/* ══════════════════════════════════════════════════════════════════
   DIGITALSAT — SIGNAL VARIANT
   Industrial / Tactile Broadcast Gear
   Graphite + Oxide Orange + Sterile Cyan
   ══════════════════════════════════════════════════════════════════ */

:root {
    /* Color palette — Signal */
    --sig-bg: #18181A;
    --sig-panel: #222226;
    --sig-panel2: #2B2B30;
    --sig-ridge: #3A3A40;
    --sig-border: #101013;
    --sig-text: #EDEDEA;
    --sig-dim: #8E8E92;
    --sig-dim2: #55555B;
    --sig-oxide: #E86A2F;
    --sig-oxide-dark: #B8501E;
    --sig-cyan: #4CC6D0;
    --sig-green: #5EDB87;
    --sig-red: #E5534B;
    --sig-warn: #E8B43F;

    /* Override legacy app.css tokens so non-themed surfaces land in the Signal palette */
    --bg-base: var(--sig-bg);
    --bg-surface: var(--sig-panel);
    --bg-surface-hover: var(--sig-panel2);
    --bg-active: rgba(232, 106, 47, 0.12);
    --border: var(--sig-ridge);
    --border-active: var(--sig-oxide);
    --accent: var(--sig-oxide);
    --accent-violet: var(--sig-cyan);
    --text-primary: var(--sig-text);
    --text-secondary: var(--sig-dim);
    --text-muted: var(--sig-dim2);
    --status-online: var(--sig-green);
    --status-standby: var(--sig-warn);
    --status-offline: var(--sig-red);

    /* Typography stacks */
    --sig-head: "Space Grotesk", system-ui, sans-serif;
    --sig-body: "IBM Plex Sans", system-ui, sans-serif;
    --sig-mono: "IBM Plex Mono", ui-monospace, monospace;
}

/* Hard reset for body onto Signal-graphite */
body {
    background-color: var(--sig-bg);
    color: var(--sig-text);
    font-family: var(--sig-body);
}

/* ─── Panel Treatment (load-bearing — industrial inset-highlight) ─── */

.sig-panel {
    background: linear-gradient(180deg, var(--sig-panel2), var(--sig-panel));
    box-shadow:
        inset 0 1px 0 var(--sig-ridge),
        inset 0 -1px 0 var(--sig-border),
        0 1px 0 #000;
    border-radius: 6px;
}

.sig-panel-flush {
    background: linear-gradient(180deg, var(--sig-panel2), var(--sig-panel));
    box-shadow:
        inset 0 1px 0 var(--sig-ridge),
        inset 0 -1px 0 var(--sig-border);
}

/* ─── Eyebrows / section labels ─── */

.sig-eyebrow {
    font-family: var(--sig-head);
    font-size: 11px;
    font-weight: 700;
    color: var(--sig-dim);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.sig-meta-line {
    font-family: var(--sig-mono);
    font-size: 11px;
    color: var(--sig-dim);
    letter-spacing: 0.3px;
}

.sig-h1 {
    font-family: var(--sig-head);
    font-size: 32px;
    font-weight: 700;
    color: var(--sig-text);
    letter-spacing: -0.5px;
    margin: 0;
}

.sig-h1-admin {
    font-family: var(--sig-head);
    font-size: 26px;
    font-weight: 700;
    color: var(--sig-text);
    letter-spacing: -0.5px;
    margin: 0;
}

/* ─── Signal TopBar ─── */

.sig-topbar {
    height: 56px;
    background: #0E0E10;
    border-bottom: 1px solid #000;
    box-shadow: inset 0 -1px 0 var(--sig-ridge);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 20px;
}

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

.sig-topbar-wordmark {
    font-family: var(--sig-head);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--sig-text);
}

.sig-topbar-version {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-dim);
    letter-spacing: 0.5px;
    margin-left: 4px;
}

.sig-pill-live {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-oxide);
    border: 1px solid var(--sig-oxide);
    padding: 1px 5px;
    letter-spacing: 1px;
    border-radius: 2px;
}

.sig-toggle {
    display: flex;
    gap: 2px;
    background: #000;
    padding: 3px;
    border-radius: 4px;
    border: 1px solid var(--sig-ridge);
}

.sig-toggle-btn {
    all: unset;
    cursor: pointer;
    padding: 6px 14px;
    font-family: var(--sig-head);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--sig-dim);
    border-radius: 2px;
    text-decoration: none;
    display: inline-block;
}

.sig-toggle-btn.active,
.sig-toggle-btn:focus-visible {
    color: #000;
    background: var(--sig-oxide);
    outline: none;
}

.sig-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
}

.sig-indicator-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.sig-indicator-dot.green {
    background: var(--sig-green);
    box-shadow: 0 0 6px var(--sig-green);
}

.sig-indicator-dot.cyan {
    background: var(--sig-cyan);
    box-shadow: 0 0 6px var(--sig-cyan);
}

.sig-indicator-dot.red {
    background: var(--sig-red);
    box-shadow: 0 0 6px var(--sig-red);
}

.sig-indicator-label {
    font-family: var(--sig-head);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--sig-dim);
}

.sig-topbar-user {
    font-family: var(--sig-mono);
    font-size: 11px;
    color: var(--sig-dim);
    border-left: 1px solid var(--sig-ridge);
    padding-left: 16px;
}

.sig-topbar-link {
    font-family: var(--sig-head);
    font-size: 11px;
    font-weight: 600;
    color: var(--sig-dim);
    letter-spacing: 1px;
    text-decoration: none;
    padding: 6px 10px;
    border: 1px solid var(--sig-ridge);
    border-radius: 3px;
    background: #000;
}

.sig-topbar-link:hover {
    color: var(--sig-oxide);
    border-color: var(--sig-oxide);
}

.sig-spacer {
    flex: 1;
}

/* ─── Site Filter Pills (TopBar) ─── */

.sig-site-pills {
    display: flex;
    gap: 4px;
    background: #000;
    padding: 3px;
    border-radius: 3px;
    border: 1px solid var(--sig-ridge);
}

.sig-site-pill {
    all: unset;
    cursor: pointer;
    padding: 5px 10px;
    font-family: var(--sig-head);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--sig-dim);
    border-radius: 2px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.sig-site-pill.active {
    background: var(--sig-panel2);
    color: var(--sig-text);
    box-shadow: inset 0 1px 0 var(--sig-ridge);
}

.sig-site-pill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.sig-site-pill-dot.online { background: var(--sig-green); }
.sig-site-pill-dot.offline { background: var(--sig-red); }

/* ─── Receiver Rack (Sidebar) ─── */

.sig-rack {
    width: 296px;
    background: var(--sig-panel);
    border-right: 1px solid #000;
    box-shadow: inset -1px 0 0 var(--sig-ridge);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sig-rack-header {
    padding: 16px 18px 12px;
    border-bottom: 1px solid #000;
    box-shadow: 0 1px 0 var(--sig-ridge);
}

.sig-rack-sub {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-dim2);
    margin-top: 4px;
}

.sig-rack-sub .online {
    color: var(--sig-green);
}

.sig-rack-list {
    flex: 1;
    overflow: auto;
    padding: 10px;
}

.sig-rack-item {
    all: unset;
    cursor: pointer;
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    margin-bottom: 6px;
    border-radius: 4px;
    background: transparent;
    border: 1px solid transparent;
    transition: background 120ms ease, border-color 120ms ease;
}

.sig-rack-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.sig-rack-item.active {
    background: var(--sig-panel2);
    border-color: var(--sig-oxide);
    box-shadow: inset 0 1px 0 var(--sig-ridge);
}

.sig-rack-item:focus-visible {
    outline: 2px solid var(--sig-oxide);
    outline-offset: -1px;
}

.sig-rack-row-1 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.sig-rack-name {
    font-family: var(--sig-head);
    font-size: 14px;
    font-weight: 600;
    color: var(--sig-text);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sig-rack-site {
    font-family: var(--sig-body);
    font-size: 11px;
    color: var(--sig-dim);
    margin-left: 18px;
}

.sig-rack-channel {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-dim2);
    margin-left: 18px;
    margin-top: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sig-rack-item.active .sig-rack-channel {
    color: var(--sig-oxide);
}

.sig-rack-footer {
    padding: 12px 14px;
    border-top: 1px solid #000;
    box-shadow: inset 0 1px 0 var(--sig-ridge);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sig-rack-footer a {
    font-family: var(--sig-head);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--sig-dim);
    text-decoration: none;
    padding: 6px 10px;
    border: 1px solid var(--sig-ridge);
    border-radius: 3px;
    text-align: center;
    background: #000;
}

.sig-rack-footer a:hover {
    color: var(--sig-oxide);
    border-color: var(--sig-oxide);
}

.sig-rack-add {
    all: unset;
    cursor: pointer;
    display: block;
    text-align: center;
    padding: 10px;
    margin: 8px;
    font-family: var(--sig-head);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--sig-oxide);
    border: 1px dashed var(--sig-ridge);
    border-radius: 4px;
}

.sig-rack-add:hover {
    border-color: var(--sig-oxide);
    background: rgba(232, 106, 47, 0.06);
}

/* ─── Status dot (glowing) ─── */

.sig-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.sig-dot.online {
    background: var(--sig-green);
    box-shadow: 0 0 8px rgba(94, 219, 135, 0.6);
}

.sig-dot.standby {
    background: var(--sig-warn);
    box-shadow: 0 0 8px rgba(232, 180, 63, 0.6);
}

.sig-dot.offline {
    background: var(--sig-red);
}

/* ─── Mono Badge (Receiver type) ─── */

.sig-badge {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-dim);
    letter-spacing: 1px;
    border: 1px solid var(--sig-ridge);
    padding: 2px 6px;
    border-radius: 2px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-transform: uppercase;
    background: transparent;
}

.sig-badge.skyq { color: #7BB4F0; border-color: rgba(123, 180, 240, 0.35); }
.sig-badge.dazn { color: #F5C776; border-color: rgba(245, 199, 118, 0.35); }
.sig-badge.vuplus { color: #B8A3F5; border-color: rgba(184, 163, 245, 0.35); }
.sig-badge.digiturk { color: #E87B7B; border-color: rgba(232, 123, 123, 0.35); }

/* ─── Status Pill (for detail header) ─── */

.sig-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #000;
    padding: 4px 10px;
    border-radius: 3px;
    border: 1px solid var(--sig-ridge);
    font-family: var(--sig-head);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.sig-status-pill.online { color: var(--sig-green); }
.sig-status-pill.standby { color: var(--sig-warn); }
.sig-status-pill.offline { color: var(--sig-red); }

/* ─── Main Content Area ─── */

.sig-main {
    flex: 1;
    overflow: auto;
    background: var(--sig-bg);
    padding: 28px;
    min-width: 0;
}

.sig-main-admin {
    flex: 1;
    overflow: auto;
    background: var(--sig-bg);
    padding: 24px;
    min-width: 0;
}

/* ─── Detail Header Panel ─── */

.sig-detail-header {
    padding: 20px 24px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.sig-detail-header-meta {
    flex: 1;
    min-width: 200px;
}

.sig-detail-crumbs {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-dim);
    letter-spacing: 1.5px;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.sig-detail-name-row {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.sig-detail-ids {
    font-family: var(--sig-mono);
    font-size: 11px;
    color: var(--sig-dim);
    margin-top: 8px;
}

/* ─── Power Button (hardware) ─── */

.sig-power {
    all: unset;
    cursor: pointer;
    padding: 14px 22px;
    font-family: var(--sig-head);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    border-radius: 4px;
    color: var(--sig-dim);
    background: linear-gradient(180deg, var(--sig-panel2), var(--sig-panel));
    border: 1px solid var(--sig-ridge);
    box-shadow:
        inset 0 1px 0 var(--sig-ridge),
        0 1px 0 #000;
    transition: all 120ms ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.sig-power.on {
    color: #fff;
    background: linear-gradient(180deg, var(--sig-oxide), var(--sig-oxide-dark));
    border-color: #000;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        0 2px 4px rgba(0, 0, 0, 0.4);
}

.sig-power:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ─── Program Out Monitor ─── */

.sig-po-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 1100px) {
    .sig-po-grid {
        grid-template-columns: 1fr;
    }
}

.sig-po-panel {
    padding: 18px;
}

.sig-po-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.sig-po-monitor {
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 4px;
    border: 1px solid var(--sig-border);
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.8);
}

.sig-po-scanlines {
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        0deg,
        rgba(255, 255, 255, 0.015) 0 2px,
        transparent 2px 4px
    );
    pointer-events: none;
}

.sig-po-content {
    position: absolute;
    inset: 0;
    padding: 40px 32px 52px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.sig-po-chrow {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.sig-po-chnum {
    font-family: var(--sig-head);
    font-size: 56px;
    font-weight: 700;
    color: var(--sig-oxide);
    letter-spacing: -2px;
    line-height: 1;
}

.sig-po-chname {
    font-family: var(--sig-head);
    font-size: 18px;
    font-weight: 600;
    color: var(--sig-text);
    letter-spacing: -0.3px;
}

.sig-po-nowlabel {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-cyan);
    letter-spacing: 1.5px;
    margin-bottom: 4px;
}

.sig-po-program {
    font-family: var(--sig-body);
    font-size: 20px;
    color: var(--sig-text);
    font-weight: 500;
    margin-bottom: 14px;
    letter-spacing: -0.2px;
}

.sig-po-progress {
    height: 4px;
    background: #000;
    border: 1px solid var(--sig-ridge);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 6px;
}

.sig-po-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sig-oxide), #F08548);
    box-shadow: 0 0 6px var(--sig-oxide);
}

.sig-po-progress-foot {
    display: flex;
    justify-content: space-between;
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-dim);
}

.sig-po-progress-foot .next { color: var(--sig-dim2); }

.sig-po-corner {
    position: absolute;
    font-family: var(--sig-mono);
    font-size: 10px;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sig-po-corner.tl { top: 10px; left: 12px; color: var(--sig-oxide); letter-spacing: 1.5px; }
.sig-po-corner.tr { top: 10px; right: 12px; color: var(--sig-cyan); }
.sig-po-corner.bl { bottom: 10px; left: 12px; color: var(--sig-dim); }
.sig-po-corner.br { bottom: 10px; right: 12px; color: var(--sig-dim); }

.sig-po-pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--sig-oxide);
    animation: sig-pulse 1.5s ease-in-out infinite;
}

/* Live-Screenshot aus OpenWebif /grab — fuellt das 16:9-Monitor-Panel */
.sig-po-snapshot {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
    z-index: 0;
}

/* Grab-Button — oben rechts im Monitor-Frame, ueber Scanlines */
.sig-po-grab-btn {
    position: absolute;
    top: 10px;
    right: 90px; /* Platz lassen fuer Resolution-Label rechts */
    z-index: 2;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    border: 1px solid var(--sig-oxide);
    color: var(--sig-oxide);
    font-family: var(--sig-head);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 2px;
    transition: background 120ms ease;
}

.sig-po-grab-btn:hover {
    background: var(--sig-oxide);
    color: #000;
}

.sig-po-grab-btn.loading {
    opacity: 0.5;
    cursor: wait;
}

.sig-po-grab-btn:focus-visible {
    outline: 2px solid var(--sig-oxide);
    outline-offset: 2px;
}

@keyframes sig-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ─── VU Meter Row ─── */

.sig-vu-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 14px;
}

.sig-vu {
    display: flex;
    flex-direction: column;
}

.sig-vu-head {
    display: flex;
    justify-content: space-between;
    font-family: var(--sig-head);
    font-size: 9px;
    font-weight: 700;
    color: var(--sig-dim);
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.sig-vu-head-val {
    font-family: var(--sig-mono);
}

.sig-vu-bar {
    display: flex;
    gap: 2px;
    background: #000;
    padding: 3px;
    border-radius: 2px;
    border: 1px solid var(--sig-border);
}

.sig-vu-seg {
    flex: 1;
    height: 8px;
    background: #222;
}

.sig-vu-seg.on.green { background: var(--sig-green); box-shadow: 0 0 4px var(--sig-green); }
.sig-vu-seg.on.warn { background: var(--sig-warn); box-shadow: 0 0 4px var(--sig-warn); }
.sig-vu-seg.on.red { background: var(--sig-red); box-shadow: 0 0 4px var(--sig-red); }

/* ─── Control Surface (hardware remote) ─── */

.sig-cs {
    padding: 18px;
    display: flex;
    flex-direction: column;
}

.sig-cs-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 14px;
}

.sig-cs-dpad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin: 0 auto 14px;
    max-width: 240px;
    width: 100%;
}

.sig-cs-grid-4 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    margin-top: 14px;
}

.sig-hwbtn {
    all: unset;
    cursor: pointer;
    text-align: center;
    padding: 10px 0;
    font-family: var(--sig-head);
    font-size: 12px;
    font-weight: 600;
    color: var(--sig-text);
    letter-spacing: 0.5px;
    background: linear-gradient(180deg, var(--sig-panel2), var(--sig-panel));
    border: 1px solid var(--sig-ridge);
    border-radius: 3px;
    box-shadow:
        inset 0 1px 0 var(--sig-ridge),
        0 1px 0 #000;
    transition: transform 80ms ease, background 120ms ease;
}

.sig-hwbtn:hover {
    background: linear-gradient(180deg, #323238, var(--sig-panel2));
}

.sig-hwbtn:active {
    transform: translateY(1px);
}

.sig-hwbtn:focus-visible {
    outline: 2px solid var(--sig-oxide);
    outline-offset: 1px;
}

.sig-hwbtn.accent {
    color: #fff;
    background: linear-gradient(180deg, var(--sig-oxide), var(--sig-oxide-dark));
    border-color: #000;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.25),
        0 1px 0 #000;
}

/* ─── Channel Bank ─── */

.sig-cb {
    padding: 18px;
}

.sig-cb-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.sig-cb-search {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #000;
    border: 1px solid var(--sig-ridge);
    border-radius: 3px;
    padding: 6px 10px;
    width: 280px;
    max-width: 100%;
}

.sig-cb-search input {
    all: unset;
    flex: 1;
    font-family: var(--sig-mono);
    font-size: 11px;
    color: var(--sig-text);
    min-width: 0;
}

.sig-cb-search input::placeholder {
    color: var(--sig-dim2);
}

.sig-cb-search-clear {
    all: unset;
    cursor: pointer;
    font-family: var(--sig-mono);
    font-size: 12px;
    color: var(--sig-dim);
    padding: 0 4px;
}

.sig-cb-count {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-dim);
}

.sig-cb-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

@media (max-width: 960px) {
    .sig-cb-grid { grid-template-columns: repeat(2, 1fr); }
}

.sig-cb-tile {
    all: unset;
    cursor: pointer;
    padding: 12px 14px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--sig-panel2), var(--sig-panel));
    border: 1px solid var(--sig-ridge);
    box-shadow: inset 0 1px 0 var(--sig-ridge);
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: transform 80ms ease;
}

.sig-cb-tile:hover {
    background: linear-gradient(180deg, #323238, var(--sig-panel2));
}

.sig-cb-tile:focus-visible {
    outline: 2px solid var(--sig-oxide);
    outline-offset: 1px;
}

.sig-cb-tile.active {
    background: linear-gradient(180deg, var(--sig-oxide), var(--sig-oxide-dark));
    border-color: #000;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.sig-cb-tile-head {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.sig-cb-tile-num {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-dim2);
}

.sig-cb-tile.active .sig-cb-tile-num {
    color: rgba(255, 255, 255, 0.6);
}

.sig-cb-tile-name {
    font-family: var(--sig-head);
    font-size: 13px;
    font-weight: 600;
    color: var(--sig-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.sig-cb-tile.active .sig-cb-tile-name { color: #fff; }

.sig-cb-tile-program {
    font-family: var(--sig-body);
    font-size: 11px;
    color: var(--sig-text);
    opacity: 0.85;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sig-cb-tile.active .sig-cb-tile-program {
    color: #fff;
    opacity: 0.95;
}

.sig-cb-tile-bar {
    height: 2px;
    background: #000;
    border-radius: 1px;
    overflow: hidden;
    margin-top: 2px;
}

.sig-cb-tile.active .sig-cb-tile-bar { background: rgba(0, 0, 0, 0.35); }

.sig-cb-tile-bar-fill {
    height: 100%;
    background: var(--sig-oxide);
}

.sig-cb-tile.active .sig-cb-tile-bar-fill { background: #FFD9B8; }

.sig-cb-tile-end {
    font-family: var(--sig-mono);
    font-size: 9px;
    color: var(--sig-dim);
    letter-spacing: 0.5px;
}

.sig-cb-tile.active .sig-cb-tile-end { color: #FFDAB8; }

.sig-cb-empty {
    grid-column: 1 / -1;
    padding: 32px 12px;
    text-align: center;
    font-family: var(--sig-mono);
    font-size: 11px;
    color: var(--sig-dim);
}

/* ─── Admin KPIs ─── */

.sig-admin-banner {
    padding: 20px 24px;
    margin-bottom: 20px;
}

.sig-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

@media (max-width: 900px) {
    .sig-kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

.sig-kpi {
    padding: 20px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: border-color 120ms ease;
}

.sig-kpi.active {
    border-color: var(--sig-oxide);
}

.sig-kpi-label {
    font-family: var(--sig-head);
    font-size: 10px;
    font-weight: 700;
    color: var(--sig-dim);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.sig-kpi-val {
    font-family: var(--sig-head);
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-top: 6px;
    line-height: 1;
}

.sig-kpi-val.oxide { color: var(--sig-oxide); }
.sig-kpi-val.cyan { color: var(--sig-cyan); }
.sig-kpi-val.green { color: var(--sig-green); }
.sig-kpi-val.text { color: var(--sig-text); }

.sig-kpi-sub {
    font-family: var(--sig-mono);
    font-size: 11px;
    color: var(--sig-dim);
    margin-top: 4px;
}

.sig-kpi-sub .up { color: var(--sig-green); }

/* ─── Admin Tabs ─── */

.sig-tabs {
    overflow: hidden;
}

.sig-tabs-head {
    display: flex;
    border-bottom: 1px solid var(--sig-border);
    box-shadow: 0 1px 0 var(--sig-ridge);
    overflow-x: auto;
}

.sig-tab {
    all: unset;
    cursor: pointer;
    padding: 14px 22px;
    font-family: var(--sig-head);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--sig-dim);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.sig-tab.active {
    color: var(--sig-oxide);
    border-bottom-color: var(--sig-oxide);
    background: rgba(232, 106, 47, 0.08);
}

.sig-tab:focus-visible {
    outline: 2px solid var(--sig-oxide);
    outline-offset: -2px;
}

.sig-tab-body {
    padding: 20px;
}

/* ─── Admin Tables ─── */

.sig-table-head,
.sig-table-row {
    padding: 12px;
    align-items: center;
}

.sig-table-head {
    font-family: var(--sig-head);
    font-size: 10px;
    font-weight: 700;
    color: var(--sig-dim);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--sig-ridge);
    display: grid;
    gap: 12px;
}

.sig-table-row {
    font-family: var(--sig-body);
    font-size: 13px;
    color: var(--sig-text);
    border-bottom: 1px solid var(--sig-ridge);
    display: grid;
    gap: 12px;
}

.sig-table-row:last-child {
    border-bottom: none;
}

.sig-table-row .mono {
    font-family: var(--sig-mono);
    font-size: 11px;
    color: var(--sig-dim);
}

.sig-role-pill {
    display: inline-block;
    font-family: var(--sig-head);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 2px 6px;
    border-radius: 2px;
    border: 1px solid currentColor;
    text-transform: uppercase;
}

.sig-role-pill.admin { color: var(--sig-oxide); }
.sig-role-pill.operator { color: var(--sig-cyan); }
.sig-role-pill.viewer { color: var(--sig-dim); }

.sig-audit-action {
    font-family: var(--sig-mono);
    font-size: 12px;
    color: var(--sig-oxide);
    letter-spacing: 1px;
    font-weight: 600;
    text-transform: uppercase;
}

.sig-audit-result {
    display: inline-block;
    font-family: var(--sig-head);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 2px 6px;
    border-radius: 2px;
    border: 1px solid currentColor;
    text-transform: uppercase;
}

.sig-audit-result.ok { color: var(--sig-green); }
.sig-audit-result.warn { color: var(--sig-warn); }
.sig-audit-result.error { color: var(--sig-red); }

/* ─── Shell (app frame) ─── */

.sig-shell {
    background: var(--sig-bg);
    height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--sig-body);
    overflow: hidden;
}

.sig-shell-body {
    flex: 1;
    display: flex;
    min-height: 0;
}

/* ─── Legacy app.css overrides — shove old slate-blue chrome off-stage ─── */

.app-shell {
    background: var(--sig-bg);
}

/* Keep old top-nav hidden — Signal uses its own sig-topbar. If a legacy screen
   still relies on .top-nav, fall back to a neutral graphite strip so it does
   not clash with the Signal palette. */
.top-nav {
    background: #0E0E10;
    border-bottom: 1px solid #000;
    box-shadow: inset 0 -1px 0 var(--sig-ridge);
}

.brand-title,
.sidebar-title,
.admin-top-bar .brand-title {
    font-family: var(--sig-head);
    color: var(--sig-text);
}

.brand-subtitle,
.sidebar-subtitle {
    font-family: var(--sig-mono);
    color: var(--sig-dim);
    font-size: 11px;
}

.status-pill {
    font-family: var(--sig-mono);
    border-radius: 3px;
}

/* Onboarding inherits Signal tokens via --accent / --text-primary mappings */
.onboarding,
.cc-empty,
.side-panel {
    font-family: var(--sig-body);
}

/* Inputs — graphite */
.auth-input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea {
    background: #000;
    border: 1px solid var(--sig-ridge);
    color: var(--sig-text);
    font-family: var(--sig-mono);
    border-radius: 3px;
}

.auth-input:focus,
input:focus,
textarea:focus {
    outline: none;
    border-color: var(--sig-oxide);
}

/* ─── Feedback banner (scan / command status) ─── */

.sig-feedback {
    padding: 10px 14px;
    margin-bottom: 16px;
    border-radius: 4px;
    font-family: var(--sig-mono);
    font-size: 12px;
    letter-spacing: 0.5px;
    border: 1px solid var(--sig-ridge);
    background: #000;
    color: var(--sig-text);
}

.sig-feedback.info { border-color: rgba(76, 198, 208, 0.4); color: var(--sig-cyan); }
.sig-feedback.ok { border-color: rgba(94, 219, 135, 0.4); color: var(--sig-green); }
.sig-feedback.warn { border-color: rgba(232, 180, 63, 0.4); color: var(--sig-warn); }
.sig-feedback.error { border-color: rgba(229, 83, 75, 0.4); color: var(--sig-red); }

/* ─── Back button (detail header) ─── */

.sig-back-btn {
    all: unset;
    cursor: pointer;
    display: inline-block;
    margin-right: 8px;
    padding: 2px 6px;
    color: var(--sig-dim);
    border: 1px solid var(--sig-ridge);
    border-radius: 2px;
    font-family: var(--sig-mono);
    font-size: 11px;
}

.sig-back-btn:hover {
    color: var(--sig-oxide);
    border-color: var(--sig-oxide);
}

/* ─── Legacy channel-list & remote-pad — Signal overrides ───
   Keep full functionality (sort/fav/groups/search) but lift palette
   and typography into the Signal system. */

.channel-list {
    background: transparent;
    border: none;
    padding: 0;
    font-family: var(--sig-body);
}

.channel-toolbar {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--sig-ridge);
}

.channel-tabs {
    display: flex;
    gap: 4px;
}

.channel-tab {
    all: unset;
    cursor: pointer;
    padding: 6px 12px;
    font-family: var(--sig-head);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--sig-dim);
    border: 1px solid var(--sig-ridge);
    border-radius: 3px;
    background: #000;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.channel-tab.active {
    color: var(--sig-oxide);
    border-color: var(--sig-oxide);
    background: rgba(232, 106, 47, 0.1);
}

.channel-tab-count {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-dim);
    background: transparent;
    padding: 0;
}

.channel-controls {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}

.channel-search {
    all: unset;
    flex: 1;
    min-width: 180px;
    padding: 6px 10px;
    background: #000;
    border: 1px solid var(--sig-ridge);
    border-radius: 3px;
    color: var(--sig-text);
    font-family: var(--sig-mono);
    font-size: 11px;
}

.channel-search::placeholder { color: var(--sig-dim2); }

.channel-sort-btn,
.channel-filter-chip {
    all: unset;
    cursor: pointer;
    padding: 6px 10px;
    font-family: var(--sig-head);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--sig-dim);
    border: 1px solid var(--sig-ridge);
    border-radius: 3px;
    background: #000;
}

.channel-sort-btn.active,
.channel-filter-chip.active {
    color: var(--sig-oxide);
    border-color: var(--sig-oxide);
}

.channel-groups {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.channel-group {
    all: unset;
    cursor: pointer;
    padding: 4px 8px;
    font-family: var(--sig-head);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--sig-dim);
    border: 1px solid var(--sig-ridge);
    border-radius: 2px;
    background: transparent;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.channel-group.active {
    color: var(--sig-oxide);
    border-color: var(--sig-oxide);
}

.channel-group-count {
    color: var(--sig-dim2);
    font-family: var(--sig-mono);
    font-size: 9px;
}

.channel-list-hint {
    text-align: center;
    padding: 32px 12px;
    font-family: var(--sig-mono);
    font-size: 11px;
    color: var(--sig-dim);
}

.channel-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    cursor: pointer;
    border-radius: 3px;
    border: 1px solid transparent;
    transition: background 120ms ease;
}

.channel-item:hover {
    background: var(--sig-panel2);
    border-color: var(--sig-ridge);
}

.channel-num {
    font-family: var(--sig-mono);
    font-size: 11px;
    color: var(--sig-dim2);
    min-width: 40px;
    text-align: right;
}

.channel-name {
    flex: 1;
    font-family: var(--sig-head);
    font-size: 13px;
    color: var(--sig-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.channel-quality {
    font-family: var(--sig-mono);
    font-size: 9px;
    letter-spacing: 1px;
    padding: 1px 4px;
    border-radius: 2px;
    border: 1px solid currentColor;
    color: var(--sig-cyan);
}

.channel-quality.uhd { color: var(--sig-oxide); }
.channel-quality.hd { color: var(--sig-cyan); }

.channel-star {
    all: unset;
    cursor: pointer;
    color: var(--sig-dim2);
    font-size: 14px;
    padding: 2px 6px;
}

.channel-star.active {
    color: var(--sig-warn);
}

/* RemoteControl — fit into sig-cs panel */
.sig-cs .remote-pad {
    background: transparent;
    border: none;
    padding: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sig-cs .remote-row {
    display: flex;
    gap: 6px;
    align-items: center;
}

.sig-cs .remote-row-top {
    justify-content: space-between;
    padding: 0;
    border-bottom: 1px solid var(--sig-ridge);
    margin-bottom: 6px;
    padding-bottom: 8px;
}

.sig-cs .remote-brand {
    font-family: var(--sig-head);
    color: var(--sig-dim);
    font-size: 11px;
    letter-spacing: 1px;
}

.sig-cs .remote-power,
.sig-cs .remote-icon,
.sig-cs .remote-btn,
.sig-cs .numpad-btn,
.sig-cs .dpad-btn,
.sig-cs .ok-btn,
.sig-cs .remote-rocker-btn {
    all: unset;
    cursor: pointer;
    text-align: center;
    padding: 8px;
    background: linear-gradient(180deg, var(--sig-panel2), var(--sig-panel));
    border: 1px solid var(--sig-ridge);
    border-radius: 3px;
    color: var(--sig-text);
    font-family: var(--sig-head);
    font-size: 12px;
    font-weight: 600;
    box-shadow:
        inset 0 1px 0 var(--sig-ridge),
        0 1px 0 #000;
    min-width: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.sig-cs .remote-power {
    color: var(--sig-red);
    border-color: var(--sig-ridge);
}

.sig-cs .remote-power:hover {
    color: #fff;
    background: linear-gradient(180deg, var(--sig-red), #B84340);
    border-color: #000;
}

.sig-cs .ok-btn {
    background: linear-gradient(180deg, var(--sig-oxide), var(--sig-oxide-dark));
    border-color: #000;
    color: #fff;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.25),
        0 1px 0 #000;
}

.sig-cs .remote-rocker {
    display: flex;
    flex-direction: column;
    gap: 2px;
    align-items: center;
    background: #000;
    border: 1px solid var(--sig-ridge);
    border-radius: 3px;
    padding: 4px;
}

.sig-cs .remote-rocker-label {
    font-family: var(--sig-mono);
    font-size: 9px;
    color: var(--sig-dim);
    letter-spacing: 1px;
}

.sig-cs .dpad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    max-width: 220px;
    margin: 0 auto;
}

.sig-cs .numpad-wide {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-top: 6px;
}

.sig-cs .numpad-zero {
    grid-column: 2;
}

.sig-cs .remote-colors {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin-top: 6px;
}

.sig-cs .remote-color {
    all: unset;
    cursor: pointer;
    height: 22px;
    border-radius: 3px;
    border: 1px solid var(--sig-border);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.sig-cs .remote-color.red { background: linear-gradient(180deg, #E35555, #A33D2A); }
.sig-cs .remote-color.green { background: linear-gradient(180deg, #5EDB87, #3F7A4E); }
.sig-cs .remote-color.yellow { background: linear-gradient(180deg, #E8B43F, #B88A2A); }
.sig-cs .remote-color.blue { background: linear-gradient(180deg, #4CC6D0, #2E8088); }

.sig-cs .remote-nav-row,
.sig-cs .remote-media,
.sig-cs .remote-ch-vol {
    display: grid;
    gap: 6px;
}

.sig-cs .remote-nav-row { grid-template-columns: repeat(3, 1fr); }
.sig-cs .remote-media { grid-template-columns: repeat(6, 1fr); }
.sig-cs .remote-ch-vol { grid-template-columns: auto 1fr auto; align-items: center; }

.sig-cs .remote-btn.rec {
    color: var(--sig-red);
    font-weight: 700;
}

/* ─── Empty state in detail ─── */

.cc-empty {
    text-align: center;
    padding: 64px 24px;
    color: var(--sig-dim);
    font-family: var(--sig-body);
}

.cc-empty-icon {
    font-size: 56px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.receiver-item-empty {
    padding: 24px 12px;
    text-align: center;
    color: var(--sig-dim);
    font-family: var(--sig-mono);
    font-size: 11px;
    line-height: 1.6;
}

/* ─── Bouquet Upload Admin ─── */

.sig-bouquet-upload code {
    font-family: var(--sig-mono);
    font-size: 11px;
    color: var(--sig-oxide);
    background: #000;
    padding: 1px 4px;
    border-radius: 2px;
}

.sig-file-input {
    display: block;
    width: 100%;
    padding: 10px;
    background: #000;
    border: 1px dashed var(--sig-ridge);
    border-radius: 3px;
    color: var(--sig-text);
    font-family: var(--sig-mono);
    font-size: 12px;
    cursor: pointer;
}

.sig-file-input::file-selector-button {
    background: linear-gradient(180deg, var(--sig-oxide), var(--sig-oxide-dark));
    color: #fff;
    border: 1px solid #000;
    padding: 6px 12px;
    border-radius: 3px;
    font-family: var(--sig-head);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-right: 12px;
    cursor: pointer;
}

.sig-file-input:hover {
    border-color: var(--sig-oxide);
}

.sig-rx-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: #000;
    border: 1px solid var(--sig-ridge);
    border-radius: 3px;
    cursor: pointer;
    transition: border-color 120ms ease, background 120ms ease;
    overflow: hidden;
}

.sig-rx-check:hover {
    border-color: var(--sig-oxide);
}

.sig-rx-check.active {
    border-color: var(--sig-oxide);
    background: rgba(232, 106, 47, 0.1);
}

.sig-rx-check input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: var(--sig-oxide);
    cursor: pointer;
    flex-shrink: 0;
}

.sig-rx-check-name {
    flex: 1;
    font-family: var(--sig-head);
    font-size: 12px;
    font-weight: 600;
    color: var(--sig-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sig-rx-check-ip {
    font-family: var(--sig-mono);
    font-size: 10px;
    color: var(--sig-dim2);
    flex-shrink: 0;
}

.sig-upload-results {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.sig-upload-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 100px;
    gap: 12px;
    padding: 10px 6px;
    align-items: start;
    border-bottom: 1px solid var(--sig-ridge);
}

.sig-upload-row:last-child {
    border-bottom: none;
}

.sig-upload-head {
    font-family: var(--sig-head);
    font-size: 10px;
    font-weight: 700;
    color: var(--sig-dim);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--sig-ridge);
    padding-bottom: 8px;
}

/* ══════════════════════════════════════════════════════════════════
   READABILITY OVERRIDES — Schriften eine Stufe groesser ohne die
   Broadcast-Panel-Aesthetik zu zerstoeren. Chrome/Overlays (corner,
   VU-Segmente, LIVE-Pulse) bleiben bewusst klein.
   ══════════════════════════════════════════════════════════════════ */

.sig-eyebrow { font-size: 12px; letter-spacing: 1.3px; }
.sig-meta-line { font-size: 12px; }

/* TopBar */
.sig-topbar-wordmark { font-size: 16px; letter-spacing: 1.8px; }
.sig-pill-live { font-size: 11px; padding: 2px 7px; }
.sig-topbar-link { font-size: 12px; padding: 7px 12px; }
.sig-topbar-user { font-size: 12px; }
.sig-indicator-label { font-size: 11px; }
.sig-toggle-btn { font-size: 13px; padding: 7px 16px; }
.sig-site-pill { font-size: 12px; padding: 6px 12px; }

/* Receiver Rack */
.sig-rack-sub { font-size: 11px; }
.sig-rack-name { font-size: 15px; }
.sig-rack-site { font-size: 12px; }
.sig-rack-channel { font-size: 11px; }

/* Badges & Status */
.sig-badge { font-size: 11px; padding: 3px 7px; }
.sig-status-pill { font-size: 12px; padding: 4px 11px; }

/* Detail Header */
.sig-h1 { font-size: 34px; }
.sig-h1-admin { font-size: 28px; }
.sig-detail-crumbs { font-size: 11px; }
.sig-detail-ids { font-size: 12px; }

/* Program Out */
.sig-po-chname { font-size: 20px; }
.sig-po-nowlabel { font-size: 11px; }
.sig-po-program { font-size: 21px; }
.sig-po-progress-foot { font-size: 11px; }
.sig-vu-head { font-size: 10px; letter-spacing: 0.8px; }

/* Control Surface */
.sig-hwbtn { font-size: 13px; padding: 11px 0; }

/* Channel Bank */
.sig-cb-tile-num { font-size: 11px; }
.sig-cb-tile-name { font-size: 14px; }
.sig-cb-tile-program { font-size: 12px; }
.sig-cb-tile-end { font-size: 10px; }
.sig-cb-count { font-size: 11px; }
.sig-cb-search input { font-size: 12px; }
.sig-cb-search input::placeholder { font-size: 12px; }

/* Admin KPIs */
.sig-kpi-label { font-size: 11px; }
.sig-kpi-sub { font-size: 12px; }

/* Admin Tabs */
.sig-tab { font-size: 13px; padding: 14px 24px; }

/* Admin Tables */
.sig-table-head { font-size: 11px; }
.sig-table-row { font-size: 14px; }
.sig-table-row .mono { font-size: 12px; }
.sig-role-pill { font-size: 11px; padding: 3px 7px; }
.sig-audit-action { font-size: 13px; }
.sig-audit-result { font-size: 11px; padding: 3px 7px; }

/* Legacy ChannelList (Signal-adapted) */
.channel-num { font-size: 12px; }
.channel-name { font-size: 14px; }
.channel-tab { font-size: 12px; padding: 7px 14px; }
.channel-tab-count { font-size: 11px; }
.channel-search { font-size: 12px; padding: 7px 12px; }
.channel-sort-btn, .channel-filter-chip { font-size: 12px; padding: 7px 12px; }
.channel-group { font-size: 11px; padding: 5px 10px; }
.channel-group-count { font-size: 10px; }
.channel-list-hint { font-size: 13px; }
.channel-quality { font-size: 10px; padding: 2px 5px; }

/* Bouquet-Upload Admin */
.sig-rx-check-name { font-size: 13px; }
.sig-rx-check-ip { font-size: 11px; }
.sig-file-input { font-size: 13px; padding: 12px; }
.sig-file-input::file-selector-button { font-size: 12px; padding: 7px 14px; }
.sig-upload-head { font-size: 11px; }

/* Feedback */
.sig-feedback { font-size: 13px; padding: 12px 16px; }

/* Back-Button */
.sig-back-btn { font-size: 12px; padding: 3px 8px; }

/* Mobile — noch eine Spur groesser fuer Touch-Screens */
@media (max-width: 768px) {
    .sig-rack-name { font-size: 16px; }
    .sig-rack-site { font-size: 13px; }
    .sig-rack-channel { font-size: 12px; }
    .sig-hwbtn { font-size: 14px; }
    .sig-cb-tile-name { font-size: 15px; }
    .sig-cb-tile-program { font-size: 13px; }
    .sig-h1 { font-size: 26px; }
    .sig-po-program { font-size: 18px; }
    .sig-status-pill { font-size: 13px; }
    .sig-feedback { font-size: 14px; }
    .sig-kpi-val { font-size: 36px; }
    .sig-tab { font-size: 12px; padding: 13px 18px; }
}

/* ─── Utility — focus ring, a11y ─── */

:focus-visible {
    outline: 2px solid var(--sig-oxide);
    outline-offset: 2px;
}

/* Keyboard nav on channel grid + rack */
.sig-rack-list:focus-within .sig-rack-item.active,
.sig-cb-grid:focus-within .sig-cb-tile.active {
    box-shadow: 0 0 0 2px var(--sig-oxide);
}