/**
 * ChatGuard – Mobile & PWA layout (small screens, safe areas, touch)
 */

: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);
    --app-vh: 100dvh;
    --keyboard-offset: 0px;
    --keyboard-accessory-gap: 0px;
    --touch-min: 44px;
}

/* iOS installerad PWA: 100dvh/innerHeight ljuger vid cold start – använd 100vh */
html.cg-pwa-standalone {
    --app-vh: 100vh;
}

@supports not (height: 100dvh) {
    :root {
        --app-vh: 100vh;
    }
}

/* ─── Viewport height & overflow ─── */
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    min-height: var(--app-vh);
    padding-left: var(--safe-left);
    padding-right: var(--safe-right);
}

/* Chatt / auth / musik / publika sidor: safe areas hanteras per layout */
body.chat-layout,
body.auth-layout,
body.music-layout,
body.pub-layout {
    padding-left: 0 !important;
    padding-right: 0 !important;
}

body.pub-layout,
body.auth-layout {
    min-height: var(--app-vh);
    display: flex;
    flex-direction: column;
}

.pub-layout > main,
.auth-layout > .auth-main {
    flex: 1 1 auto;
    min-width: 0;
}

body.app-layout {
    min-height: var(--app-vh);
    display: flex;
    flex-direction: column;
}

.app-main {
    min-height: calc(var(--app-vh) - var(--topnav-h));
    padding-bottom: var(--safe-bottom);
}

.app-main--chat,
.app-main--music {
    padding-bottom: 0 !important;
    flex: 1 1 0;
    min-height: 0;
}

/* Chatt mobil: höjd via --app-vh (innerHeight) i chat-viewport-sync + chat-pwa.css */

/* Chatt mobil/PWA: chat-pwa.css + chat-layout.css (samma flex-shell som övriga sidor) */

/* Avoid 100vw horizontal scroll on mobile */
@media (max-width: 900px) {
    .viewport-bleed {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    /* Topnav – alla app-sidor inkl. chatt (safe area inuti nav, bakgrund hela vägen upp) */
    body.app-layout .app-topnav {
        position: relative;
        top: 0;
        flex: 0 0 calc(var(--topnav-h) + var(--safe-top));
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding-left: max(12px, var(--safe-left));
        padding-right: max(12px, var(--safe-right));
        padding-top: var(--safe-top);
        height: calc(var(--topnav-h) + var(--safe-top));
        min-height: calc(var(--topnav-h) + var(--safe-top));
        box-sizing: border-box;
        align-self: stretch;
    }

    body.app-layout .app-topnav::before {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        height: var(--safe-top);
        background: var(--bg-surface);
        pointer-events: none;
    }

    html.cg-pwa-standalone:has(body.app-layout),
    html:has(body.app-layout) {
        padding: 0;
        margin: 0;
    }

    html.cg-pwa-standalone body.app-layout,
    body.app-layout {
        margin-top: 0;
        padding-top: 0 !important;
    }

    body.app-layout .topnav-links {
        top: calc(var(--topnav-h) + var(--safe-top));
        padding-bottom: max(12px, var(--safe-bottom));
        max-height: calc(var(--app-vh) - var(--topnav-h) - var(--safe-top) - 16px);
    }

    .notif-panel {
        top: calc(var(--topnav-h) + var(--safe-top) + 8px);
        right: max(12px, var(--safe-right));
        left: max(12px, var(--safe-left));
        width: auto;
        max-width: none;
    }
}

/* ─── Page content ─── */
@media (max-width: 900px) {
    .page-shell:not(:has(.settings-page)):not(:has(.rpt-page)):not(:has(.upd)) {
        padding: 14px max(14px, var(--safe-left)) max(24px, calc(16px + var(--safe-bottom))) max(14px, var(--safe-right));
    }

    .page-shell--full:not(:has(.settings-page)):not(:has(.rpt-page)):not(:has(.upd)) {
        padding-left: max(12px, var(--safe-left));
        padding-right: max(12px, var(--safe-right));
    }

    body.chat-layout .page-shell--chat,
    body.music-layout .page-shell--music {
        padding: 0 !important;
        padding-bottom: 0 !important;
        min-height: 0;
        flex: 1 1 0;
        height: 100%;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    body.chat-layout .app-main--chat > .chat-app {
        flex: 1 1 0;
        min-height: 0;
        height: 100%;
    }

    .page-header {
        gap: 10px;
    }

    .page-header h1 {
        font-size: clamp(1.15rem, 4.5vw, 1.35rem);
        line-height: 1.25;
        word-break: break-word;
    }

    .page-header-actions {
        width: 100%;
        flex-wrap: wrap;
        gap: 8px;
    }

    .page-header-actions .btn {
        flex: 1 1 auto;
        min-width: min(100%, 140px);
        justify-content: center;
    }

    .page-alert {
        margin-left: 0;
        margin-right: 0;
    }
}

@media (max-width: 480px) {
    :root {
        --topnav-h: 56px;
    }

    .page-shell {
        padding: 12px max(10px, var(--safe-left)) max(20px, calc(12px + var(--safe-bottom))) max(10px, var(--safe-right));
    }

    .page-header-actions .btn {
        width: 100%;
        min-width: 0;
    }
}

/* ─── Touch targets ─── */
@media (hover: none) and (pointer: coarse) {
    .btn-icon,
    .topnav-toggle,
    .notif-btn,
    .pwa-install-btn,
    .chat-attach-btn,
    .chat-voice-msg-btn,
    .emoji-toggle,
    .send-btn {
        min-width: var(--touch-min);
        min-height: var(--touch-min);
    }

    .btn:not(.btn-icon):not(.btn-sm):not(.btn-link) {
        min-height: var(--touch-min);
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .topnav-item {
        min-height: var(--touch-min);
    }

    .dropdown-item,
    .notif-panel-item {
        min-height: var(--touch-min);
        padding-top: 12px;
        padding-bottom: 12px;
    }

    .st-nav-item {
        min-height: var(--touch-min);
    }

    .settings-switch {
        min-width: 48px;
        min-height: 28px;
    }
}

/* iOS: prevent zoom on focus */
@media (max-width: 900px) {
    input:not([type="checkbox"]):not([type="radio"]):not([type="range"]),
    select,
    textarea,
    .chat-search input {
        font-size: max(16px, 1rem);
    }
}

/* ─── Tables & wide content ─── */
@media (max-width: 900px) {
    .table-wrap,
    .page-body > table,
    .st-card > table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table-wrap table {
        min-width: 520px;
    }

    .dash-grid,
    .groups-grid,
    .friends-grid,
    .profile-grid {
        gap: 12px;
    }

    .card,
    .st-card,
    .dash-card,
    .groups-card {
        min-width: 0;
    }
}

/* ─── Settings (sidebar → mobile picker) ─── */
@media (max-width: 900px) {
    .set-page,
    .set-layout,
    .cfg,
    .cfg-frame {
        min-width: 0;
    }

    .cfg-rail__select,
    .set-sidebar__select {
        min-height: var(--touch-min);
        font-size: 1rem;
        touch-action: manipulation;
    }

    .st-page {
        min-width: 0;
    }

    .st-hero {
        padding: 16px max(14px, var(--safe-left)) 16px max(14px, var(--safe-right));
    }

    .st-hero-title {
        font-size: clamp(1.25rem, 5vw, 1.5rem);
    }

    .st-sidebar {
        position: relative;
        z-index: 2;
        pointer-events: auto;
    }

    .st-nav-select-wrap {
        display: block;
        margin-bottom: 10px;
    }

    .st-nav-select-label {
        display: block;
        font-size: 0.75rem;
        font-weight: 600;
        color: var(--text-muted);
        margin-bottom: 6px;
        text-transform: uppercase;
        letter-spacing: 0.04em;
    }

    .st-nav-select {
        width: 100%;
        min-height: var(--touch-min);
        padding: 10px 36px 10px 12px;
        font-size: 1rem;
        font-family: inherit;
        color: var(--text);
        background: var(--bg-elevated);
        border: 1px solid var(--border);
        border-radius: 10px;
        cursor: pointer;
        touch-action: manipulation;
        -webkit-appearance: none;
        appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='%239ca3af'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 8px center;
        background-size: 24px;
    }

    .st-nav.st-nav--tabs {
        flex-direction: column;
        overflow: visible;
        gap: 4px;
        padding-bottom: 0;
    }

    .st-nav-item {
        width: 100%;
        flex: none;
        min-width: 0;
        white-space: nowrap;
        font-size: 0.88rem;
        padding: 12px 14px;
        justify-content: flex-start;
        touch-action: manipulation;
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(124, 77, 255, 0.15);
    }

    .settings-row {
        flex-wrap: wrap;
        gap: 12px;
    }

    .settings-row-text {
        min-width: 0;
        flex: 1 1 180px;
    }

    .settings-theme-grid,
    .settings-visibility-grid,
    .settings-lang-grid {
        grid-template-columns: 1fr;
    }

    .settings-push-buttons {
        flex-direction: column;
    }

    .settings-push-buttons .btn {
        width: 100%;
    }
}

/* Modals on small screens: see cg-modal-sheet.css */

/* ─── Friends / groups / notifications lists ─── */
@media (max-width: 560px) {
    .friend-row,
    .notif-list-item,
    .groups-card {
        flex-wrap: wrap;
        gap: 10px;
    }

    .friend-row .btn,
    .discover-item .btn,
    .inline-form {
        width: 100%;
    }

    .notif-list-item .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Chat page: layout/PWA rules live in chat-layout.css (chat does not load this file) */

/* ─── Settings page (app layout) ─── */
@media (max-width: 900px) {
    .page-shell:has(.st-page),
    .page-shell:has(.set-page) {
        padding-left: max(12px, var(--safe-left));
        padding-right: max(12px, var(--safe-right));
        padding-bottom: max(24px, calc(16px + var(--safe-bottom)));
    }

    /* .settings-page fullscreen shell: see settings.css */

    .st-page,
    .set-page,
    .cfg {
        gap: 14px;
        min-width: 0;
    }

    .st-hero {
        border-radius: 14px;
    }

    .field input,
    .field select,
    .field textarea,
    .st-card input,
    .st-card select,
    .st-card textarea {
        max-width: 100%;
    }
}

/* ─── PWA standalone (installed app) ─── */
@media (display-mode: standalone), (display-mode: fullscreen) {
    body.app-layout .app-topnav {
        padding-top: var(--safe-top);
        height: calc(var(--topnav-h) + var(--safe-top));
        min-height: calc(var(--topnav-h) + var(--safe-top));
        flex-basis: calc(var(--topnav-h) + var(--safe-top));
    }
}

/* ─── Public & auth guest pages ─── */
@media (max-width: 900px) {
    body.pub-layout .app-topnav--guest,
    body.auth-layout .app-topnav--guest {
        position: relative;
        top: 0;
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding-left: max(12px, var(--safe-left));
        padding-right: max(12px, var(--safe-right));
        padding-top: var(--safe-top);
        height: calc(var(--topnav-h) + var(--safe-top));
        min-height: calc(var(--topnav-h) + var(--safe-top));
        box-sizing: border-box;
        align-self: stretch;
    }

    body.pub-layout .topnav-links,
    body.auth-layout .topnav-links {
        top: calc(var(--topnav-h) + var(--safe-top));
        padding-bottom: max(12px, var(--safe-bottom));
        max-height: calc(var(--app-vh) - var(--topnav-h) - var(--safe-top) - 16px);
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }

    .pub-layout > main {
        padding-left: max(14px, var(--safe-left));
        padding-right: max(14px, var(--safe-right));
        overflow-x: visible;
    }

    .pub-footer {
        padding-left: max(16px, var(--safe-left));
        padding-right: max(16px, var(--safe-right));
        padding-bottom: max(20px, calc(14px + var(--safe-bottom)));
    }

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

    .pub-cta {
        margin-left: max(12px, var(--safe-left));
        margin-right: max(12px, var(--safe-right));
    }

    .pub-legal-wrap {
        padding-left: max(14px, var(--safe-left));
        padding-right: max(14px, var(--safe-right));
        padding-bottom: max(40px, calc(28px + var(--safe-bottom)));
    }

    .pub-legal-nav {
        overflow-x: auto;
        overscroll-behavior-x: contain;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .pub-legal-nav::-webkit-scrollbar {
        display: none;
    }

    .pub-legal-wrap:not(.pub-guide-wrap) .pub-legal-nav ul {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 6px;
        min-width: min-content;
        padding-bottom: 4px;
    }

    .pub-legal-wrap:not(.pub-guide-wrap) .pub-legal-nav a {
        white-space: nowrap;
        flex-shrink: 0;
    }

    .auth-main {
        padding-bottom: max(20px, calc(16px + var(--safe-bottom))) !important;
    }

    .auth-foot {
        padding-bottom: max(14px, calc(12px + var(--safe-bottom))) !important;
    }
}

@media (max-width: 480px) {
    .pub-layout > main {
        padding-left: max(10px, var(--safe-left));
        padding-right: max(10px, var(--safe-right));
    }

    .pub-hero,
    .pub-section {
        padding-left: max(12px, var(--safe-left));
        padding-right: max(12px, var(--safe-right));
    }

    .pub-legal-wrap {
        padding-left: max(10px, var(--safe-left));
        padding-right: max(10px, var(--safe-right));
    }

    .pub-legal-hero--glass {
        padding: 18px 14px;
    }

    .pub-legal-block--glass {
        padding: 14px 12px;
    }

    .pub-legal-back {
        flex-direction: column;
        align-items: stretch;
    }

    .pub-legal-back .btn {
        width: 100%;
        justify-content: center;
    }

    .auth-card {
        padding: 18px 14px !important;
    }

    .auth-steps {
        flex-direction: column;
    }

    .auth-form-grid {
        grid-template-columns: 1fr !important;
    }
}

@media (display-mode: standalone), (display-mode: fullscreen) {
    body.pub-layout .app-topnav--guest,
    body.auth-layout .app-topnav--guest {
        padding-top: var(--safe-top);
        height: calc(var(--topnav-h) + var(--safe-top));
        min-height: calc(var(--topnav-h) + var(--safe-top));
    }
}

html.cg-pwa-standalone body.pub-layout,
html.cg-pwa-standalone body.auth-layout {
    min-height: var(--app-vh, 100dvh);
}

/* Legacy pub-nav (unused) */
@media (max-width: 720px) {
    .pub-nav {
        padding-left: max(14px, var(--safe-left));
        padding-right: max(14px, var(--safe-right));
        padding-top: max(10px, var(--safe-top));
    }

    .pub-nav-panel {
        padding-bottom: max(8px, var(--safe-bottom));
    }

    .pub-layout > main {
        padding-left: max(14px, var(--safe-left));
        padding-right: max(14px, var(--safe-right));
    }

    .pub-footer {
        padding-bottom: max(16px, calc(12px + var(--safe-bottom)));
    }
}

/* ─── Auth (login / register) – safe areas i auth.css; PWA-viewport via auth-viewport-sync ─── */
@media (max-width: 900px) {
    .auth-card,
    .auth-form,
    .auth-page__form {
        max-width: 100%;
        min-width: 0;
    }

    .auth-field-control input,
    .auth-field-control select {
        max-width: 100%;
    }

    .auth-legal,
    .auth-alert {
        overflow-wrap: anywhere;
        word-break: break-word;
    }
}

@media (display-mode: standalone) and (max-width: 900px) {
    html.cg-pwa-standalone body.auth-layout {
        min-height: var(--app-vh, 100dvh);
    }
}

/* ─── Utility: prevent children blowing layout ─── */
@media (max-width: 900px) {
    .page-body,
    .dash-card,
    .st-card,
    .settings-card {
        overflow-x: hidden;
        min-width: 0;
    }

    .page-body img,
    .message-attachment--image img {
        max-width: 100%;
        height: auto;
    }

    pre,
    code {
        max-width: 100%;
        overflow-x: auto;
    }

    .page-shell:has(.pub-guide-wrap--app),
    .page-shell:has(.pwa-guide-page) {
        padding-left: max(10px, var(--safe-left));
        padding-right: max(10px, var(--safe-right));
        box-sizing: border-box;
    }

    .page-body:has(.pub-guide-wrap--app),
    .page-body:has(.pwa-guide-page),
    .app-layout .pub-guide-wrap--app,
    .app-layout .pwa-guide-page {
        min-width: 0;
        max-width: 100%;
        overflow-x: visible;
        overflow-y: visible;
    }

    .app-layout .pub-guide-wrap--app .pub-legal-block p,
    .app-layout .pub-guide-wrap--app .pub-guide-cta-hint,
    .app-layout .pub-guide-wrap--app .muted.small {
        overflow-wrap: anywhere;
        word-break: break-word;
    }
}

@media (max-width: 480px) {
    .page-shell:has(.pub-guide-wrap--app) {
        padding: 10px max(8px, var(--safe-left)) max(16px, calc(8px + var(--safe-bottom))) max(8px, var(--safe-right));
    }

    .app-layout .pub-guide-wrap--app .pub-guide-toc-summary {
        padding: 10px 12px;
        font-size: 0.85rem;
    }

    .app-layout .pub-guide-wrap--app .pub-legal-nav a {
        padding: 10px;
        min-height: var(--touch-min, 44px);
        display: flex;
        align-items: center;
    }
}

/* Global toast (non-chat pages, voice errors) */
#appToast.chat-toast {
    position: fixed;
    left: 50%;
    bottom: max(20px, calc(12px + env(safe-area-inset-bottom, 0px)));
    transform: translateX(-50%);
    z-index: 400;
    background: var(--bg-elevated, #1a1a22);
    border: 1px solid var(--border, #2a2a36);
    color: var(--text, #f2f2f7);
    padding: 10px 18px;
    border-radius: 10px;
    font-size: 0.9rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    max-width: min(90vw, 360px);
    text-align: center;
    pointer-events: none;
}

#appToast.chat-toast.error {
    border-color: var(--error, #f44336);
    color: #ff8a80;
}