/* ── Tokens ── */
:root {
    --font-mono: "Courier New", Courier, monospace;
    --radius: 4px;
    --border: 2px solid var(--color-border);
    --transition: 0.15s ease;
}

[data-theme="light"] {
    --color-bg:        #f5f0e8;
    --color-surface:   #fffdf7;
    --color-border:    #c8b89a;
    --color-text:      #2b2118;
    --color-muted:     #7a6a58;
    --color-accent:    #b84c00;
    --color-accent-bg: #fde8d8;
    --color-hover:     #ede8df;
}

[data-theme="dark"] {
    --color-bg:        #1a1612;
    --color-surface:   #242018;
    --color-border:    #4a3f30;
    --color-text:      #e8dfd0;
    --color-muted:     #8a7a68;
    --color-accent:    #e8824a;
    --color-accent-bg: #2e1e10;
    --color-hover:     #2e2820;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-mono), serif;
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    transition: background var(--transition), color var(--transition);
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ── */
.app-grid {
    display: grid;
    grid-template-columns: 220px 1fr 260px;
    grid-template-rows: auto 1fr;
    max-width: 1100px;
    margin: 0 auto;
    min-height: 100vh;
}

/* ── Top Bar ── */
.topbar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: var(--color-surface);
    border-bottom: var(--border);
}

.topbar-logo {
    font-size: 1.3rem;
    font-weight: bold;
    letter-spacing: 2px;
    color: var(--color-accent);
    text-transform: uppercase;
}

.topbar-logo span { color: var(--color-text); }

.topbar-actions { display: flex; align-items: center; gap: 10px; }

.btn {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 5px 12px;
    border: var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    background: transparent;
    color: var(--color-text);
    transition: background var(--transition), color var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover { background: var(--color-hover); }

.btn-accent {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.btn-accent:hover { opacity: 0.85; background: var(--color-accent); }

.theme-toggle {
    background: none;
    border: var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
    color: var(--color-text);
    transition: background var(--transition);
}

.theme-toggle:hover { background: var(--color-hover); }

/* ── Sidebar Left ── */
.sidebar-left {
    padding: 20px 14px;
    border-right: var(--border);
    background: var(--color-surface);
}

.nav-list { list-style: none; display: flex; flex-direction: column; gap: 4px; }

.nav-list li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background var(--transition);
}

.nav-list li a:hover,
.nav-list li a.active {
    background: var(--color-hover);
    text-decoration: none;
    color: var(--color-accent);
}

.nav-icon { font-size: 1rem; width: 20px; text-align: center; }

.nav-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 10px 0;
}

/* ── Feed ── */
.feed {
    border-right: var(--border);
    display: flex;
    flex-direction: column;
}

.feed-header {
    padding: 12px 18px;
    border-bottom: var(--border);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: var(--color-surface);
    position: sticky;
    top: 0;
    z-index: 10;
}

/* ── Compose Box ── */
.compose {
    padding: 14px 18px;
    border-bottom: var(--border);
    background: var(--color-surface);
    display: flex;
    gap: 12px;
}

.compose-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    border: var(--border);
    background: var(--color-accent-bg);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.compose-body { flex: 1; display: flex; flex-direction: column; gap: 8px; }

.compose-textarea {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    background: var(--color-bg);
    color: var(--color-text);
    border: var(--border);
    border-radius: var(--radius);
    padding: 8px 10px;
    resize: vertical;
    min-height: 70px;
    width: 100%;
    transition: border-color var(--transition);
}

.compose-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.compose-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.char-count { font-size: 0.75rem; color: var(--color-muted); }

/* ── Post Card ── */
.post {
    padding: 14px 18px;
    border-bottom: var(--border);
    display: flex;
    gap: 12px;
    transition: background var(--transition);
}

.post:hover { background: var(--color-hover); }

.post-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    border: var(--border);
    background: var(--color-accent-bg);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-accent);
}

.post-body { flex: 1; min-width: 0; }

.post-meta {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 5px;
    flex-wrap: wrap;
}

.post-name {
    font-weight: bold;
    font-size: 0.88rem;
    color: var(--color-text);
}

.post-handle, .post-time {
    font-size: 0.78rem;
    color: var(--color-muted);
}

.post-content {
    font-size: 0.88rem;
    line-height: 1.55;
    word-break: break-word;
}

.post-content .hashtag { color: var(--color-accent); }
.post-content .mention { color: var(--color-accent); }

.post-actions {
    display: flex;
    gap: 18px;
    margin-top: 10px;
}

.post-action-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-muted);
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 2px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition);
}

.post-action-btn:hover { color: var(--color-accent); }

.boost-header {
    font-size: 0.9rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e0e0e0;
}

.boost-icon {
    margin-right: 0.5rem;
    font-size: 1.1rem;
    color: #17bf63;
}

[data-theme="dark"] .boost-header {
    border-bottom-color: #3a3a3a;
}

[data-theme="dark"] .boost-icon {
    color: #1da1f2;
}


/* ── Sidebar Right ── */
.sidebar-right {
    padding: 20px 14px;
    background: var(--color-surface);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.widget {
    border: var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.widget-header {
    padding: 8px 12px;
    background: var(--color-accent-bg);
    border-bottom: var(--border);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    font-weight: bold;
}

.widget-body { padding: 10px 12px; }

.trend-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.trend-item { font-size: 0.8rem; }

.trend-tag {
    display: block;
    color: var(--color-accent);
    font-weight: bold;
}

.trend-count { font-size: 0.72rem; color: var(--color-muted); }

.who-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.who-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
}

.who-avatar {
    width: 30px;
    height: 30px;
    border-radius: var(--radius);
    border: var(--border);
    background: var(--color-accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.who-info { flex: 1; min-width: 0; }
.who-name { font-weight: bold; color: var(--color-text); display: block; }
.who-handle { color: var(--color-muted); font-size: 0.72rem; }

/* ── Responsive ── */
@media (max-width: 860px) {
    .app-grid { grid-template-columns: 56px 1fr; }
    .sidebar-right { display: none; }
    .nav-list li a span:not(.nav-icon) { display: none; }
    .sidebar-left { padding: 20px 8px; }
}

@media (max-width: 520px) {
    .app-grid { grid-template-columns: 1fr; }
    .sidebar-left { display: none; }
}

/* ── Focus Post ── */
.focus-post {
    padding: 20px 18px;
    border-bottom: var(--border);
    background: var(--color-surface);
}

.focus-post-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.focus-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    border: var(--border);
    background: var(--color-accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--color-accent);
    flex-shrink: 0;
}

.focus-name {
    font-weight: bold;
    font-size: 0.95rem;
    display: block;
}

.focus-handle {
    font-size: 0.8rem;
    color: var(--color-muted);
}

.focus-content {
    font-size: 1rem;
    line-height: 1.65;
    margin-bottom: 14px;
    word-break: break-word;
}

.focus-timestamp {
    font-size: 0.78rem;
    color: var(--color-muted);
    padding-bottom: 14px;
    border-bottom: var(--border);
    margin-bottom: 14px;
}

.focus-stats {
    display: flex;
    gap: 20px;
    padding-bottom: 14px;
    border-bottom: var(--border);
    margin-bottom: 14px;
    font-size: 0.82rem;
}

.focus-stat strong { color: var(--color-text); }
.focus-stat span   { color: var(--color-muted); }

.focus-actions {
    display: flex;
    gap: 18px;
}

/* ── Replies Section ── */
.replies-header {
    padding: 10px 18px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-muted);
    border-bottom: var(--border);
    background: var(--color-bg);
}

/* ── Reply Card ── */
.reply {
    padding: 14px 18px;
    border-bottom: var(--border);
    display: flex;
    gap: 12px;
    transition: background var(--transition);
    position: relative;
}

.reply:hover { background: var(--color-hover); }

/* highlighted state triggered by JS */
.reply.is-highlighted {
    background: var(--color-highlight) !important;
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}

.reply-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    border: var(--border);
    background: var(--color-accent-bg);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--color-accent);
}

.reply-body { flex: 1; min-width: 0; }

.reply-meta {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

.reply-name  { font-weight: bold; font-size: 0.85rem; }
.reply-handle,
.reply-time  { font-size: 0.75rem; color: var(--color-muted); }

/* "in reply to" tag */
.in-reply-to {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.72rem;
    color: var(--color-muted);
    background: var(--color-accent-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1px 6px;
    margin-bottom: 5px;
    cursor: pointer;
    transition: color var(--transition), background var(--transition);
    width: fit-content;
}

.in-reply-to:hover {
    color: var(--color-accent);
    background: var(--color-hover);
}

.in-reply-to-arrow { font-size: 0.65rem; }

.reply-content {
    font-size: 0.85rem;
    line-height: 1.55;
    word-break: break-word;
}

.reply-content .hashtag,
.reply-content .mention { color: var(--color-accent); }

.reply-actions {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}
.participant-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.participant-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
}

.participant-avatar {
    width: 30px;
    height: 30px;
    border-radius: var(--radius);
    border: var(--border);
    background: var(--color-accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.participant-info { flex: 1; min-width: 0; }
.participant-name   { font-weight: bold; color: var(--color-text); display: block; }
.participant-handle { color: var(--color-muted); font-size: 0.72rem; }
.participant-count  { font-size: 0.72rem; color: var(--color-muted); }