/**
 * Simracing.Fan — Group Channels (Discord-like UX)
 *
 * Tab "Channels" nei gruppi BuddyPress: sidebar canali a sinistra + content area a destra.
 * Mobile (<768px): pattern list/detail, transition gestita lato UI tramite query var.
 * Dark mode: usa i CSS vars di buddyx-dark-theme se presenti, fallback a valori chiari.
 */

/* ==========================================================================
   Tokens (light mode default + dark mode override)
   ========================================================================== */

.sf-channels-app {
    /* Light defaults */
    --sfc-bg-page:        #f7f8fa;
    --sfc-bg-sidebar:     #f0f2f5;
    --sfc-bg-content:     #ffffff;
    --sfc-bg-hover:       rgba(0,0,0,0.04);
    --sfc-bg-active:      rgba(91,159,230,0.12);
    --sfc-text-primary:   #1c1e21;
    --sfc-text-secondary: #65676b;
    --sfc-text-muted:     #8a8d91;
    --sfc-border:         #e4e6eb;
    --sfc-link:           #1877f2;
    --sfc-accent:         #ff3030;     /* SF brand red */
    --sfc-accent-hover:   #d92020;
    --sfc-radius:         8px;
    --sfc-radius-sm:      6px;
    --sfc-shadow:         0 1px 2px rgba(0,0,0,0.06);
    --sfc-sidebar-width:  240px;
    --sfc-gap:            12px;

    background: var(--sfc-bg-page);
    color: var(--sfc-text-primary);
    border-radius: var(--sfc-radius);
    overflow: hidden;
    border: 1px solid var(--sfc-border);
    display: grid;
    grid-template-columns: var(--sfc-sidebar-width) 1fr;
    min-height: 520px;
    position: relative;
}

/* Dark mode (BuddyX parent toggles body.buddyx-dark-theme) */
body.buddyx-dark-theme .sf-channels-app {
    --sfc-bg-page:        #1a1a1a;
    --sfc-bg-sidebar:     #1e1e1e;
    --sfc-bg-content:     #232323;
    --sfc-bg-hover:       rgba(255,255,255,0.06);
    --sfc-bg-active:      rgba(91,159,230,0.18);
    --sfc-text-primary:   #e8e8e8;
    --sfc-text-secondary: #b3b3b3;
    --sfc-text-muted:     #8a8a8a;
    --sfc-border:         #2e2e2e;
    --sfc-link:           #5b9fe6;
    --sfc-shadow:         0 1px 2px rgba(0,0,0,0.4);
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sf-channels-sidebar {
    background: var(--sfc-bg-sidebar);
    border-right: 1px solid var(--sfc-border);
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

.sf-channels-sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px 8px;
    border-bottom: 1px solid var(--sfc-border);
    margin-bottom: 4px;
}

.sf-channels-sidebar-title {
    margin: 0;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--sfc-text-secondary);
}

.sf-channels-add-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: 1px solid var(--sfc-border);
    background: transparent;
    color: var(--sfc-text-secondary);
    border-radius: 50%;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.15s ease;
}

.sf-channels-add-btn:hover {
    background: var(--sfc-bg-hover);
    color: var(--sfc-text-primary);
}

.sf-channels-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sf-channels-empty-item {
    padding: 10px 12px;
    color: var(--sfc-text-muted);
    font-size: 13px;
}

.sf-channels-item {
    margin: 0;
    padding: 0;
}

.sf-channels-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: var(--sfc-radius-sm);
    color: var(--sfc-text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.12s ease, color 0.12s ease;
    line-height: 1.3;
    min-height: 40px; /* touch target */
}

.sf-channels-link:hover,
.sf-channels-link:focus {
    background: var(--sfc-bg-hover);
    color: var(--sfc-text-primary);
    text-decoration: none;
}

.sf-channels-item.is-active .sf-channels-link {
    background: var(--sfc-bg-active);
    color: var(--sfc-text-primary);
    font-weight: 600;
}

.sf-channels-icon {
    display: inline-block;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
    font-size: 16px;
}

.sf-channels-name {
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sf-channels-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background: var(--sfc-bg-hover);
    color: var(--sfc-text-muted);
}

.sf-channels-badge--readonly {
    background: rgba(255, 159, 28, 0.15);
    color: #b45309;
}
.sf-channels-badge--admin {
    background: rgba(255, 48, 48, 0.15);
    color: var(--sfc-accent);
}
body.buddyx-dark-theme .sf-channels-badge--readonly { color: #fbbf24; }
body.buddyx-dark-theme .sf-channels-badge--admin    { color: #ff6b6b; }

/* ==========================================================================
   Create channel (admin)
   ========================================================================== */

.sf-channels-create {
    margin-top: 12px;
    padding: 8px;
    border-top: 1px solid var(--sfc-border);
}

.sf-channels-create-trigger {
    cursor: pointer;
    padding: 8px 10px;
    color: var(--sfc-text-secondary);
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--sfc-radius-sm);
    list-style: none;
}
.sf-channels-create-trigger::-webkit-details-marker { display: none; }
.sf-channels-create-trigger:hover {
    background: var(--sfc-bg-hover);
    color: var(--sfc-text-primary);
}

.sf-channels-create-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 4px 4px;
}

/* Label form (riutilizzato dal create channel form admin) — la regola era nel
   blocco "Post form" prima della migrazione al componente sf-chat. */
.sf-channels-post-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--sfc-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.sf-channels-create-form input[type="text"],
.sf-channels-create-form select {
    width: 100%;
    padding: 8px 10px;
    background: var(--sfc-bg-content);
    border: 1px solid var(--sfc-border);
    border-radius: var(--sfc-radius-sm);
    color: var(--sfc-text-primary);
    font-size: 13px;
}

.sf-channels-create-submit {
    margin-top: 4px;
    padding: 8px 12px;
    background: var(--sfc-accent);
    color: #fff;
    border: none;
    border-radius: var(--sfc-radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.12s ease;
}
.sf-channels-create-submit:hover { background: var(--sfc-accent-hover); }

/* ==========================================================================
   Content area
   ========================================================================== */

.sf-channels-content {
    background: var(--sfc-bg-content);
    display: flex;
    flex-direction: column;
    min-width: 0; /* prevents grid blowout */
}

.sf-channels-content-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--sfc-border);
    background: var(--sfc-bg-content);
    position: sticky;
    top: 0;
    z-index: 1;
}

.sf-channels-back {
    display: none; /* solo mobile */
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: var(--sfc-text-secondary);
    text-decoration: none;
    font-size: 18px;
    flex-shrink: 0;
}
.sf-channels-back:hover {
    background: var(--sfc-bg-hover);
    color: var(--sfc-text-primary);
    text-decoration: none;
}

.sf-channels-content-icon {
    font-size: 22px;
    flex-shrink: 0;
}

.sf-channels-content-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--sfc-text-primary);
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sf-channels-content-body {
    flex: 1 1 auto;
    padding: 16px 18px;
    overflow-y: auto;
}

.sf-channels-content-empty {
    padding: 40px 20px;
    color: var(--sfc-text-muted);
    text-align: center;
}

/* ==========================================================================
   Threads / Post form
   ── Le regole di rendering chat (sf-channels-thread*, sf-channels-post-form*)
   sono state migrate al componente sf-chat (assetss/css/sf-chat.css). I canali
   ora usano `.sf-chat-messages--channel` e `.sf-chat-form--channel` come
   classi container.
   ========================================================================== */

.sf-channels-readonly-notice {
    margin-top: 16px;
    padding: 10px 14px;
    background: var(--sfc-bg-page);
    border-left: 3px solid var(--sfc-text-muted);
    color: var(--sfc-text-secondary);
    font-size: 13px;
    border-radius: var(--sfc-radius-sm);
}

/* ==========================================================================
   Empty states
   ========================================================================== */

.sf-channels-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--sfc-text-muted);
    background: var(--sfc-bg-content, #fff);
    border-radius: var(--sfc-radius);
}

/* ==========================================================================
   Mobile (<768px) — list/detail pattern
   ========================================================================== */

@media (max-width: 767px) {
    .sf-channels-app {
        grid-template-columns: 1fr;
        min-height: 60vh;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    /* Default: show list, hide content */
    .sf-channels-sidebar { display: flex; }
    .sf-channels-content { display: none; }

    /* When ?channel=slug is present, show content, hide list */
    .sf-channels-app[data-mobile-view="content"] .sf-channels-sidebar { display: none; }
    .sf-channels-app[data-mobile-view="content"] .sf-channels-content { display: flex; }

    .sf-channels-back { display: inline-flex; }

    .sf-channels-link { padding: 12px; min-height: 44px; }

    .sf-channels-content-head { padding: 12px 14px; }
    .sf-channels-content-body { padding: 14px; }

    .sf-channels-content-title { font-size: 16px; }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .sf-channels-link,
    .sf-channels-add-btn,
    .sf-channels-create-submit {
        transition: none;
    }
}

/* ==========================================================================
   FASE 3 — Template selection (custom create step)
   ========================================================================== */

.sf-channels-template-step {
    --sfc-bg-page:        #f7f8fa;
    --sfc-bg-content:     #ffffff;
    --sfc-bg-hover:       rgba(0,0,0,0.04);
    --sfc-bg-active:      rgba(91,159,230,0.12);
    --sfc-text-primary:   #1c1e21;
    --sfc-text-secondary: #65676b;
    --sfc-text-muted:     #8a8d91;
    --sfc-border:         #e4e6eb;
    --sfc-link:           #1877f2;
    --sfc-accent:         #ff3030;
    --sfc-radius:         8px;
}
body.buddyx-dark-theme .sf-channels-template-step {
    --sfc-bg-page:        #1a1a1a;
    --sfc-bg-content:     #232323;
    --sfc-bg-hover:       rgba(255,255,255,0.06);
    --sfc-bg-active:      rgba(91,159,230,0.18);
    --sfc-text-primary:   #e8e8e8;
    --sfc-text-secondary: #b3b3b3;
    --sfc-text-muted:     #8a8a8a;
    --sfc-border:         #2e2e2e;
    --sfc-link:           #5b9fe6;
}

.sf-channels-template-intro {
    color: var(--sfc-text-secondary);
    margin-bottom: 16px;
}

.sf-channels-template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin: 16px 0;
}

.sf-channels-template-card {
    display: flex;
    flex-direction: column;
    padding: 16px;
    background: var(--sfc-bg-content);
    border: 2px solid var(--sfc-border);
    border-radius: var(--sfc-radius);
    cursor: pointer;
    transition: border-color 0.15s ease, transform 0.1s ease;
    position: relative;
}

.sf-channels-template-card:hover {
    border-color: var(--sfc-link);
}

.sf-channels-template-card.is-selected,
.sf-channels-template-card:has(input[type="radio"]:checked) {
    border-color: var(--sfc-accent);
    background: var(--sfc-bg-active);
}

.sf-channels-template-card input[type="radio"] {
    position: absolute;
    top: 12px;
    right: 12px;
    margin: 0;
}

.sf-channels-template-card-icon {
    font-size: 28px;
    margin-bottom: 6px;
}

.sf-channels-template-card-title {
    font-weight: 700;
    font-size: 16px;
    color: var(--sfc-text-primary);
    margin-bottom: 4px;
}

.sf-channels-template-card-desc {
    font-size: 13px;
    color: var(--sfc-text-secondary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.sf-channels-template-card-channels {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--sfc-border);
    padding-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sf-channels-template-card-channels li {
    font-size: 13px;
    color: var(--sfc-text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.sf-channels-template-card-access {
    font-style: normal;
    margin-left: auto;
    font-size: 11px;
    color: var(--sfc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.sf-channels-template-note {
    color: var(--sfc-text-muted);
    font-size: 12px;
    font-style: italic;
}

/* ==========================================================================
   FASE 3 — Manage channels screen (group admin)
   ========================================================================== */

.sf-channels-manage-list {
    list-style: none;
    margin: 12px 0 24px;
    padding: 0;
    border: 1px solid #e4e6eb;
    border-radius: 8px;
    overflow: hidden;
}
body.buddyx-dark-theme .sf-channels-manage-list { border-color: #2e2e2e; }

.sf-channels-manage-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-bottom: 1px solid #e4e6eb;
}
body.buddyx-dark-theme .sf-channels-manage-item { border-bottom-color: #2e2e2e; }
.sf-channels-manage-item:last-child { border-bottom: none; }

.sf-channels-manage-icon { font-size: 18px; flex-shrink: 0; }
.sf-channels-manage-name { font-weight: 600; flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sf-channels-manage-order {
    width: 60px;
    padding: 4px 8px;
    border: 1px solid #e4e6eb;
    border-radius: 4px;
    font-size: 13px;
}
.sf-channels-manage-access,
.sf-channels-manage-kind {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #65676b;
    padding: 2px 8px;
    background: rgba(0,0,0,0.04);
    border-radius: 4px;
    white-space: nowrap;
}
body.buddyx-dark-theme .sf-channels-manage-access,
body.buddyx-dark-theme .sf-channels-manage-kind {
    color: #b3b3b3;
    background: rgba(255,255,255,0.06);
}

.sf-channels-manage-delete {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #d92020;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}

@media (max-width: 640px) {
    .sf-channels-manage-item {
        flex-wrap: wrap;
        gap: 8px;
    }
    .sf-channels-manage-name { flex-basis: 100%; }
}

/* ==========================================================================
   FASE 4 — Kind widgets (Events / Resources / Marketplace)
   ========================================================================== */

.sf-channels-kind-widget {
    margin-bottom: 18px;
    padding: 14px 16px;
    background: var(--sfc-bg-page);
    border: 1px solid var(--sfc-border);
    border-radius: var(--sfc-radius);
}

.sf-channels-kind-title {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--sfc-text-secondary);
}

.sf-channels-kind-empty {
    margin: 0;
    color: var(--sfc-text-muted);
    font-size: 13px;
    font-style: italic;
}

.sf-channels-kind-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.sf-channels-kind-list--events { grid-template-columns: 1fr; }
.sf-channels-kind-list--resources { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.sf-channels-kind-card {
    display: flex;
    gap: 10px;
    padding: 8px;
    background: var(--sfc-bg-content);
    border: 1px solid var(--sfc-border);
    border-radius: var(--sfc-radius-sm, 6px);
    transition: border-color 0.12s ease;
}
.sf-channels-kind-card:hover { border-color: var(--sfc-link); }

.sf-channels-kind-card-thumb img,
.sf-channels-kind-thumb {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 4px;
    display: block;
    flex-shrink: 0;
}

.sf-channels-kind-list--resources .sf-channels-kind-card {
    flex-direction: column;
}
.sf-channels-kind-list--resources .sf-channels-kind-card-thumb img,
.sf-channels-kind-list--resources .sf-channels-kind-thumb {
    width: 100%;
    height: 100px;
}

.sf-channels-kind-card-body { min-width: 0; flex: 1 1 auto; }

.sf-channels-kind-card-title {
    display: block;
    color: var(--sfc-link);
    font-weight: 600;
    text-decoration: none;
    line-height: 1.3;
    word-break: break-word;
}
.sf-channels-kind-card-title:hover { text-decoration: underline; }

.sf-channels-kind-card-meta {
    margin-top: 4px;
    font-size: 12px;
    color: var(--sfc-text-muted);
}

.sf-channels-kind-products .woocommerce ul.products li.product {
    margin: 0;
}