/* ──────────────────────────────────────
   Notum AHI
   Copyright © 2026 Notum Robotics. Licensed under the MIT License.
   Functional Realism
   ────────────────────────────────────── */

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

/* ---------- Self-hosted Fonts ---------- */
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/rajdhani-400.woff2') format('woff2');
}
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/rajdhani-500.woff2') format('woff2');
}
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('../fonts/rajdhani-600.woff2') format('woff2');
}
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/rajdhani-700.woff2') format('woff2');
}
@font-face {
    font-family: 'IBM Plex Mono';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/ibm-plex-mono-400.woff2') format('woff2');
}
@font-face {
    font-family: 'IBM Plex Mono';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/ibm-plex-mono-500.woff2') format('woff2');
}

/* ---------- Design Tokens ---------- */
:root {
    --bg:         #0a0a0a;
    --surface:    #141414;
    --border:     rgba(244,244,244, 0.10);
    --text:       #F4F4F4;
    --text-dim:   rgba(244,244,244, 0.40);
    --accent:     #00e5ff;
    --danger:     #FF3333;
    --amber:      #FFB300;
    --radius:     2px;
    --font-label: 'Rajdhani', 'Share Tech', sans-serif;
    --font-data:  'IBM Plex Mono', 'SF Mono', monospace;
    --safe-b:     env(safe-area-inset-bottom, 0px);
    --safe-t:     env(safe-area-inset-top, 0px);
}

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-label);
    -webkit-font-smoothing: antialiased;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    overflow: hidden;
}

/* ---------- Layout ---------- */
#app {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-width: 540px;
    margin: 0 auto;
    position: relative;
}

/* ---------- Connection indicator ---------- */
.conn {
    position: absolute;
    top: calc(1rem + var(--safe-t));
    right: 1.25rem;
    width: 8px;
    height: 8px;
    border-radius: 0;
    z-index: 10;
}
.conn.on  { background: var(--accent); }
.conn.off { background: var(--danger); animation: hardBlink 1s steps(1) infinite; }

@keyframes hardBlink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}

/* ---------- Header ---------- */
header {
    padding: calc(2.5rem + var(--safe-t)) 1.5rem 1rem;
    flex-shrink: 0;
}
header h1 {
    font-family: var(--font-label);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: rgba(244,244,244, 0.45);
}
header h1 span {
    font-weight: 400;
    color: rgba(244,244,244, 0.25);
}
.header-meta {
    font-family: var(--font-data);
    font-size: .65rem;
    font-weight: 400;
    letter-spacing: .08em;
    color: rgba(244,244,244, 0.25);
    margin-top: 4px;
}
.header-meta a {
    color: rgba(0,229,255, 0.35);
    text-decoration: none;
}
.header-meta a:hover {
    color: rgba(0,229,255, 0.6);
}

/* ---------- Main (scrollable) ---------- */
main {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: .5rem 1.25rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
main::-webkit-scrollbar { display: none; }

/* ---------- Control Card ---------- */
.card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(0.6rem, 2.5vw, 1.25rem) clamp(0.5rem, 2vw, 1rem);
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 2vw, 1rem);
    cursor: pointer;
    overflow: hidden;
    container-type: inline-size;
    -webkit-tap-highlight-color: transparent;
}

/* Corner anchors — all four corners (shared) */
.corner {
    position: absolute;
    font-family: var(--font-data);
    font-size: .65rem;
    color: rgba(244,244,244, 0.15);
    line-height: 1;
    pointer-events: none;
}
.corner-tl { top: 4px; left: 5px; }
.corner-tr { top: 4px; right: 5px; }
.corner-bl { bottom: 4px; left: 5px; }
.corner-br { bottom: 4px; right: 5px; }

/* Corner strobe when card is ON: each corner flashes 5× at 50ms, then 500ms off, circular */
/* Per corner: 250ms strobe + 500ms off = 750ms active, 4 corners = 3000ms total cycle */
.card.is-on .corner-tl { animation: cornerBurst 3s steps(1) 0s infinite; }
.card.is-on .corner-tr { animation: cornerBurst 3s steps(1) 0.75s infinite; }
.card.is-on .corner-br { animation: cornerBurst 3s steps(1) 1.5s infinite; }
.card.is-on .corner-bl { animation: cornerBurst 3s steps(1) 2.25s infinite; }

@keyframes cornerBurst {
    /* 5 flashes at 50ms intervals = 250ms, then off until next cycle */
    /* Each tick = 50ms / 3000ms ≈ 1.667% */
    0%      { color: var(--text); }
    1.667%  { color: rgba(244,244,244, 0.15); }
    3.333%  { color: var(--text); }
    5%      { color: rgba(244,244,244, 0.15); }
    6.667%  { color: var(--text); }
    8.333%  { color: rgba(244,244,244, 0.15); }
    100%    { color: rgba(244,244,244, 0.15); }
}

/* Active state borders */
.card.is-on {
    border-color: rgba(0, 229, 255, 0.30);
}
.card.is-off {
    border-color: rgba(255, 51, 51, 0.25);
}

/* ---------- Card pressed state ---------- */
.card:active {
    background: rgba(244,244,244, 0.10);
    color: var(--bg);
}
.card.is-on:active {
    background: rgba(0,229,255, 0.30);
    color: var(--bg);
}
.card.is-off:active {
    background: rgba(255,51,51, 0.25);
    color: var(--bg);
}

/* Click feedback: white outline strobe (driven by JS) */
.flash-outline {
    border-color: var(--text) !important;
}
/* Corner glyph strobe: full white when flashing */
.corner.flash-outline {
    color: var(--text) !important;
}

/* --- Left: icon --- */
.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(36px, 12cqi, 48px);
    height: clamp(36px, 12cqi, 48px);
    flex-shrink: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-dim);
    font-size: clamp(1.25rem, 7cqi, 1.75rem);
}
.card.is-on  .card-icon { color: var(--bg); background: var(--accent); border-color: var(--accent); }
.card.is-off .card-icon { color: var(--danger); border-color: rgba(255,51,51,.15); }

/* --- Middle: name + status --- */
.card-info {
    display: flex;
    flex-direction: column;
    gap: clamp(0.1rem, 0.5cqi, 0.2rem);
    min-width: 0;
    flex: 1;
}
.card-name {
    font-family: var(--font-label);
    font-size: clamp(0.85rem, 5.2cqi, 1.3rem);
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: rgba(244,244,244, 0.50);
}

.card-state {
    font-family: var(--font-data);
    font-size: clamp(0.65rem, 3.4cqi, 0.85rem);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: .08em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text);
}
.card.is-on  .card-state { color: var(--accent); }
.card.is-off .card-state { color: var(--danger); }

.card.is-on .card-state {
    text-shadow: 0 0 2px rgba(0,229,255, 0.35);
}
.card.is-off .card-state {
    text-shadow: 0 0 2px rgba(255,51,51, 0.25);
}

/* --- Status badge (removed — redundant with card-state) --- */
.card-status {
    display: none;
}

/* ---------- Card Size Variants ---------- */
/* Default (2x2): vertical stack — text on top, icon below, centered */
/* Driven by data-size attribute; omit for default 2×2 */
.card:not([data-size]),
.card[data-size="2x2"] {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    gap: 0;
}
.card:not([data-size]) .card-info,
.card[data-size="2x2"] .card-info {
    order: -1;
    align-items: center;
    flex: 0 0 auto;
}
.card:not([data-size]) .card-icon,
.card[data-size="2x2"] .card-icon {
    width: clamp(44px, 16cqi, 64px);
    height: clamp(44px, 16cqi, 64px);
    font-size: clamp(1.6rem, 10cqi, 2.4rem);
    border: none;
    margin: auto 0;
}
.card:not([data-size]) .card-name,
.card[data-size="2x2"] .card-name {
    font-size: clamp(0.95rem, 6cqi, 1.35rem);
}
.card:not([data-size]) .card-state,
.card[data-size="2x2"] .card-state {
    font-size: clamp(0.7rem, 3.8cqi, 0.9rem);
}

/* 3×3 — extra large: vertical stack — text on top, large icon below, centered */
.card[data-size="3x3"] {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    padding: 1.5rem 1.25rem;
    gap: 0;
}
.card[data-size="3x3"] .card-info {
    order: -1;
    align-items: center;
    flex: 0 0 auto;
}
.card[data-size="3x3"] .card-icon {
    width: 100px;
    height: 100px;
    font-size: 3.75rem;
    border: none;
    margin: auto 0;
}
.card[data-size="3x3"] .card-name {
    font-size: 1.9rem;
}
.card[data-size="3x3"] .card-state {
    font-size: 1.15rem;
}

/* 3×2 — wide landscape: full card, slightly bigger */
.card[data-size="3x2"] {
    padding: 1.25rem 1.15rem;
    gap: 1.15rem;
}
.card[data-size="3x2"] .card-icon {
    width: 56px;
    height: 56px;
    font-size: 2rem;
}
.card[data-size="3x2"] .card-name {
    font-size: 1.45rem;
}
.card[data-size="3x2"] .card-state {
    font-size: .95rem;
}

/* 2×3 — tall portrait: vertical stack with room */
.card[data-size="2x3"] {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 1rem;
    gap: .75rem;
    text-align: center;
}
.card[data-size="2x3"] .card-icon {
    width: 56px;
    height: 56px;
    font-size: 2rem;
}
.card[data-size="2x3"] .card-info {
    align-items: center;
}
.card[data-size="2x3"] .card-name {
    font-size: 1.3rem;
}
.card[data-size="2x3"] .card-state {
    font-size: .85rem;
}

/* 3×1 — wide strip: icon + name only, compact height */
.card[data-size="3x1"] {
    padding: .6rem .85rem;
    gap: .7rem;
}
.card[data-size="3x1"] .card-icon {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
}
.card[data-size="3x1"] .card-name {
    font-size: 1.1rem;
}
.card[data-size="3x1"] .card-state {
    display: none;
}

/* 1×3 — tall narrow strip: vertical stack, compact */
.card[data-size="1x3"] {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: .6rem .5rem;
    gap: .35rem;
    text-align: center;
}
.card[data-size="1x3"] .card-icon {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
}
.card[data-size="1x3"] .card-info {
    align-items: center;
}
.card[data-size="1x3"] .card-name {
    font-size: .75rem;
    letter-spacing: .04em;
}
.card[data-size="1x3"] .card-state {
    font-size: .6rem;
}

/* 2×1 — half-height: icon + name, hide state text */
.card[data-size="2x1"] {
    padding: .6rem .75rem;
    gap: .6rem;
}
.card[data-size="2x1"] .card-icon {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
}
.card[data-size="2x1"] .card-name {
    font-size: 1rem;
}
.card[data-size="2x1"] .card-state {
    display: none;
}

/* 1×2 — half-width: vertical layout, icon + name stacked */
.card[data-size="1x2"] {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: .6rem .5rem;
    gap: .4rem;
    text-align: center;
}
.card[data-size="1x2"] .card-icon {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
}
.card[data-size="1x2"] .card-info {
    align-items: center;
}
.card[data-size="1x2"] .card-name {
    font-size: .7rem;
    letter-spacing: .04em;
}
.card[data-size="1x2"] .card-state {
    font-size: .55rem;
}

/* 1×1 — quarter: icon only, everything else hidden */
.card[data-size="1x1"] {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: .4rem;
    gap: 0;
}
.card[data-size="1x1"] .card-icon {
    width: 32px;
    height: 32px;
    font-size: 1.1rem;
    border: none;
}
.card[data-size="1x1"] .card-info {
    display: none;
}
.card[data-size="1x1"] .corner {
    font-size: .5rem;
}
.card[data-size="1x1"] .corner-tl { top: 2px; left: 3px; }
.card[data-size="1x1"] .corner-tr { top: 2px; right: 3px; }
.card[data-size="1x1"] .corner-bl { bottom: 2px; left: 3px; }
.card[data-size="1x1"] .corner-br { bottom: 2px; right: 3px; }

/* ---------- Empty state ---------- */
.empty {
    text-align: center;
    font-family: var(--font-data);
    color: var(--text-dim);
    padding: 4rem 1rem;
    font-size: .85rem;
    line-height: 1.6;
}

/* ---------- Footer ---------- */
footer {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: .75rem 1.25rem calc(.75rem + var(--safe-b));
    font-family: var(--font-data);
    font-size: .6rem;
    color: var(--text-dim);
    letter-spacing: .06em;
    text-transform: uppercase;
}
#ping-graph {
    display: block;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
#ping-val {
    min-width: 48px;
}

/* ---------- Responsive ---------- */
@media (min-width: 420px) {
    #app { max-width: 680px; }
    main {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .card {
        flex: 1 1 calc(50% - 4px);
        min-width: calc(50% - 4px);
    }
}

@media (min-width: 768px) {
    #app { max-width: 900px; }
    .card {
        flex: 1 1 calc(33.33% - 6px);
        min-width: calc(33.33% - 6px);
    }
}

@media (max-height: 500px) {
    header { padding-top: calc(1rem + var(--safe-t)); padding-bottom: .5rem; }
    header h1 { font-size: 1.2rem; }
    main { padding-top: 0; }
    .card { padding: .75rem; }
}

/* ---------- Sample action button ---------- */
.action-btn {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: .75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    font-family: var(--font-data);
    font-size: .75rem;
    font-weight: 500;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-dim);
}

/* ---------- Dialog overlay (dithered) ---------- */
.dialog-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Dithered dot pattern: 2×2 repeating 50% fill */
    background-color: rgba(0,0,0,0.55);
    background-image:
        url("data:image/svg+xml,%3Csvg width='4' height='4' xmlns='http://www.w3.org/2000/svg'%3E%3Crect x='0' y='0' width='2' height='2' fill='%23000' fill-opacity='0.45'/%3E%3Crect x='2' y='2' width='2' height='2' fill='%23000' fill-opacity='0.45'/%3E%3C/svg%3E");
    background-size: 4px 4px;
    image-rendering: pixelated;
    opacity: 0;
    pointer-events: none;
}
.dialog-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

/* ---------- Dialog box ---------- */
.dialog-box {
    position: relative;
    background: var(--surface);
    border: 1px solid rgba(244,244,244,0.15);
    border-radius: var(--radius);
    width: calc(100% - 2.5rem);
    max-width: 360px;
    padding: 1.5rem 1.25rem 1.25rem;
}

/* Dialog corner anchors (brighter) */
.dialog-box .corner {
    color: rgba(244,244,244, 0.20);
}
.dialog-box .corner-tl { top: 5px; left: 6px; }
.dialog-box .corner-tr { top: 5px; right: 6px; }
.dialog-box .corner-bl { bottom: 5px; left: 6px; }
.dialog-box .corner-br { bottom: 5px; right: 6px; }

.dialog-title {
    font-family: var(--font-label);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: rgba(244,244,244, 0.50);
    margin-bottom: .25rem;
}

.dialog-body {
    font-family: var(--font-data);
    font-size: .8rem;
    color: var(--text-dim);
    letter-spacing: .04em;
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

.dialog-actions {
    display: flex;
    gap: 6px;
}

.dialog-btn {
    flex: 1;
    padding: .7rem .5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    font-family: var(--font-data);
    font-size: .75rem;
    font-weight: 500;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-dim);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.dialog-btn.primary {
    color: var(--accent);
    border-color: rgba(0,229,255, 0.30);
}
.dialog-btn.danger {
    color: var(--danger);
    border-color: rgba(255,51,51, 0.25);
}
.dialog-btn.warning {
    color: var(--amber);
    border-color: rgba(255,179,0, 0.30);
}

/* ---------- Dialog button pressed state ---------- */
.dialog-btn:active {
    background: rgba(244,244,244, 0.10);
    color: var(--bg);
}
.dialog-btn.primary:active {
    background: rgba(0,229,255, 0.30);
    color: var(--bg);
}
.dialog-btn.danger:active {
    background: rgba(255,51,51, 0.25);
    color: var(--bg);
}
.dialog-btn.warning:active {
    background: rgba(255,179,0, 0.30);
    color: var(--bg);
}

/* ---------- Action button pressed state ---------- */
.action-btn:active {
    background: rgba(244,244,244, 0.10);
    color: var(--bg);
}
.action-btn.primary:active {
    background: rgba(0,229,255, 0.25);
    color: var(--bg);
}
.action-btn.warning:active {
    background: rgba(255,179,0, 0.25);
    color: var(--bg);
}
.action-btn.danger:active {
    background: rgba(255,51,51, 0.25);
    color: var(--bg);
}

/* ---------- Status-tagged button pressed state ---------- */
.action-btn[data-status="ok"]:active {
    background: rgba(0,229,255, 0.15);
    color: var(--bg);
}
.action-btn[data-status="warn"]:active {
    background: rgba(255,179,0, 0.15);
    color: var(--bg);
}
.action-btn[data-status="error"]:active {
    background: rgba(255,51,51, 0.15);
    color: var(--bg);
}
.action-btn[data-status="busy"]:active {
    background: rgba(0,229,255, 0.12);
    color: var(--bg);
}

/* ---------- Amber action button variant ---------- */
.action-btn.warning {
    color: var(--amber);
    border-color: rgba(255,179,0, 0.25);
}
.action-btn.primary {
    color: var(--accent);
    border-color: rgba(0,229,255, 0.25);
}
.action-btn.danger {
    color: var(--danger);
    border-color: rgba(255,51,51, 0.25);
}

/* ---------- Icon-only buttons ---------- */
.icon-btn {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    color: var(--text-dim);
    font-size: 1.2rem;
}

.icon-btn.primary {
    color: var(--accent);
    border-color: rgba(0,229,255, 0.25);
}
.icon-btn.warning {
    color: var(--amber);
    border-color: rgba(255,179,0, 0.25);
}
.icon-btn.danger {
    color: var(--danger);
    border-color: rgba(255,51,51, 0.25);
}

/* ---------- Icon button pressed state ---------- */
.icon-btn:active {
    background: rgba(244,244,244, 0.10);
    color: var(--bg);
}
.icon-btn.primary:active {
    background: rgba(0,229,255, 0.25);
    color: var(--bg);
}
.icon-btn.warning:active {
    background: rgba(255,179,0, 0.25);
    color: var(--bg);
}
.icon-btn.danger:active {
    background: rgba(255,51,51, 0.25);
    color: var(--bg);
}

/* Icon button toggle states */
.icon-btn.is-on {
    color: var(--bg);
    background: var(--accent);
    border-color: var(--accent);
}
.icon-btn.is-off {
    color: var(--danger);
    border-color: rgba(255,51,51, 0.20);
}

/* ═══════════ Component Properties System ═══════════ */

/* --- Progress Bar (embedded in interactive elements) --- */
.n-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    display: flex;
    gap: 1px;
    pointer-events: none;
    overflow: hidden;
    border-radius: 0 0 var(--radius) var(--radius);
}

.n-progress .n-seg {
    flex: 1;
    background: rgba(244,244,244, 0.04);
    min-width: 0;
}

.n-progress .n-seg.filled {
    background: var(--accent);
}

.warning .n-progress .n-seg.filled { background: var(--amber); }
.danger .n-progress .n-seg.filled  { background: var(--danger); }

.n-progress .n-seg.filled.seg-dim    { filter: brightness(0.75); }
.n-progress .n-seg.filled.seg-bright { filter: brightness(1.35); }

.n-progress .n-seg.seg-scan          { background: rgba(244,244,244, 0.15); }
.warning .n-progress .n-seg.seg-scan { background: rgba(255,179,0, 0.20); }
.danger .n-progress .n-seg.seg-scan  { background: rgba(255,51,51, 0.20); }

/* --- Progress Background Fill (segmented, synced to progress bar) --- */
[data-progress]:not([data-progress="indeterminate"])::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        repeating-linear-gradient(
            to right,
            transparent 0,
            transparent calc(10% - 0.5px),
            var(--surface) calc(10% - 0.5px),
            var(--surface) 10%
        ),
        linear-gradient(
            to right,
            rgba(0,229,255, 0.06) calc(var(--prog-filled) * 10%),
            transparent                calc(var(--prog-filled) * 10%)
        );
}
.warning[data-progress]:not([data-progress="indeterminate"])::before {
    background:
        repeating-linear-gradient(
            to right,
            transparent 0,
            transparent calc(10% - 0.5px),
            var(--surface) calc(10% - 0.5px),
            var(--surface) 10%
        ),
        linear-gradient(
            to right,
            rgba(255,179,0, 0.06) calc(var(--prog-filled) * 10%),
            transparent               calc(var(--prog-filled) * 10%)
        );
}
.danger[data-progress]:not([data-progress="indeterminate"])::before {
    background:
        repeating-linear-gradient(
            to right,
            transparent 0,
            transparent calc(10% - 0.5px),
            var(--surface) calc(10% - 0.5px),
            var(--surface) 10%
        ),
        linear-gradient(
            to right,
            rgba(255,51,51, 0.06) calc(var(--prog-filled) * 10%),
            transparent               calc(var(--prog-filled) * 10%)
        );
}

/* --- Status Pip --- */
.n-status-pip {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 10px;
    height: 10px;
    border-radius: 0;
    pointer-events: none;
    z-index: 2;
    background: transparent;
    border: 1px solid rgba(244,244,244, 0.06);
}

[data-status="ok"]    .n-status-pip { background: var(--accent); }
[data-status="warn"]  .n-status-pip { background: var(--amber); }
[data-status="error"] .n-status-pip { background: var(--danger); animation: hardBlink 1s steps(1) infinite; }
[data-status="busy"]  .n-status-pip { background: var(--accent); animation: hardBlink 1s steps(1) infinite; }

:is(.action-btn, .card, .submenu-item, .panel)[data-status="ok"]    { border-color: rgba(0,229,255, 0.25); }
:is(.action-btn, .card, .submenu-item, .panel)[data-status="warn"]  { border-color: rgba(255,179,0, 0.25); }
:is(.action-btn, .card, .submenu-item, .panel)[data-status="error"] { border-color: rgba(255,51,51, 0.25); }
:is(.action-btn, .card, .submenu-item, .panel)[data-status="busy"]  { border-color: rgba(0,229,255, 0.20); }

/* --- Active / Inactive --- */
:is(.action-btn, .submenu-item)[data-active="true"] {
    color: var(--accent);
    border-color: rgba(0,229,255, 0.30);
}

:is(.action-btn, .card, .submenu-item)[data-active="false"] {
    pointer-events: none;
    cursor: default;
}

/* --- Disabled X overlay --- */
.ahi-disabled {
    position: relative;
    pointer-events: none;
    background: rgba(10,10,10, 0.6) !important;
    border-color: rgba(244,244,244, 0.05) !important;
}
.ahi-disabled::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background:
        linear-gradient(
            to top right,
            transparent calc(50% - 0.5px),
            var(--border) calc(50% - 0.5px),
            var(--border) calc(50% + 0.5px),
            transparent calc(50% + 0.5px)
        ),
        linear-gradient(
            to top left,
            transparent calc(50% - 0.5px),
            var(--border) calc(50% - 0.5px),
            var(--border) calc(50% + 0.5px),
            transparent calc(50% + 0.5px)
        );
}

/* --- Lockout cooldown --- */
.n-locked {
    cursor: wait !important;
}

/* ═══════════ In-Grid Notifications (nNotify) ═══════════ */

/* Notification box — sits inside the grayout overlay */
.nn-box {
    position: relative;
    background: var(--surface);
    border: 1px solid rgba(244,244,244, 0.15);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 90%;
    min-width: 160px;
    z-index: 1;
}

/* Corner anchors (reuse global corner styling) */
.nn-box .corner {
    color: rgba(244,244,244, 0.20);
}
.nn-box .corner-tl { top: 3px; left: 4px; }
.nn-box .corner-tr { top: 3px; right: 4px; }
.nn-box .corner-bl { bottom: 3px; left: 4px; }
.nn-box .corner-br { bottom: 3px; right: 4px; }

/* Icon */
.nn-icon {
    font-size: 1.25rem;
    color: var(--accent);
    flex-shrink: 0;
    line-height: 1;
}

/* Text content */
.nn-content {
    min-width: 0;
    flex: 1;
}

.nn-title {
    font-family: var(--font-label);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(244,244,244, 0.55);
    line-height: 1.2;
}

.nn-subtitle {
    font-family: var(--font-data);
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 0.03em;
    line-height: 1.4;
    margin-top: 0.15rem;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0s !important;
    }
}

/* ═══════════ Adaptive Sub-Element Hiding ═══════════ */
/* Performance-first responsive element hiding via CSS container
   queries.  Zero JS layout reads — pure CSS, zero thrashing.

   PRIORITY (highest → lowest):
     1. Icon       — always visible, never shrunk
     2. Title/Name — show in full → truncate to first word → hide
     3. Value/State — hide first (redundant with pips / bars)

   Containment lives on the grid item itself (.card already has
   container-type; .grid-cell and .grid-btn are added here).
   Named containers prevent cross-matching in nested layouts.  */

/* --- Containment contexts --- */
.grid-cell      { container-type: inline-size; container-name: cell; }
.grid-btn       { container-type: inline-size; container-name: btn; }
/* .card already has container-type: inline-size */

/* --- Flex-shrink priority (vertical overflow) --- */
.card-icon,
.nn-icon        { flex-shrink: 0; }
.card-info      { flex-shrink: 1; min-height: 0; }
.card-name      { flex-shrink: 0; }
.card-state     { flex-shrink: 10; min-height: 0; overflow: hidden; }

/* --- Button label baseline --- */
.btn-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

/* ── Tier 3: Values / state text — first to hide ────────── */

@container (max-width: 150px) {
    .card-state     { display: none; }
}

@container (max-width: 140px) {
    .slider-readout { display: none; }
}

@container (max-width: 130px) {
    .status-val     { display: none; }
}

/* Stepper value is NEVER hidden — it IS the control's output.
   The label collapses but the value always stays.            */

/* ── Tier 2: Titles / labels — truncate then hide ───────── */

@container (max-width: 110px) {
    .card-name {
        max-width: 6ch; /* ≈ first word + ellipsis */
    }
    .panel-label {
        max-width: 8ch;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .tg-option {
        font-size: .6rem;
        letter-spacing: 0;
    }
}

@container (max-width: 90px) {
    .btn-label      { display: none; }
    /* Icon-only state: enlarge icon to fill the freed space */
    .action-btn i,
    .grid-btn i     { font-size: 1.2rem; }
}

@container (max-width: 75px) {
    .panel-label    { display: none; }
    .status-label   { display: none; }
    /* Stepper label is exempt — always visible (truncated) */
    .gc-stepper .panel-label { display: block; }
}

@container (max-width: 70px) {
    .card-info      { display: none; }
}

/* ══════════════════════════════════════════════════════════════
   nInteractive — Edit Mode, Drag & Drop, Context Menu
   Styles for nInteractive.js module. Loaded globally so every
   page that uses nInteractive gets correct visuals automatically.
   ══════════════════════════════════════════════════════════════ */

/* ---------- Edit Mode ---------- */
/* Dashed outlines + subtle diagonal grid pattern */
.ni-edit-mode {
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(244,244,244, 0.012) 10px,
            rgba(244,244,244, 0.012) 11px
        ) !important;
}

.ni-edit-mode > [data-ni-idx] {
    outline: 1px dashed rgba(244,244,244, 0.20);
    outline-offset: -1px;
    cursor: grab;
}

.ni-edit-mode > [data-ni-idx]:active {
    cursor: grabbing;
}

/* Locked controls */
.ni-edit-mode > .ni-locked {
    outline-color: rgba(255,179,0, 0.30);
    cursor: not-allowed;
}

.ni-edit-mode > .ni-locked::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 6px;
    height: 6px;
    background: var(--amber);
    z-index: 5;
    pointer-events: none;
}

/* Muted controls – only visible in edit mode */
.ni-edit-mode > .ni-muted::before {
    content: '';
    position: absolute;
    bottom: 3px;
    left: 3px;
    width: 6px;
    height: 6px;
    background: var(--danger);
    z-index: 5;
    pointer-events: none;
    opacity: 0.6;
}

/* ---------- Drag & Drop ---------- */

/* Drag ghost */
.ni-drag-ghost {
    opacity: 0.6;
    border: 1px dashed var(--accent) !important;
    outline: none !important;
    box-shadow: 0 0 24px rgba(0,229,255, 0.12);
}

/* Drag source (dimmed) */
.ni-drag-source {
    opacity: 0.2;
}

/* Drop indicator */
.ni-drop-indicator {
    border: 2px dashed rgba(0,229,255, 0.40);
    border-radius: var(--radius);
    background: rgba(0,229,255, 0.04);
    pointer-events: none;
    transition: border-color 0.15s, background 0.15s;
}

/* Drop indicator — invalid / overlapping position */
.ni-drop-indicator.ni-drop-invalid {
    border-color: rgba(255,179,0, 0.55);
    background: rgba(255,179,0, 0.06);
}

/* Placement error — subtle flash on the container */
@keyframes ni-error-flash {
    0%, 100% { box-shadow: none; }
    20%, 80% { box-shadow: inset 0 0 0 2px rgba(255,51,51, 0.20); }
}
.ni-placement-error {
    animation: ni-error-flash 0.6s ease;
}

/* ---------- Context Menu ---------- */

.ni-ctx-menu {
    background: var(--surface);
    border: 1px solid rgba(244,244,244, 0.15);
    border-radius: var(--radius);
    padding: 10px;
    min-width: 180px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ni-ctx-menu .corner {
    color: rgba(244,244,244, 0.20);
}

.ni-ctx-title {
    font-family: var(--font-label);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: rgba(244,244,244, 0.50);
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2px;
}

.ni-ctx-item {
    font-family: var(--font-data);
    font-size: .65rem;
    letter-spacing: .06em;
    color: var(--text-dim);
    padding: 7px 6px;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ni-ctx-item:hover {
    color: var(--text);
    border-color: var(--border);
}

.ni-ctx-item i {
    font-size: .8rem;
    width: 16px;
    text-align: center;
}

/* Resize / theme sub-menu: row of buttons */
.ni-ctx-resize-header {
    padding-bottom: 2px !important;
    margin-bottom: 0 !important;
}

.ni-ctx-size-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 4px 6px 6px;
}

.ni-ctx-size-btn {
    font-family: var(--font-data);
    font-size: .6rem;
    letter-spacing: .04em;
    color: var(--text-dim);
    text-align: center;
    padding: 5px 2px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.ni-ctx-size-btn:hover {
    color: var(--text);
    border-color: var(--accent);
    background: rgba(0,229,255, 0.04);
}

.ni-ctx-size-btn.active {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(0,229,255, 0.08);
    cursor: default;
    pointer-events: none;
}

/* Sound hash stepper row */
.ni-ctx-hash-row {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 6px 6px;
}

.ni-ctx-hash-btn {
    width: 28px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-data);
    font-size: .75rem;
    font-weight: 700;
    color: var(--text-dim);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    transition: color 0.15s, border-color 0.15s;
}

.ni-ctx-hash-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.ni-ctx-hash-val {
    flex: 1;
    font-family: var(--font-data);
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--accent);
    text-align: center;
}

/* ---------- Edit Mode Banner ---------- */

.ni-edit-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1500;
    background: rgba(0,229,255, 0.06);
    border-bottom: 1px solid rgba(0,229,255, 0.20);
    padding: 5px 16px;
    font-family: var(--font-data);
    font-size: .55rem;
    letter-spacing: .08em;
    color: var(--accent);
    text-align: center;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(-100%);
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
}

.ni-edit-banner.visible {
    opacity: 1;
    transform: translateY(0);
    animation: bannerStrobe 0.5s steps(1) 1;
}

@keyframes bannerStrobe {
    0%, 20%, 40%, 60%, 80% { background: rgba(0,229,255, 0.12); }
    10%, 30%, 50%, 70%, 90% { background: rgba(0,229,255, 0.03); }
    100% { background: rgba(0,229,255, 0.06); }
}

.ni-banner-hint {
    color: rgba(0,229,255, 0.45);
}