;
        height: 50px;
        font-size: 1.6em;
    }

    /* Unit banner */
    .mss-unit-banner {
        font-size: 0.85em;
        padding: 8px 12px;
    }

    /* Stage messages */
    .mss-stage-message {
        font-size: 0.78em;
        padding: 6px 10px;
    }
}