/* Desktop / laptop convergence */
@media (max-width: 1100px) {
    .summary-grid.five,
    .hero-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .hero-score {
        grid-column: span 1;
    }

    .signal-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Tablet and narrow laptop */
@media (max-width: 900px) {
    .header-inner {
        flex-wrap: wrap;
        row-gap: .45rem;
        padding: .65rem 0 .55rem;
    }

    .brand {
        order: 1;
        flex: 1 1 auto;
    }

    .nav-logout {
        order: 2;
    }

    .site-nav {
        order: 3;
        flex: 0 0 100%;
        justify-content: flex-start;
        gap: .9rem;
        overflow-x: auto;
        padding: .2rem 0 .35rem;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
    }

    .site-nav a {
        padding: .18rem 0;
    }

    .page-shell {
        padding-top: 1.5rem;
    }

    .summary-grid,
    .summary-grid.five,
    .hero-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .two-col,
    .two-col.wide-left {
        grid-template-columns: 1fr;
    }

    .plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .signal-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Tablet portrait / large phones */
@media (max-width: 700px) {
    .container {
        width: min(calc(100% - 24px), var(--container));
    }

    .page-header {
        flex-direction: column;
        gap: .8rem;
    }

    .page-header .button,
    .header-actions {
        align-self: flex-start;
    }

    .filter-bar {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: end;
    }

    .filter-bar label {
        width: 100%;
    }

    .filter-bar button {
        grid-column: 1 / -1;
        width: 100%;
    }

    .panel-title {
        align-items: flex-start;
    }

    .panel-title > span,
    .panel-title > a {
        white-space: normal;
        text-align: right;
    }

    .signal-cards {
        grid-template-columns: 1fr;
    }

    .rollover-row {
        grid-template-columns: 1fr auto;
    }

    .rollover-row small {
        grid-column: 1 / -1;
    }
}

/* Phones */
@media (max-width: 520px) {
    h1 {
        font-size: clamp(1.75rem, 9vw, 2.35rem);
    }

    .container {
        width: min(calc(100% - 20px), var(--container));
    }

    .header-inner {
        width: min(calc(100% - 20px), var(--container));
    }

    .brand {
        font-size: .98rem;
    }

    .nav-logout button {
        min-height: 36px;
        padding-inline: .62rem;
    }

    .site-nav {
        gap: .78rem;
    }

    .site-nav a {
        font-size: .82rem;
    }

    .page-shell {
        padding-top: 1.1rem;
        padding-bottom: 2rem;
    }

    .summary-grid,
    .summary-grid.five,
    .hero-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: .6rem;
    }

    .metric-card,
    .hero-score {
        min-height: 92px;
        padding: .8rem;
    }

    .metric-card strong {
        font-size: 1.2rem;
    }

    .hero-score strong {
        font-size: 1.75rem;
    }

    .filter-bar {
        grid-template-columns: 1fr;
    }

    .filter-bar button {
        grid-column: auto;
    }

    .panel-title {
        gap: .65rem;
        padding: .8rem;
    }

    .panel-title h2 {
        font-size: 1.02rem;
    }

    .panel-title > span,
    .panel-title > a {
        font-size: .75rem;
    }

    .plan-grid {
        grid-template-columns: 1fr;
        padding-inline: .8rem;
    }

    .plan-head {
        padding-inline: .8rem;
    }

    .plan-head > span:last-child {
        margin-left: 0;
        flex-basis: 100%;
    }

    .component-row {
        grid-template-columns: minmax(0, 1fr) 48px;
        margin-inline: .8rem;
    }

    .component-row progress {
        grid-column: 1 / -1;
    }

    .signal-item {
        gap: .55rem;
    }

    .rollover-row {
        margin-inline: .8rem;
    }

    .auth-panel {
        padding: 1.15rem;
    }

    .auth-title-block {
        width: 100%;
        margin-bottom: 1rem;
    }

    .auth-panel h1 {
        font-size: clamp(1.7rem, 8vw, 2.1rem);
        white-space: normal;
        word-break: keep-all;
        overflow-wrap: normal;
    }

    .auth-slogan {
        transform: translateX(0);
    }

    .chart-panel canvas {
        min-height: 220px;
    }
}

/* Very narrow phones */
@media (max-width: 360px) {
    .summary-grid,
    .summary-grid.five,
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .page-header .button,
    .header-actions,
    .header-actions .button {
        width: 100%;
    }

    .panel-title {
        flex-direction: column;
    }

    .panel-title > span,
    .panel-title > a {
        text-align: left;
    }
}