/* ---------- Theme tokens ---------- */
:root {
    --bg-base: #0f1115;
    --bg-elevated: #171a21;
    --bg-elevated-2: #1d212a;
    --bg-hover: #232833;
    --border: #2a2f3a;
    --border-strong: #3a4050;
    --text: #e6e9ef;
    --text-muted: rgb(141 147 153 / 78%);
    --text-dim: #5e6677;
    --accent: #5a8dff;
    --accent-hover: #4d7be0;
    --success: #4ade80;
    --warning: #fbbf24;
    --danger: #f87171;
    --read: #38bdf8;
    --radius: 8px;
    --sidebar-w: 220px;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; padding: 0; overflow-x: hidden; }
body {
    background: var(--bg-base);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
.text-muted { color: var(--text-muted) !important; }
.min-w-0 { min-width: 0 !important; }
.xsmall { font-size: .72rem; }

/* ---------- Layout ---------- */
.app-shell { display: flex; min-height: 100vh; }
.app-sidebar {
    width: var(--sidebar-w);
    background: var(--bg-elevated);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 10;
    transition: transform .18s ease;
}
.app-sidebar-backdrop { display: none; }
.app-brand { padding: 1rem 1rem .55rem; }
.app-brand a { color: var(--text); font-weight: 800; font-size: 1.12rem; letter-spacing: -.03em; }
.app-brand .accent { color: var(--accent); }
.brand-subtitle { margin-top: .15rem; color: var(--text-dim); font-size: .74rem; }
.app-nav { flex: 1; overflow-y: auto; padding: .35rem 0 .75rem; }
.nav-section {
    color: var(--text-dim);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .08em;
    padding: .7rem 1rem .25rem;
    text-transform: uppercase;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: .55rem;
    color: var(--text-muted);
    border-left: 3px solid transparent;
    padding: .42rem 1rem;
    transition: background .12s, color .12s;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active { background: rgba(90, 141, 255, .08); border-left-color: var(--accent); color: var(--text); }
.nav-item-disabled { opacity: .45; pointer-events: none; }
.nav-item i { width: 1.1rem; text-align: center; }
.nav-unread-pill {
    margin-left: auto;
    min-width: 1.35rem;
    height: 1.35rem;
    padding: 0 .4rem;
    border-radius: 999px;
    background: var(--accent);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .68rem;
    font-weight: 700;
}
.app-sidebar-footer {
    border-top: 1px solid var(--border);
    padding: .65rem .85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.user-chip { display: flex; align-items: center; gap: .5rem; color: var(--text-muted); font-size: .86rem; }
.app-main {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    min-width: 0;
    display: flex;
    flex-direction: column;
    transition: margin-left .18s ease;
}
.sidebar-collapsed .app-sidebar { transform: translateX(-100%); }
.sidebar-collapsed .app-main { margin-left: 0; }
.app-header {
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.page-heading { display: flex; align-items: center; gap: .75rem; min-width: 0; }
.page-title { margin: 0; font-size: 1.16rem; font-weight: 650; }
.page-kicker { color: var(--text-muted); font-size: .78rem; margin-top: .12rem; }
.page-actions { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: flex-end; }
.sidebar-toggle {
    width: 2.1rem;
    height: 2.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
}
.sidebar-toggle:hover { background: var(--bg-hover); color: var(--text); }
.app-content { padding: 1.5rem; flex: 1; min-width: 0; max-width: 100%; overflow-x: hidden; }

@media (max-width: 991.98px) {
    .app-sidebar { width: min(var(--sidebar-w), 82vw); transform: translateX(-100%); z-index: 1040; }
    .sidebar-open .app-sidebar { transform: translateX(0); }
    .app-main, .sidebar-collapsed .app-main { margin-left: 0; }
    .app-sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 1030;
        background: rgba(0, 0, 0, .45);
        opacity: 0;
        pointer-events: none;
        transition: opacity .18s ease;
    }
    .sidebar-open .app-sidebar-backdrop { opacity: 1; pointer-events: auto; }
    .app-header { align-items: flex-start; }
}
@media (max-width: 575.98px) {
    .app-header { flex-direction: column; }
    .page-heading, .page-actions { width: 100%; }
    .page-actions { justify-content: flex-start; }
    .page-actions > * { flex: 1 1 100%; }
    .app-content { padding: 1rem; }
}

/* ---------- Bootstrap surface ---------- */
.card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    min-width: 0;
}
.card-header {
    background: var(--bg-elevated-2);
    border-bottom: 1px solid var(--border);
    color: var(--text);
    padding: .75rem 1rem;
    font-weight: 550;
}
.card-body { padding: 1rem; }
.form-control, .form-select {
    background: var(--bg-base);
    border: 1px solid var(--border);
    color: var(--text);
}
.form-control:focus, .form-select:focus {
    background: var(--bg-base);
    border-color: var(--accent);
    color: var(--text);
    box-shadow: 0 0 0 .2rem rgba(90, 141, 255, .15);
}
.form-control:disabled { background: #12151b; border-color: var(--border); color: var(--text-dim); }
.form-control::placeholder { color: var(--text-dim); }
.form-label { color: var(--text-muted); font-size: .85rem; margin-bottom: .35rem; }
.form-text { color: var(--text-dim); }
.btn-primary { background: var(--accent); border-color: var(--accent); }
.btn-primary:hover, .btn-primary:focus { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-outline-secondary { color: var(--text-muted); border-color: var(--border-strong); }
.btn-outline-secondary:hover { background: var(--bg-hover); color: var(--text); border-color: var(--border-strong); }
.modal-dark { background: var(--bg-elevated); border: 1px solid var(--border); color: var(--text); }
.modal-dark .modal-header, .modal-dark .modal-footer { border-color: var(--border); }
.table { color: var(--text); margin-bottom: 0; }
.table > :not(caption) > * > * { background-color: transparent; color: var(--text); border-bottom-color: var(--border); }
.table thead th { color: var(--text-muted); font-size: .78rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.table tbody tr:hover > * { background-color: var(--bg-hover) !important; }
.progress { height: .4rem; background: var(--bg-base); }
.progress-bar { background: var(--accent); }

/* ---------- Domain components ---------- */
.badge { font-weight: 550; padding: .35em .6em; text-transform: capitalize; }
.badge.status-connected, .badge.status-qualified, .badge.status-ready, .badge.status-replied, .badge.status-running, .badge.status-active, .badge.status-approved { background: var(--success) !important; color: #0b1a0b; }
.badge.status-warming, .badge.status-review, .badge.status-queued, .badge.status-sent, .badge.status-listening, .badge.status-connecting, .badge.status-code_required, .badge.status-password_required { background: var(--warning) !important; color: #2a1f00; }
.badge.status-needs_login, .badge.status-error, .badge.status-failed { background: var(--danger) !important; color: white; }
.badge.status-draft, .badge.status-new, .badge.status-disconnected, .badge.status-logged_out, .badge.status-inactive, .badge.status-ignored { background: var(--bg-hover) !important; color: var(--text-muted); border: 1px solid var(--border-strong); }
.alert { border: 1px solid var(--border); }
.alert-success { background: rgba(74, 222, 128, .08); color: #b8f5c8; border-color: rgba(74, 222, 128, .25); }
.alert-danger { background: rgba(248, 113, 113, .08); color: #ffd1d1; border-color: rgba(248, 113, 113, .25); }
.alert-warning { background: rgba(251, 191, 36, .08); color: #fde68a; border-color: rgba(251, 191, 36, .25); }
.alert-info { background: rgba(90, 141, 255, .08); color: #cdd9ff; border-color: rgba(90, 141, 255, .25); }
.stat-tile {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.stat-tile .label { display: flex; align-items: center; gap: .4rem; color: var(--text-muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; margin-bottom: .35rem; }
.stat-tile .value { color: var(--text); display: flex; align-items: center; gap: .45rem; font-size: 1.65rem; font-weight: 650; }
.stat-tile .delta { color: var(--text-muted); font-size: .8rem; margin-top: .15rem; }
.stat-tile .delta.up { color: var(--success); }
.stat-sent .label, .stat-sent .value { color: var(--accent); }
.stat-read .label, .stat-read .value { color: var(--read); }
.stat-replies .label, .stat-replies .value { color: var(--success); }
.signal-row, .thread-row {
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--border);
}
.signal-row:last-child, .thread-row:last-child { border-bottom: 0; }
.score-pill {
    min-width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    background: rgba(90, 141, 255, .14);
    border: 1px solid rgba(90, 141, 255, .28);
    color: #cdd9ff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 750;
}
.timeline { display: grid; gap: .95rem; }
.timeline-item { display: grid; grid-template-columns: 1rem 1fr; gap: .75rem; }
.timeline-item p { margin: .12rem 0 0; color: var(--text-muted); font-size: .86rem; }
.timeline-marker, .status-dot {
    display: inline-flex;
    width: .62rem;
    height: .62rem;
    border-radius: 999px;
    margin-top: .28rem;
    background: var(--text-dim);
}
.status-connected { background: var(--success); }
.status-warming { background: var(--warning); }
.status-review { background: var(--accent); }
.status-draft { background: var(--text-dim); }
.mini-step {
    border: 1px solid var(--border);
    background: var(--bg-base);
    border-radius: var(--radius);
    padding: .85rem;
    color: var(--text-muted);
}
.mini-step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    margin-right: .45rem;
    border-radius: 999px;
    background: var(--accent);
    color: white;
    font-weight: 750;
}
.source-card, .queue-box {
    height: 100%;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    border-radius: var(--radius);
    padding: 1rem;
}
.source-title { font-weight: 650; }
.source-metrics { display: flex; justify-content: space-between; gap: .75rem; margin-top: 1.4rem; color: var(--text-muted); font-size: .8rem; }
.queue-box { background: var(--bg-base); display: grid; gap: .35rem; }
.queue-box span { color: var(--text-muted); font-size: .84rem; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.metric-grid div { background: var(--bg-base); border: 1px solid var(--border); border-radius: var(--radius); padding: .8rem; }
.metric-grid strong { display: block; font-size: 1.35rem; }
.metric-grid span { color: var(--text-muted); font-size: .8rem; }
.message-preview {
    max-width: 78%;
    border-radius: 12px;
    padding: .75rem .9rem;
    margin-bottom: .75rem;
    border: 1px solid var(--border);
}
.message-preview.inbound { background: var(--bg-base); }
.message-preview.outbound { background: rgba(90, 141, 255, .13); border-color: rgba(90, 141, 255, .25); margin-left: auto; }