:root {
    --mat-red: #C0392B;
    --mat-gold: #D4A017;
    --mat-dark: #0D0D0D;
    --mat-panel: #141414;
    --mat-surface: #1C1C1C;
    --mat-border: #2A2A2A;
    --mat-text: #F0EDE8;
    --mat-muted: #888;
    --warning-color: #FF6B35;
    --danger-color: #C0392B;
    --go-color: #27AE60;
    --font-display: 'Bebas Neue', sans-serif;
    --font-ui: 'Barlow Condensed', sans-serif;
    --font-body: 'Barlow', sans-serif;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { overflow-x: hidden; }
  body { background: var(--mat-dark); color: var(--mat-text); font-family: var(--font-body); min-height: 100vh; overflow-x: hidden; }

  /* ─── LANDING ──────────────────────────────────────────────── */
  #landing {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 100vh; padding: 2rem;
    background: radial-gradient(ellipse at 50% 30%, #1a0a00 0%, var(--mat-dark) 70%);
    position: relative; overflow: hidden;
  }
  #landing::before {
    content: ''; position: absolute; inset: 0;
    background-image:
      repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(255,255,255,.015) 40px, rgba(255,255,255,.015) 41px),
      repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(255,255,255,.015) 40px, rgba(255,255,255,.015) 41px);
    pointer-events: none;
  }
  .logo-mark { width: 200px; height: 200px; margin-bottom: 1.5rem; overflow: hidden; }
  .logo-mark svg, .logo-mark img { width: 100%; height: 100%; object-fit: contain; }
  .landing-title { font-family: var(--font-display); font-size: clamp(3rem,8vw,6rem); letter-spacing: .05em; color: var(--mat-text); text-align: center; line-height: .9; margin-bottom: .5rem; }
  .landing-sub { font-family: var(--font-ui); font-size: 1.1rem; letter-spacing: .3em; color: var(--mat-muted); text-transform: uppercase; margin-bottom: 3rem; }


  input[type="text"] { flex: 1; background: var(--mat-dark); border: 1px solid var(--mat-border); border-radius: 4px; color: var(--mat-text); font-family: var(--font-ui); font-size: 1.1rem; letter-spacing: .1em; padding: .75rem 1rem; outline: none; transition: border-color .2s; text-transform: uppercase; }
  input[type="text"]:focus,
  input[type="email"]:focus,
  input[type="password"]:focus { border-color: var(--mat-gold); }
  input[type="number"] { background: var(--mat-dark); border: 1px solid var(--mat-border); border-radius: 3px; color: var(--mat-text); font-family: var(--font-display); font-size: 1.4rem; text-align: center; padding: .4rem .25rem; width: 100%; outline: none; transition: border-color .2s; }
  input[type="number"]:focus { border-color: var(--mat-gold); }
  input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }

  /* ─── BUTTONS ──────────────────────────────────────────────── */
  .btn { font-family: var(--font-ui); font-size: 1rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; border: none; border-radius: 4px; padding: .75rem 1.5rem; cursor: pointer; transition: all .15s; }
  .btn-gold { background: var(--mat-gold); color: #000; }
  .btn-gold:hover { background: #e8c547; transform: translateY(-1px); }
  .btn-outline { background: transparent; color: var(--mat-text); border: 1px solid var(--mat-border); }
  .btn-outline:hover { border-color: var(--mat-text); }
  .btn-red { background: var(--mat-red); color: #fff; }
  .btn-red:hover { background: #e74c3c; }
  .btn-green { background: var(--go-color); color: #fff; }
  .btn-green:hover { background: #2ecc71; }
  .btn-massive { font-size: 1.5rem; padding: 1.2rem 3rem; border-radius: 4px; min-width: 160px; }

  /* ─── STATUS BAR ───────────────────────────────────────────── */
  .status-bar { background: var(--mat-panel); border-bottom: 1px solid var(--mat-border); padding: .6rem 1.5rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; row-gap: .5rem; font-family: var(--font-ui); font-size: .85rem; letter-spacing: .1em; }
  .status-dot { width: 8px; height: 8px; border-radius: 50%; background: #555; display: inline-block; margin-right: .5rem; transition: background .3s; }
  .status-dot.connected { background: var(--go-color); box-shadow: 0 0 6px var(--go-color); }
  .status-dot.connecting { background: var(--mat-gold); animation: pulse-dot 1s infinite; }
  @keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:.3} }

  /* ─── CONTROLLER LAYOUT ────────────────────────────────────── */
  #controller { display: none; }
  .toggle-row { display: flex; align-items: center; justify-content: space-between; padding: .4rem 0; }
  .toggle-row span { font-family: var(--font-ui); font-size: .9rem; }
  .toggle { position: relative; width: 40px; height: 22px; cursor: pointer; }
  .toggle input { opacity: 0; width: 0; height: 0; }
  .toggle-slider { position: absolute; inset: 0; background: var(--mat-border); border-radius: 22px; transition: .2s; }
  .toggle-slider:before { content: ''; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .2s; }
  .toggle input:checked + .toggle-slider { background: var(--mat-gold); }
  .toggle input:checked + .toggle-slider:before { transform: translateX(18px); }
  .config-field { display: flex; flex-direction: column; gap: .3rem; }

  .audio-file-btn { flex: 1; background: var(--mat-dark); border: 1px solid var(--mat-border); border-radius: 3px; padding: .3rem .5rem; cursor: pointer; transition: border-color .15s; overflow: hidden; min-width: 0; }
  .audio-file-btn:hover { border-color: var(--mat-gold); }
  .audio-file-btn span { font-family: var(--font-ui); font-size: .75rem; letter-spacing: .03em; color: var(--mat-muted); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .audio-file-btn.loaded span { color: var(--mat-gold); }
  .audio-file-btn input[type="file"] { display: none; }

  /* ─── CTRL MAIN (full width, phone-friendly) ──────────────────── */
  .ctrl-main { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.5rem; padding: 1.5rem 1rem; background: radial-gradient(ellipse at 50% 40%, #1a0800 0%, var(--mat-dark) 70%); overflow-y: auto; }
  .ctrl-tabs { display: flex; gap: 0; border: 1px solid var(--mat-border); border-radius: 4px; overflow: hidden; width: 100%; max-width: 480px; }
  .ctrl-tab { flex: 1; background: var(--mat-surface); border: none; color: var(--mat-muted); cursor: pointer; font-family: var(--font-ui); font-size: .85rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: .65rem .5rem; transition: all .15s; border-right: 1px solid var(--mat-border); }
  .ctrl-tab:last-child { border-right: none; }
  .ctrl-tab:hover { background: var(--mat-panel); color: var(--mat-text); }
  .ctrl-tab.active { background: var(--mat-gold); color: #000; }
  .ctrl-panel { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; width: 100%; max-width: 480px; }
  .ctrl-preview { text-align: center; width: 100%; }
  .ctrl-timer-display { font-family: var(--font-display); font-size: clamp(4rem,20vw,9rem); line-height: 1; letter-spacing: .02em; color: var(--mat-text); transition: color .3s; text-shadow: 0 0 60px rgba(240,237,232,.1); }
  .ctrl-timer-display.warning { color: var(--warning-color); text-shadow: 0 0 40px rgba(255,107,53,.3); }
  .ctrl-timer-display.danger { color: var(--danger-color); text-shadow: 0 0 40px rgba(192,57,43,.4); animation: flash-red .5s infinite; }
  @keyframes flash-red { 0%,100%{opacity:1} 50%{opacity:.5} }
  .round-indicator { font-family: var(--font-ui); font-size: .9rem; letter-spacing: .3em; color: var(--mat-muted); text-transform: uppercase; margin-bottom: .25rem; }
  .phase-label { font-family: var(--font-ui); font-size: .85rem; letter-spacing: .25em; margin-top: .4rem; padding: .25rem .8rem; border-radius: 2px; text-transform: uppercase; display: inline-block; }
  .phase-label.fight { background: rgba(192,57,43,.2); color: var(--mat-red); border: 1px solid rgba(192,57,43,.3); }
  .phase-label.rest { background: rgba(39,174,96,.2); color: var(--go-color); border: 1px solid rgba(39,174,96,.3); }
  .ctrl-buttons { display: flex; gap: .75rem; justify-content: center; width: 100%; }
  .btn-massive { font-size: clamp(1rem,4vw,1.4rem); padding: 1rem 1.5rem; border-radius: 4px; flex: 1; min-width: 80px; max-width: 160px; text-align: center; }
  .sw-millis { font-size: .45em; letter-spacing: 0; opacity: .55; vertical-align: baseline; margin-left: .05em; }
  /* Duration strip */
  .duration-strip { display: flex; align-items: center; gap: .5rem; width: 100%; justify-content: center; flex-wrap: wrap; }
  .duration-label { font-family: var(--font-ui); font-size: .75rem; font-weight: 700; letter-spacing: .2em; color: var(--mat-muted); text-transform: uppercase; white-space: nowrap; }
  .duration-pills { display: flex; gap: .3rem; justify-content: center; flex-wrap: wrap; }
  .dur-pill { background: var(--mat-surface); border: 1px solid var(--mat-border); border-radius: 4px; color: var(--mat-muted); cursor: pointer; font-family: var(--font-ui); font-size: .95rem; font-weight: 700; letter-spacing: .05em; min-width: 2.4rem; padding: .45rem .5rem; text-align: center; transition: all .15s; }
  .dur-pill:hover { border-color: var(--mat-gold); color: var(--mat-gold); }
  .dur-pill.active { background: var(--mat-gold); border-color: var(--mat-gold); color: #000; }

  /* ─── DISPLAY VIEW ─────────────────────────────────────────── */
  #display { display: none; position: fixed; inset: 0; background: var(--mat-dark); flex-direction: column; }
  .display-inner { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem; background: radial-gradient(ellipse at 50% 35%, #200d00 0%, var(--mat-dark) 65%); transition: background .5s; position: relative; }
  .display-inner.phase-rest { background: radial-gradient(ellipse at 50% 35%, #062010 0%, var(--mat-dark) 65%); }
  .display-inner::before { content: ''; position: absolute; inset: 0; background-image: repeating-linear-gradient(0deg,transparent,transparent 60px,rgba(255,255,255,.012) 60px,rgba(255,255,255,.012) 61px), repeating-linear-gradient(90deg,transparent,transparent 60px,rgba(255,255,255,.012) 60px,rgba(255,255,255,.012) 61px); pointer-events: none; }
  .display-corner { position: absolute; font-family: var(--font-ui); font-size: .75rem; letter-spacing: .25em; color: rgba(255,255,255,.4); text-transform: uppercase; }
  .display-corner.tl { top: 1.5rem; left: 1.5rem; }
  .display-corner.tr { top: 1.5rem; right: 1.5rem; display: flex; align-items: center; gap: .4rem; }
  .display-round { font-family: var(--font-ui); font-size: clamp(1rem,2.5vw,1.4rem); letter-spacing: .5em; color: rgba(255,255,255,.8); text-transform: uppercase; margin-bottom: .5rem; text-align: center; padding-left: .5em; }
  .display-phase { font-family: var(--font-ui); font-size: clamp(1.2rem,3vw,1.8rem); letter-spacing: .4em; text-transform: uppercase; margin-bottom: 1rem; transition: color .5s; }
  .display-phase.fight { color: #fff; }
  .display-phase.rest { color: #fff; }
  .display-time { font-family: var(--font-display); font-size: clamp(10rem,32vw,28rem); line-height: .85; letter-spacing: .02em; color: #fff; transition: color .3s; position: relative; z-index: 1; }
  .display-bigclock { font-family: var(--font-display); font-size: clamp(8rem,26vw,22rem); line-height: 1; letter-spacing: .03em; color: rgba(255,255,255,.92); z-index: 1; text-align: center; }
  .display-analog { width: min(60vh, 60vw); height: min(60vh, 60vw); z-index: 1; }
  .display-analog .clock-face { fill: #fff; stroke: rgba(0,0,0,.15); stroke-width: 2; }
  .display-analog .clock-tick { stroke: rgba(0,0,0,.45); stroke-width: 2; }
  .display-analog .clock-tick.major { stroke: rgba(0,0,0,.85); stroke-width: 4; }
  .display-analog .clock-hand { stroke: #1a1a1a; stroke-linecap: round; }
  .display-analog .clock-hand.hour { stroke-width: 6; }
  .display-analog .clock-hand.min  { stroke-width: 4; }
  .display-analog .clock-hand.sec  { stroke: var(--mat-gold); stroke-width: 2; }
  .display-analog .clock-cap { fill: var(--mat-gold); }
  .display-analog .clock-label circle { stroke: #fff; stroke-width: 2; }
  .display-analog .clock-label.hour circle { fill: #1a1a1a; }
  .display-analog .clock-label.min  circle { fill: var(--mat-gold); }
  .display-analog .clock-label text { font-family: var(--font-ui); font-weight: 700; text-anchor: middle; dominant-baseline: central; }
  .display-analog .clock-label.hour text { font-size: 14px; fill: #fff; }
  .display-analog .clock-label.min  text { font-size: 12px; fill: #1a1a1a; }
  .display-time.warning { color: var(--warning-color); }
  .display-time.danger { color: var(--danger-color); animation: flash-red .5s infinite; }
  .display-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.85); display: flex; align-items: center; justify-content: center; z-index: 100; opacity: 0; pointer-events: none; transition: opacity .3s; }
  .display-overlay.visible { opacity: 1; pointer-events: all; }
  .overlay-msg { font-family: var(--font-display); font-size: clamp(3rem,10vw,8rem); letter-spacing: .05em; text-align: center; color: var(--mat-text); animation: overlay-in .3s ease; }
  @keyframes overlay-in { from{transform:scale(.9);opacity:0} to{transform:scale(1);opacity:1} }

  /* Reconnecting banner — slim, non-blocking, sits at top of display */
  .display-reconnect {
    position: absolute;
    top: 0; left: 0; right: 0;
    background: rgba(0,0,0,.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .75rem;
    padding: .6rem 1.5rem;
    z-index: 200;
    border-bottom: 2px solid var(--mat-gold);
  }
  .reconnect-spinner {
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,.2);
    border-top-color: var(--mat-gold);
    border-radius: 50%;
    animation: spin .8s linear infinite;
    flex-shrink: 0;
  }
  .reconnect-text {
    font-family: var(--font-ui);
    font-size: clamp(.75rem,1.5vw,1rem);
    letter-spacing: .2em;
    color: rgba(255,255,255,.7);
    text-transform: uppercase;
  }
  .display-clock { position: absolute; bottom: 1.25rem; left: 1.5rem; font-family: var(--font-display); font-size: clamp(70px,8vw,110px); letter-spacing: .04em; color: rgba(255,255,255,.6); line-height: 1; }
  #displayPanelTimer { position: relative; }
  .display-ring { position: absolute; width: min(82vw, 1150px); aspect-ratio: 1000 / 560; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 0; pointer-events: none; overflow: visible; }
  .display-ring-track { fill: none; stroke: rgba(255,255,255,.10); stroke-width: 30; }
  .display-ring-prog { fill: none; stroke: var(--mat-red); stroke-width: 30; stroke-linecap: round; will-change: stroke-dashoffset; }
  .display-inner.phase-rest .display-ring-prog { stroke: var(--go-color); }
  @media (prefers-reduced-motion: reduce) { .display-ring-prog { transition: none !important; } }
  .display-status { position: absolute; bottom: 1rem; right: 1rem; font-family: var(--font-ui); font-size: .75rem; letter-spacing: .15em; color: rgba(255,255,255,.15); text-transform: uppercase; display: flex; align-items: center; gap: .4rem; }


  /* Back button on display screen — top-left, directly under the gym name */
  .display-back-btn {
    position: absolute;
    top: 2.9rem;
    left: 1.5rem;
    background: none;
    border: none;
    border-radius: 4px;
    color: rgba(255,255,255,.45);
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .15em;
    padding: .3rem 0;
    text-transform: uppercase;
    transition: color .25s;
    z-index: 50;
  }
  /* TVs have no mouse — :hover never fires, so the resting color above must
     already be visible enough to find without interaction. :focus-visible
     covers remote/keyboard (D-pad) navigation, which also never triggers :hover. */
  .display-back-btn:hover, .display-back-btn:active, .display-back-btn:focus-visible {
    color: rgba(255,255,255,.85);
  }

  /* QR code bottom-right */
  .display-qr {
    position: absolute;
    bottom: 1.25rem;
    right: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .4rem;
    opacity: 0.55;
    transition: opacity .3s;
  }
  .display-qr:hover { opacity: 1; }
  .display-qr #displayQrCode { background: #fff; border-radius: 4px; padding: 6px; }
  .display-qr #displayQrCode canvas,
  .display-qr #displayQrCode img { display: block; width: clamp(70px,8vw,110px) !important; height: clamp(70px,8vw,110px) !important; }
  .display-qr-label {
    font-family: var(--font-ui);
    font-size: clamp(.5rem,.9vw,.75rem);
    letter-spacing: .08em;
    color: rgba(255,255,255,.6);
    text-align: center;
    text-transform: uppercase;
    max-width: 120px;
    word-break: break-all;
    line-height: 1.3;
  }

  /* ─── TV COLOR SCHEME ─────────────────────────────────────────── */
  :root {
    --tv1: #3B82F6;   /* blue   */
    --tv2: #10B981;   /* green  */
    --tv3: #F59E0B;   /* amber  */
    --tv4: #EC4899;   /* pink   */
    --tv-float: #8B5CF6; /* purple */
  }

  .landing-tv-card.connected .landing-tv-status { background: var(--tv-color); box-shadow: 0 0 8px var(--tv-color); }
  .landing-tv-card.tv-taken { opacity: .6; cursor: not-allowed; }
  .landing-tv-card.tv-taken:hover { transform: none; box-shadow: none; }
  .landing-tv-card.connected { background: rgba(255,255,255,.04); }

  /* ─── MAT LABEL (controller status bar) ──────────────────────── */
  .mat-label { font-family: var(--font-display); font-size: clamp(1.6rem,3.2vw,2.4rem); letter-spacing: .12em; color: var(--mat-gold); line-height: 1; }

  /* ─── MAT PICKER ──────────────────────────────────────────────── */
  .mat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
  .mat-card {
    display: flex; flex-direction: column; gap: .3rem;
    background: var(--mat-surface);
    border: 1px solid var(--mat-border);
    border-left: 4px solid var(--mat-border);
    border-radius: 8px;
    padding: 1.1rem 1rem;
    cursor: pointer;
    text-align: left;
    transition: all .15s;
  }
  .mat-card:hover { border-color: var(--mat-gold); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.4); }
  .mat-card-num { font-family: var(--font-display); font-size: 1.6rem; letter-spacing: .08em; color: var(--mat-text); line-height: 1; }
  .mat-card-status { font-family: var(--font-ui); font-size: .72rem; letter-spacing: .1em; color: var(--mat-muted); text-transform: uppercase; }
  .mat-card.mat-picked { border-color: var(--mat-gold); background: rgba(212,160,23,.12); box-shadow: 0 0 0 1px var(--mat-gold) inset; }
  .mat-card.mat-in-use { opacity: .5; cursor: not-allowed; }
  .mat-card.mat-in-use:hover { transform: none; box-shadow: none; border-color: var(--mat-border); }
  .mat-card.mat-in-use .mat-card-status { color: var(--warning-color); }

  .landing-tv-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; width: 100%; max-width: 680px; margin-bottom: 2rem; }
  .landing-tv-card { background: var(--mat-panel); border: 1px solid var(--mat-border); border-radius: 6px; padding: 1.25rem .75rem 1rem; text-align: center; cursor: pointer; transition: all .2s; position: relative; overflow: hidden; }
  .landing-tv-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--mat-gold); transform: scaleX(0); transition: transform .2s; }
  .landing-tv-card:hover { border-color: var(--mat-gold); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(212,160,23,.15); }
  .landing-tv-card:hover::before { transform: scaleX(1); }
  /* Per-mat accent color, set inline per card via --tv-color (see renderLandingTvGrid()).
     Same specificity as the base ::before/:hover::before rules above, so this must stay
     after them in source order to win the cascade. */
  .landing-tv-card::before,
  .landing-tv-card:hover::before { background: var(--tv-color); transform: scaleX(1); }
  .landing-tv-card .landing-tv-code { color: var(--tv-color); }
  .landing-tv-card.connected { border-color: rgba(39,174,96,.5); background: rgba(39,174,96,.06); }
  .landing-tv-card.connected::before { background: var(--go-color); transform: scaleX(1); }
  .landing-tv-icon { font-size: 1.5rem; margin-bottom: .4rem; }
  .landing-tv-label { font-family: var(--font-ui); font-size: .7rem; font-weight: 700; letter-spacing: .25em; color: var(--mat-muted); text-transform: uppercase; margin-bottom: .5rem; }
  .landing-tv-code { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: .1em; color: var(--mat-gold); line-height: 1; margin-bottom: .4rem; }
  .landing-tv-hint { font-family: var(--font-ui); font-size: .65rem; letter-spacing: .1em; color: var(--mat-muted); text-transform: uppercase; }
  .landing-tv-status { width: 6px; height: 6px; border-radius: 50%; background: var(--mat-border); margin: .5rem auto 0; transition: background .3s; }
  .landing-tv-card.connected .landing-tv-status { background: var(--go-color); box-shadow: 0 0 6px var(--go-color); }


  /* Controller lock button — top-left of landing, subtle */
  .ctrl-lock-btn {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    background: none;
    border: 1px solid var(--mat-border);
    border-radius: 4px;
    color: var(--mat-border);
    cursor: pointer;
    font-size: 1rem;
    padding: .4rem .55rem;
    line-height: 1;
    transition: all .2s;
    z-index: 10;
  }
  .ctrl-lock-btn:hover {
    border-color: var(--mat-muted);
    color: var(--mat-muted);
  }
  .landing-settings-btn {
    left: auto;
    right: 1.25rem;
    font-size: .75rem;
    letter-spacing: .05em;
  }

  /* ─── SHARE PAGE ──────────────────────────────────────────────── */
  @media (max-width: 480px) {
    .landing-tv-grid { grid-template-columns: repeat(2,1fr); }
  }

  /* ─── BRANDING MODAL ───────────────────────────────────────── */
  .modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.75); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 1rem; }
  .modal-box { background: var(--mat-panel); border: 1px solid var(--mat-border); border-radius: 6px; width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto; overflow-wrap: break-word; box-sizing: border-box; display: flex; flex-direction: column; }
  .modal-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; border-bottom: 1px solid var(--mat-border); }
  .modal-title { font-family: var(--font-ui); font-size: 1rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
  .modal-close { background: none; border: none; color: var(--mat-muted); cursor: pointer; font-size: 1.1rem; padding: .25rem .5rem; transition: color .15s; }
  .modal-close:hover { color: var(--mat-text); }
  .modal-body { padding: 1.25rem; display: flex; flex-direction: column; gap: 1.25rem; }
  .modal-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--mat-border); display: flex; justify-content: flex-end; gap: .75rem; }
  .modal-divider { border: none; border-top: 1px solid var(--mat-border); margin: 0; }
  .modal-field { display: flex; flex-direction: column; gap: .4rem; }
  .modal-field label { font-family: var(--font-ui); font-size: .75rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--mat-muted); }
  .logo-upload-row { display: flex; gap: .75rem; align-items: flex-start; }
  .logo-preview { width: 64px; height: 64px; background: var(--mat-dark); border: 1px solid var(--mat-border); border-radius: 4px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden; font-family: var(--font-ui); font-size: .65rem; color: var(--mat-muted); letter-spacing: .1em; }
  .brand-preview-box { background: var(--mat-dark); border: 1px solid var(--mat-border); border-radius: 4px; padding: 1.5rem; display: flex; flex-direction: column; align-items: center; gap: .5rem; }
  .brand-preview-logo { width: 52px; height: 52px; overflow: hidden; }
  .brand-preview-logo svg, .brand-preview-logo img { width: 100%; height: 100%; object-fit: contain; }
  .brand-preview-name { font-family: var(--font-display); font-size: 1.8rem; letter-spacing: .05em; color: var(--mat-text); text-align: center; line-height: 1; }
  .brand-preview-tagline { font-family: var(--font-ui); font-size: .8rem; letter-spacing: .25em; color: var(--mat-muted); text-transform: uppercase; }
  .brand-btn { background: none; border: none; color: var(--mat-muted); cursor: pointer; font-size: 1rem; padding: .3rem .5rem; transition: color .15s; line-height: 1; }
  .brand-btn:hover { color: var(--mat-gold); }

  /* ─── PROFILE GRID ────────────────────────────────────────────── */
  .profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
  .profile-card { background: var(--mat-surface); border: 2px solid var(--mat-border); border-radius: 8px; padding: 1rem .75rem .85rem; cursor: pointer; transition: all .15s; text-align: center; position: relative; overflow: hidden; }
  .profile-card:hover { border-color: var(--mat-gold); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.4); }
  .profile-card .profile-color-bar { position: absolute; top: 0; left: 0; right: 0; height: 4px; border-radius: 2px 2px 0 0; }
  .profile-card .profile-name { font-family: var(--font-ui); font-size: .95rem; font-weight: 700; letter-spacing: .05em; color: var(--mat-text); margin: .4rem 0 .2rem; line-height: 1.2; }
  .profile-card .profile-meta { font-family: var(--font-ui); font-size: .7rem; letter-spacing: .1em; color: var(--mat-muted); text-transform: uppercase; }
  .profile-card .profile-lock { position: absolute; top: .5rem; right: .5rem; font-size: .75rem; opacity: .6; }
  .profile-card .profile-delete { position: absolute; top: .4rem; left: .4rem; background: none; border: none; color: transparent; font-size: .75rem; cursor: pointer; padding: .1rem .3rem; border-radius: 3px; transition: all .15s; }
  .profile-card:hover .profile-delete { color: var(--mat-muted); }
  .profile-card .profile-delete:hover { color: var(--mat-red) !important; background: rgba(192,57,43,.15); }
  .profile-card .profile-edit { position: absolute; top: .4rem; right: .4rem; background: none; border: none; color: transparent; font-size: .8rem; cursor: pointer; padding: .1rem .3rem; border-radius: 3px; transition: all .15s; }
  .profile-card:hover .profile-edit { color: var(--mat-muted); }
  .profile-card .profile-edit:hover { color: var(--mat-gold) !important; background: rgba(212,160,23,.15); }

  /* ─── UTILITY ──────────────────────────────────────────────── */
  .hidden { display: none !important; }
  .connecting-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.9); display: flex; flex-direction: column; align-items: center; justify-content: center; z-index: 1000; gap: 1rem; font-family: var(--font-ui); letter-spacing: .2em; text-transform: uppercase; }
  .spinner { width: 40px; height: 40px; border: 3px solid var(--mat-border); border-top-color: var(--mat-gold); border-radius: 50%; animation: spin .8s linear infinite; }
  @keyframes spin { to{transform:rotate(360deg)} }
  #toast { position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(100px); background: var(--mat-panel); border: 1px solid var(--mat-border); border-radius: 4px; padding: .75rem 1.5rem; font-family: var(--font-ui); font-size: .9rem; letter-spacing: .1em; z-index: 9999; transition: transform .3s; max-width: calc(100vw - 2rem); white-space: normal; word-break: break-word; text-align: center; }
  #toast.show { transform: translateX(-50%) translateY(0); }

  @media (max-width:480px) {
    .ctrl-buttons { flex-direction: column; align-items: stretch; }
  }

  /* ─── STATUS BAR (mobile) — let the three groups wrap to their own rows ── */
  @media (max-width: 600px) {
    .status-bar { justify-content: center; gap: .5rem; }
    .status-bar > div { justify-content: center; }
    .mat-grid { grid-template-columns: 1fr; }
  }

  /* ─── MAT PICKER (tablet) — touch device wider than a phone: blow the
     grid up so the mat buttons dominate the screen instead of a small
     centered modal. pointer:coarse + width band separates tablets from
     both phones (caught by the 600px rule above) and mouse-driven desktops. */
  @media (min-width: 600px) and (pointer: coarse) {
    /* clamp(min, viewport-relative, max) instead of fixed rem -- scales
       with the actual tablet's screen instead of assuming one size. */
    #matPickerModal .modal-box { max-width: 94vw; width: 94vw; max-height: 94vh; }
    #matPickerModal .modal-title { font-size: clamp(1.3rem, 3vw, 2rem); }
    #matPickerModal .mat-grid { grid-template-columns: repeat(2, 1fr); gap: clamp(1rem, 3vw, 2.5rem); flex: 1; }
    #matPickerModal .mat-card { padding: clamp(1.5rem, 6vh, 4rem) clamp(1rem, 3vw, 2.5rem); justify-content: center; border-radius: 14px; }
    #matPickerModal .mat-card-num { font-size: clamp(2.5rem, 7vw, 5.5rem); }
    #matPickerModal .mat-card-status { font-size: clamp(.9rem, 1.8vw, 1.4rem); }
    #matPickerModal #matConfirmBtn { font-size: clamp(1rem, 2.5vw, 1.6rem); padding: clamp(.9rem, 3vh, 1.6rem); }

    /* Tablet-only: fill the mat card solid with the mat's own color (set as
       --mat-accent inline per mat) so a coach can tell mats apart from
       across the room -- the phone picker keeps the plain left-border accent. */
    #matPickerModal .mat-card { background: var(--mat-accent, var(--mat-surface)); border-color: var(--mat-accent, var(--mat-border)); }
    #matPickerModal .mat-card-num { color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,.55); }
    #matPickerModal .mat-card:not(.mat-in-use) .mat-card-status { color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,.55); }
    #matPickerModal .mat-card.mat-picked { box-shadow: 0 0 0 3px var(--mat-gold) inset, 0 0 20px rgba(212,160,23,.5); }
  }

  /* ─── MARKETING NAV — shared sticky top bar for landing/tool pages ─────── */
  .marketing-nav {
    position: sticky; top: 0; z-index: 100;
    background: #141414; border-bottom: 1px solid #2A2A2A;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1.5rem; height: 52px;
  }
  .marketing-nav-brand {
    display: flex; align-items: center; gap: .6rem;
    font-family: 'Bebas Neue', sans-serif; font-size: 1.2rem;
    letter-spacing: .12em; color: var(--mat-gold);
  }
  .marketing-nav-brand svg { width: 26px; height: 26px; flex-shrink: 0; }
  .marketing-nav-actions { display: flex; align-items: center; gap: .75rem; }
  @media (max-width: 600px) {
    .marketing-nav-brand span { display: none; }
  }

/* ─── Tablet music bar + playlist sheet (embedded Spotify player) ─── */
#musicBar { display: none; align-items: center; gap: .75rem; padding: .5rem .75rem; margin-top: .75rem; border: 1px solid var(--mat-border); border-radius: 8px; }
#musicBar img { width: 44px; height: 44px; border-radius: 4px; object-fit: cover; background: rgba(255,255,255,.06); }
#playlistSheet { position: fixed; inset: 0; display: none; z-index: 60; background: rgba(0,0,0,.5); }
#playlistSheet .sheet-body { position: absolute; left: 0; right: 0; bottom: 0; max-height: 60vh; overflow-y: auto; background: var(--mat-surface, #14161a); border-top: 1px solid var(--mat-border); border-radius: 12px 12px 0 0; padding: 1rem; }
.playlist-row { display: flex; align-items: center; gap: .75rem; padding: .6rem .25rem; cursor: pointer; border-bottom: 1px solid var(--mat-border); font-family: var(--font-ui); font-size: .9rem; }
.playlist-row img { width: 36px; height: 36px; border-radius: 4px; object-fit: cover; }