/* iOS / iPhone optimizations — safe areas, touch, drawer nav, forms */

:root {
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --mobile-topbar-h: calc(56px + var(--safe-top));
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    min-height: 100dvh;
    padding-bottom: var(--safe-bottom);
    overscroll-behavior-y: none;
    -webkit-tap-highlight-color: rgba(201, 169, 98, 0.18);
}

@supports (-webkit-touch-callout: none) {
    body.dash-app {
        min-height: -webkit-fill-available;
    }
}

a,
button,
label,
.dash-nav-link,
.period-tab,
.btn-ghost,
.home-link-card,
.home-ledger-row {
    -webkit-tap-highlight-color: rgba(201, 169, 98, 0.16);
    touch-action: manipulation;
}

input,
select,
textarea,
button {
    font-size: max(16px, 1em);
    touch-action: manipulation;
}

.input-wrap input {
    font-size: max(16px, 0.98rem);
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--gold);
}

.page {
    padding-left: max(16px, var(--safe-left));
    padding-right: max(16px, var(--safe-right));
}

/* ── Mobile drawer navigation (iPhone) ── */
.dash-nav-toggle {
    display: none;
}

.dash-nav-backdrop {
    display: none;
}

@media (max-width: 960px) {
    body.dash-app {
        padding-left: 0;
        padding-top: var(--mobile-topbar-h);
    }

    .dash-nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        top: calc(10px + var(--safe-top));
        right: max(14px, var(--safe-right));
        z-index: 260;
        width: 44px;
        height: 44px;
        padding: 0;
        border: 1px solid rgba(201, 169, 98, 0.22);
        border-radius: 12px;
        background: rgba(8, 7, 6, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        color: var(--gold-2);
        cursor: pointer;
    }

    .dash-nav-toggle-icon,
    .dash-nav-toggle-icon::before,
    .dash-nav-toggle-icon::after {
        display: block;
        width: 18px;
        height: 2px;
        border-radius: 2px;
        background: currentColor;
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .dash-nav-toggle-icon {
        position: relative;
    }

    .dash-nav-toggle-icon::before,
    .dash-nav-toggle-icon::after {
        content: "";
        position: absolute;
        left: 0;
    }

    .dash-nav-toggle-icon::before {
        top: -6px;
    }

    .dash-nav-toggle-icon::after {
        top: 6px;
    }

    body.dash-nav-open .dash-nav-toggle-icon {
        background: transparent;
    }

    body.dash-nav-open .dash-nav-toggle-icon::before {
        top: 0;
        transform: rotate(45deg);
    }

    body.dash-nav-open .dash-nav-toggle-icon::after {
        top: 0;
        transform: rotate(-45deg);
    }

    .dash-nav-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 210;
        border: 0;
        padding: 0;
        margin: 0;
        background: rgba(0, 0, 0, 0.55);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.22s ease, visibility 0.22s ease;
        cursor: pointer;
    }

    body.dash-nav-open .dash-nav-backdrop {
        opacity: 1;
        visibility: visible;
    }

    .dash-sidebar {
        inset: 0 auto 0 0;
        width: min(86vw, 300px);
        min-height: 100dvh;
        border-right: 1px solid rgba(201, 169, 98, 0.12);
        border-bottom: 0;
        transform: translateX(-105%);
        transition: transform 0.24s ease;
        padding-top: var(--safe-top);
        padding-bottom: var(--safe-bottom);
        box-shadow: 24px 0 48px rgba(0, 0, 0, 0.45);
    }

    body.dash-nav-open .dash-sidebar {
        transform: translateX(0);
    }

    .dash-sidebar-inner {
        display: flex;
        flex-direction: column;
        min-height: calc(100dvh - var(--safe-top) - var(--safe-bottom));
        padding: 20px 16px 18px;
        gap: 0;
    }

    .dash-brand {
        grid-area: unset;
        margin-bottom: 24px;
        padding-right: 52px;
    }

    .dash-nav-links {
        grid-area: unset;
        flex-direction: column;
        flex-wrap: nowrap;
        overflow-x: visible;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        gap: 4px;
        margin-top: 0;
        padding-bottom: 12px;
        flex: 1;
    }

    .dash-nav-link {
        min-height: 44px;
        flex-shrink: unset;
        white-space: normal;
    }

    .dash-nav-link.is-active {
        box-shadow: inset 3px 0 0 var(--gold);
    }

    .dash-nav-footer {
        grid-area: unset;
        margin-top: auto;
        padding-top: 16px;
        border-top: 1px solid rgba(201, 169, 98, 0.1);
        display: block;
    }

    .dash-nav-footer .btn-ghost-sm {
        width: 100%;
        min-height: 44px;
    }

    body.dash-nav-open {
        overflow: hidden;
        touch-action: none;
    }

    .dash-page {
        padding: 16px max(14px, var(--safe-left)) calc(24px + var(--safe-bottom)) max(14px, var(--safe-right));
    }

    .dash-top {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .dash-top h1 {
        font-size: 1.65rem;
        line-height: 1.15;
    }

    .dash-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .period-tabs {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x proximity;
        max-width: 100%;
        padding-bottom: 2px;
    }

    .period-tab {
        flex-shrink: 0;
        scroll-snap-align: start;
        min-height: 40px;
    }

    .table-wrap {
        -webkit-overflow-scrolling: touch;
        margin-left: calc(-1 * max(14px, var(--safe-left)));
        margin-right: calc(-1 * max(14px, var(--safe-right)));
        padding-left: max(14px, var(--safe-left));
        padding-right: max(14px, var(--safe-right));
        border-radius: 0;
        border-left: 0;
        border-right: 0;
    }

    table.charges {
        min-width: 640px;
    }

    table.charges th,
    table.charges td {
        padding: 10px 12px;
        font-size: max(14px, 0.84rem);
    }

    .panel-card {
        padding: 16px;
        border-radius: 16px;
    }

    .totals-grid,
    .platform-summary-grid,
    .home-links-grid,
    .coop-team-metrics {
        grid-template-columns: 1fr;
    }

    .invest-form,
    .coop-form {
        grid-template-columns: 1fr;
    }

    .invest-form .field-wide,
    .invest-form .invest-form-actions,
    .coop-form .field-platform {
        grid-column: auto;
    }

    .home-chart-summary {
        text-align: left;
    }

    .home-result-hero-value {
        font-size: 1.65rem;
    }
}

@media (max-width: 480px) {
    .card {
        padding: 24px 18px 22px;
        border-radius: 16px;
    }

    .brand h1 {
        font-size: 1.85rem;
    }

    .dash-top h1 {
        font-size: 1.45rem;
    }

    .breakeven-hero-value {
        font-size: 1.55rem;
    }

    .btn-primary,
    .btn-ghost {
        min-height: 44px;
    }
}