/* ============================================================================
   TD2 PIS – styles
   Aesthetic: a physical announcement device. A moulded grey plastic housing
   with corner screws and a silk-screened operator label, a recessed monochrome
   green dot-matrix LCD for all readouts (train list, schedule, overview), and
   chunky tactile push-buttons with printed legends and indicator LEDs.
   Mobile-first.
   ============================================================================ */

:root {
  /* desk / ambient */
  --desk:       #141619;

  /* housing (moulded plastic) */
  --case:       #3a3d43;
  --case-2:     #2c2f34;
  --case-hi:    #585d65;
  --case-lo:    #1d1f23;
  --screw:      #14151800;
  --silk:       #c4c9d1;   /* silk-screened legends on the case */
  --silk-dim:   #878d96;

  /* button caps */
  --cap:        #33363c;
  --cap-hi:     #4e525b;
  --cap-lo:     #1b1d20;
  --legend:     #dde1e7;
  --legend-dim: #aab0b9;

  /* monochrome LCD */
  --lcd-1:      #bcce86;   /* lit backlight, top */
  --lcd-2:      #a6b96d;   /* lit backlight, bottom */
  --lcd-ink:    #1b2710;   /* dark pixels */
  --lcd-dim:    #46582a;   /* secondary pixels */
  --lcd-grid:   rgba(20,30,8,.10);

  /* indicator LEDs */
  --led-green:  #4ee06d;
  --led-amber:  #ffb12b;
  --led-red:    #ff5747;

  --tap:        52px;
  --font:       ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:       ui-monospace, "DejaVu Sans Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1200px 800px at 50% -10%, #20232a 0%, var(--desk) 55%, #0e0f11 100%);
  color: var(--silk);
  font-family: var(--font);
  font-size: 16px; line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
  padding: clamp(8px, 2.4vw, 28px);
  padding-top: calc(clamp(8px, 2.4vw, 28px) + env(safe-area-inset-top));
  padding-bottom: calc(clamp(8px, 2.4vw, 28px) + env(safe-area-inset-bottom));
}

/* ============================================================================
   HOUSING
   ============================================================================ */
.device { max-width: 760px; margin: 0 auto; }
.bezel {
  position: relative;
  border-radius: 22px;
  padding: clamp(12px, 2.4vw, 22px);
  /* corner screws over a moulded plastic body */
  background:
    radial-gradient(circle at 16px 16px,                      #6a6f78 0 1px, #0e0f11 2px 4.5px, transparent 5.5px),
    radial-gradient(circle at calc(100% - 16px) 16px,         #6a6f78 0 1px, #0e0f11 2px 4.5px, transparent 5.5px),
    radial-gradient(circle at 16px calc(100% - 16px),         #6a6f78 0 1px, #0e0f11 2px 4.5px, transparent 5.5px),
    radial-gradient(circle at calc(100% - 16px) calc(100% - 16px), #6a6f78 0 1px, #0e0f11 2px 4.5px, transparent 5.5px),
    linear-gradient(180deg, var(--case-hi) 0%, var(--case) 12%, var(--case-2) 100%);
  border: 1px solid #4a4f57;
  box-shadow:
    0 1px 0 rgba(255,255,255,.10) inset,
    0 -3px 8px rgba(0,0,0,.5) inset,
    0 30px 70px rgba(0,0,0,.6),
    0 6px 18px rgba(0,0,0,.5);
}

/* ---------- top label area ---------- */
.plate {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  padding: 4px 6px 16px;
}
.plate-brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.logo-mark {
  flex: 0 0 auto; display: grid; place-items: center;
  width: 44px; height: 44px; border-radius: 8px;
  font: 900 17px/1 var(--font); letter-spacing: .04em; color: #2a1d05;
  background: linear-gradient(180deg, #ffc24d, #f4a423 60%, #c97f12);
  box-shadow: 0 1px 0 rgba(255,255,255,.55) inset, 0 -2px 4px rgba(0,0,0,.35) inset, 0 2px 5px rgba(0,0,0,.5);
}
.plate-text { display: flex; flex-direction: column; line-height: 1.1; min-width: 0; }
.operator {
  font: 800 17px/1.1 var(--font); letter-spacing: .12em; text-transform: uppercase;
  color: #e7eaef; text-shadow: 0 1px 0 rgba(0,0,0,.5);
}
.operator b { color: #f4a423; }
.sysline {
  font: 700 10px/1.3 var(--mono); letter-spacing: .14em; text-transform: uppercase;
  color: var(--silk-dim); margin-top: 4px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sysline .model { color: #cfd5dd; }

.plate-instruments { display: flex; align-items: center; gap: 10px; }

/* indicator LED (power/system) on the case */
.lamp {
  display: inline-flex; align-items: center; gap: 7px;
  font: 700 9px var(--mono); letter-spacing: .16em; color: var(--silk-dim);
  padding: 7px 9px; border-radius: 7px;
  background: linear-gradient(180deg, #26282d, #17191c);
  border: 1px solid #45494f;
  box-shadow: 0 1px 0 rgba(255,255,255,.06) inset, 0 2px 4px rgba(0,0,0,.4);
}
.lamp-dot {
  width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto;
  background: radial-gradient(circle at 35% 30%, #b9ffce, var(--led-green) 60%, #157a30);
  box-shadow: 0 0 7px rgba(78,224,109,.9), 0 0 0 1px rgba(0,0,0,.4);
  animation: ledBlink 2.6s ease-in-out infinite;
}

/* small secondary LCD clock on the case */
.hmi-clock {
  font: 800 15px/1 var(--mono); letter-spacing: .08em; color: var(--lcd-ink);
  padding: 8px 10px; border-radius: 6px;
  background: linear-gradient(180deg, var(--lcd-1), var(--lcd-2));
  border: 1px solid #5a6a3c;
  box-shadow: 0 2px 5px rgba(0,0,0,.4) inset, 0 1px 0 rgba(255,255,255,.15);
  text-shadow: 0 1px 0 rgba(255,255,255,.18);
}

/* language selector – small physical toggle */
.lang-toggle {
  display: inline-flex; border: 1px solid #45494f; border-radius: 8px; overflow: hidden;
  background: #17191c; box-shadow: 0 2px 4px rgba(0,0,0,.4) inset;
}
.lang-toggle button {
  appearance: none; border: 0; background: transparent; color: var(--legend-dim);
  font: 700 12px var(--mono); letter-spacing: .06em; padding: 9px 11px; cursor: pointer; min-width: 42px;
}
.lang-toggle button.is-active {
  background: linear-gradient(180deg, #ffc24d, #f4a423); color: #2a1d05;
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset;
}
.icon-btn {
  appearance: none; border: 1px solid #4a4f57;
  background: linear-gradient(180deg, var(--cap-hi) 0%, var(--cap) 45%, var(--cap-lo) 100%);
  color: var(--legend); width: 42px; height: 42px; border-radius: 9px;
  font-size: 18px; cursor: pointer;
  box-shadow: 0 1px 0 rgba(255,255,255,.18) inset, 0 -2px 3px rgba(0,0,0,.4) inset, 0 3px 5px rgba(0,0,0,.45);
}
.icon-btn:active { transform: translateY(2px); box-shadow: 0 1px 2px rgba(0,0,0,.4); }

/* ============================================================================
   SCREEN-GLASS = interior of the housing (NOT the LCD itself)
   ============================================================================ */
.screen-glass {
  position: relative;
  border-radius: 14px;
  background: linear-gradient(180deg, #303338, #25282c);
  border: 1px solid #44484f;
  padding: clamp(12px, 2.2vw, 18px);
  box-shadow: 0 1px 0 rgba(255,255,255,.08) inset, 0 4px 14px rgba(0,0,0,.4) inset;
}
.wrap { position: relative; }
.screen { display: none; }
.screen.is-visible { display: block; }

/* ---------- module panels (areas of the housing face) ---------- */
.panel {
  background: linear-gradient(180deg, #34373d 0%, #2b2e33 100%);
  border: 1px solid #45494f;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 1px 0 rgba(255,255,255,.06) inset, 0 3px 8px rgba(0,0,0,.35);
}
.panel:last-child { margin-bottom: 0; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }

/* silk-screened labels engraved on the case */
.eyebrow {
  margin: 0 0 10px; font: 800 11px/1 var(--mono);
  letter-spacing: .22em; text-transform: uppercase; color: var(--silk);
  text-shadow: 0 1px 0 rgba(0,0,0,.6);
  display: inline-flex; align-items: center; gap: 8px;
}
.eyebrow::before {
  content: ""; width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffd27a, var(--led-amber) 60%, #9a6a12);
  box-shadow: 0 0 6px rgba(255,177,43,.7), 0 0 0 1px rgba(0,0,0,.4);
}
.h1 { margin: 0 0 6px; font-size: 22px; font-weight: 800; letter-spacing: .01em; color: #e7eaef; }
.muted { color: var(--silk-dim); }
.small { font-size: 13px; }
.status { min-height: 20px; margin: 12px 0 8px; font: 700 12px var(--mono); letter-spacing: .08em; color: var(--silk-dim); text-transform: uppercase; }

/* ============================================================================
   LCD READOUT SURFACES (recessed monochrome dot-matrix windows)
   applied to: train list, schedule, overview, train-head info strip
   ============================================================================ */
.train-list,
.stops,
.overview,
.train-head-main.lcd-readout {
  position: relative;
  list-style: none; margin: 8px 0 0; padding: 8px 10px;
  border-radius: 8px;
  color: var(--lcd-ink);
  font-family: var(--mono);
  background-image:
    repeating-linear-gradient(0deg,  var(--lcd-grid) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, var(--lcd-grid) 0 1px, transparent 1px 4px),
    linear-gradient(180deg, var(--lcd-1), var(--lcd-2));
  border: 1px solid #59693b;
  box-shadow:
    0 0 0 2px #20231f inset,        /* dark LCD frame */
    0 2px 10px rgba(0,0,0,.5) inset, /* recess */
    0 1px 0 rgba(255,255,255,.12);
}
.train-head-main.lcd-readout { margin: 0; padding: 12px 14px; flex: 1; min-width: 0; }

/* ---------- train head strip ---------- */
.train-head { display: flex; gap: 12px; align-items: stretch; }
.back { width: 46px; min-height: 0; padding: 0; font-size: 26px; line-height: 1; flex: 0 0 auto; }
.train-id { display: flex; align-items: center; gap: 10px; }
.train-id .cat {
  font: 800 13px var(--mono); letter-spacing: .12em;
  color: var(--lcd-1); background: var(--lcd-ink);
  padding: 3px 8px; border-radius: 3px;
}
.train-id .no { font: 800 26px var(--mono); color: var(--lcd-ink); letter-spacing: .02em; }
.dev-led {
  width: 11px; height: 11px; border-radius: 50%; margin-left: auto; flex: 0 0 auto;
  background: #3a4a22; box-shadow: 0 0 0 1px rgba(0,0,0,.35) inset;
}
.dev-led.on   { background: radial-gradient(circle at 35% 30%, #c4ffd2, var(--led-green) 60%, #14702c); box-shadow: 0 0 8px rgba(78,224,109,.9); }
.dev-led.warn { background: radial-gradient(circle at 35% 30%, #ffe1a3, var(--led-amber) 60%, #9a6a12); box-shadow: 0 0 8px rgba(255,177,43,.85); }
.route { font: 700 16px var(--mono); margin-top: 8px; color: var(--lcd-ink); }
.route .arrow { color: var(--lcd-dim); margin: 0 6px; }
.train-meta { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.chip {
  font: 700 11px var(--mono); letter-spacing: .04em; color: var(--lcd-dim);
  border: 1px solid #6a7a48; padding: 3px 8px; border-radius: 3px; background: rgba(27,39,16,.05);
}
.chip.live { color: var(--lcd-ink); border-color: var(--lcd-ink); }
.chip.live::before { content: "▣ "; }
.chip.wait::before { content: "▢ "; }

/* ---------- driver search (recessed slot on the case) ---------- */
.searchrow { display: flex; gap: 10px; margin-top: 14px; }
#driverSearch {
  flex: 1; min-width: 0; height: var(--tap);
  background: #15171a; border: 1px solid #4a4f57; border-radius: 9px;
  color: var(--legend); font: 600 17px var(--mono); padding: 0 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,.5) inset;
}
#driverSearch::placeholder { color: #6b7178; }
#driverSearch:focus { outline: 2px solid var(--led-amber); outline-offset: 1px; border-color: transparent; }

/* ---------- train list rows (LCD lines) ---------- */
.train-list { display: block; }
.train-item {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  appearance: none; background: transparent; border: 0;
  border-bottom: 1px solid rgba(27,39,16,.22);
  color: var(--lcd-ink); padding: 11px 8px; cursor: pointer; min-height: 46px;
  font-family: var(--mono);
}
.train-list li:last-child .train-item { border-bottom: 0; }
.train-item:hover { background: rgba(27,39,16,.08); }
.train-item .ti-no { font: 800 19px var(--mono); min-width: 70px; }
.train-item .ti-driver { font-weight: 700; }
.train-item .ti-sub { color: var(--lcd-dim); font-size: 12px; }
.train-item .ti-region {
  margin-left: auto; font: 800 11px var(--mono); letter-spacing: .1em; text-transform: uppercase;
  color: var(--lcd-1); background: var(--lcd-ink); border-radius: 3px; padding: 3px 7px;
}

/* ============================================================================
   SCHEDULE READOUT (the main LCD list)
   ============================================================================ */
.stops { display: block; }
.stop {
  position: relative;
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  appearance: none; background: transparent; border: 0;
  border-bottom: 1px solid rgba(27,39,16,.20);
  color: var(--lcd-ink); padding: 11px 8px; cursor: pointer; min-height: 46px;
  font-family: var(--mono);
}
.stops li:last-child .stop { border-bottom: 0; }
.stop:hover { background: rgba(27,39,16,.08); }
/* selected = inverted block, like a real LCD cursor row */
.stop.is-current {
  background: var(--lcd-ink); color: var(--lcd-1);
  border-radius: 4px; border-bottom-color: transparent;
}
.stop.is-current::before { content: "▶"; position: absolute; left: -2px; font-size: 11px; }
.stop.is-done { color: var(--lcd-dim); }
.stop .marker {
  width: 22px; flex: 0 0 auto; text-align: center;
  font: 800 13px var(--mono); color: inherit; opacity: .8;
  background: none; border: 0; padding-left: 8px;
}
.stop .s-name { font-weight: 700; font-size: 15px; }
.stop .s-sub {
  display: inline-block; margin-top: 1px; font: 800 9px var(--mono); letter-spacing: .14em;
  border: 1px solid currentColor; border-radius: 2px; padding: 0 4px; opacity: .85;
}
.stop .s-time { margin-left: auto; font: 800 15px var(--mono); }

/* placeholder while waiting for a timetable (shown on the LCD) */
.wait-row {
  padding: 18px 10px; list-style: none; text-align: center;
  font: 700 12px var(--mono); letter-spacing: .08em; color: var(--lcd-dim);
  text-transform: uppercase;
}

/* ============================================================================
   OVERVIEW READOUT
   ============================================================================ */
.overview { }
.overview li {
  display: flex; align-items: center; gap: 12px; padding: 9px 8px;
  border-bottom: 1px solid rgba(27,39,16,.18); color: var(--lcd-ink); font-family: var(--mono);
}
.overview li:last-child { border-bottom: 0; }
.ov-dot { width: 9px; height: 9px; border-radius: 1px; background: transparent; border: 1.5px solid var(--lcd-dim); flex: 0 0 auto; }
.ov-dot.ph, .ov-dot.start, .ov-dot.final { background: var(--lcd-ink); border-color: var(--lcd-ink); }
.ov-name { font-weight: 700; }
.ov-name.is-pass { color: var(--lcd-dim); font-weight: 500; }
.ov-time { margin-left: auto; font: 800 13px var(--mono); }

/* ============================================================================
   TABS (mode buttons)
   ============================================================================ */
.tabs { display: flex; gap: 10px; margin-bottom: 12px; }
.tab {
  flex: 1; appearance: none; cursor: pointer; border-radius: 10px;
  border: 1px solid #4a4f57; color: var(--legend-dim);
  font: 800 13px var(--font); letter-spacing: .06em; text-transform: uppercase; padding: 13px;
  background: linear-gradient(180deg, var(--cap-hi) 0%, var(--cap) 45%, var(--cap-lo) 100%);
  box-shadow: 0 1px 0 rgba(255,255,255,.16) inset, 0 -2px 3px rgba(0,0,0,.4) inset, 0 3px 5px rgba(0,0,0,.45);
}
.tab.is-active {
  color: var(--led-amber); border-color: #6a5a2a;
  background: linear-gradient(180deg, #24262b 0%, #1b1d20 100%);
  box-shadow: 0 2px 6px rgba(0,0,0,.5) inset, 0 0 0 1px rgba(255,177,43,.2) inset;
}
.tabpane { display: none; }
.tabpane.is-visible { display: block; }

/* announce-language toggles (small caps on the case) */
.announce-langs { display: inline-flex; gap: 6px; }
.announce-langs button {
  appearance: none; cursor: pointer; border-radius: 7px; border: 1px solid #4a4f57;
  color: var(--legend-dim); font: 800 12px var(--mono); letter-spacing: .06em; padding: 8px 11px; min-width: 44px;
  background: linear-gradient(180deg, var(--cap-hi), var(--cap) 50%, var(--cap-lo));
  box-shadow: 0 1px 0 rgba(255,255,255,.14) inset, 0 2px 4px rgba(0,0,0,.4);
}
.announce-langs button.is-on {
  color: #2a1d05; background: linear-gradient(180deg, #ffc24d, #f4a423); border-color: #6a5a2a;
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 0 8px rgba(255,177,43,.3);
}

/* ============================================================================
   PHYSICAL PUSH-BUTTONS
   ============================================================================ */
.action-title {
  color: var(--silk-dim); margin-bottom: 14px;
  font: 700 11px var(--mono); letter-spacing: .12em; text-transform: uppercase;
}
.action-title b { color: var(--silk); }
.nav-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.action-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.btn {
  position: relative;
  appearance: none; cursor: pointer; border-radius: 11px;
  border: 1px solid #4a4f57;
  background: linear-gradient(180deg, var(--cap-hi) 0%, var(--cap) 42%, var(--cap-lo) 100%);
  color: var(--legend);
  font: 800 13px var(--font); letter-spacing: .06em; text-transform: uppercase;
  padding: 14px 14px; min-height: var(--tap);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow:
    0 1px 0 rgba(255,255,255,.18) inset,
    0 -3px 0 rgba(0,0,0,.35) inset,
    0 4px 0 #14161a,            /* the cap's vertical travel */
    0 6px 8px rgba(0,0,0,.45);
  transition: transform .04s ease, box-shadow .04s ease;
}
.btn:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 rgba(255,255,255,.12) inset, 0 1px 2px rgba(0,0,0,.4), 0 1px 0 #14161a;
}
.btn .arrow { font-size: 16px; color: var(--legend-dim); }
.btn.big { font-size: 14px; min-height: 56px; }
.btn.nav { min-height: 46px; font-size: 12px; color: var(--legend-dim); }
.btn.subtle { grid-column: 1 / -1; color: var(--legend-dim); }
.btn.welcome {
  grid-column: 1 / -1; color: #2a1d05;
  background: linear-gradient(180deg, #ffd26b 0%, #f4a423 50%, #c97f12 100%);
  border-color: #7a5e1c;
  box-shadow:
    0 1px 0 rgba(255,255,255,.5) inset, 0 -3px 0 rgba(120,80,10,.4) inset,
    0 4px 0 #7d520d, 0 6px 9px rgba(0,0,0,.45);
}
.btn.welcome:active { transform: translateY(4px); box-shadow: 0 1px 0 rgba(255,255,255,.35) inset, 0 1px 2px rgba(0,0,0,.4), 0 1px 0 #7d520d; }
/* LED on the welcome key */
.btn.welcome::after {
  content: ""; position: absolute; top: 8px; right: 10px;
  width: 7px; height: 7px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #d6ffe0, var(--led-green) 60%, #157a30);
  box-shadow: 0 0 6px rgba(78,224,109,.9);
}
.btn.ghost {
  background: linear-gradient(180deg, var(--cap-hi), var(--cap) 50%, var(--cap-lo));
  color: var(--legend);
}
.btn[disabled] { opacity: .4; cursor: not-allowed; }
.btn[disabled]:active { transform: none; box-shadow: 0 1px 0 rgba(255,255,255,.1) inset, 0 4px 0 #14161a, 0 6px 8px rgba(0,0,0,.45); }
.btn.is-busy { color: transparent !important; }
.btn.is-busy::before {
  content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(0,0,0,.25); border-top-color: rgba(0,0,0,.7); animation: spin .7s linear infinite;
}

/* special announcement keys */
.special-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.special-grid .btn {
  flex-direction: column; gap: 6px; line-height: 1.2; padding: 13px 10px; text-align: center;
}
.special-grid .btn .sk {
  font: 800 10px var(--mono); letter-spacing: .14em; color: #2a1d05;
  background: linear-gradient(180deg, #ffd27a, var(--led-amber)); border-radius: 3px; padding: 2px 7px;
  box-shadow: 0 0 6px rgba(255,177,43,.4);
}

/* ============================================================================
   DOCKED STATUS READOUT (mini LCD strip)
   ============================================================================ */
.statusline {
  position: absolute; left: 14px; right: 14px;
  bottom: calc(14px + env(safe-area-inset-bottom)); z-index: 8;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-radius: 8px;
  background: linear-gradient(180deg, var(--lcd-1), var(--lcd-2));
  border: 1px solid #59693b; color: var(--lcd-ink);
  font: 800 13px var(--mono); letter-spacing: .08em; text-transform: uppercase;
  box-shadow: 0 0 0 2px #20231f inset, 0 2px 8px rgba(0,0,0,.4) inset, 0 12px 26px rgba(0,0,0,.55);
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.statusline::before {
  content: ""; width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto;
  background: var(--lcd-ink); animation: ledBlink 1s ease-in-out infinite;
}
#nowPlaying.show { opacity: 1; transform: translateY(0); }
#nowPlaying.err {
  background: linear-gradient(180deg, #e7b3ad, #d99089);
  border-color: #8a3b33; color: #3a0e09;
}

/* ============================================================================
   SETTINGS (device menu overlay)
   ============================================================================ */
.modal {
  position: fixed; inset: 0; z-index: 60; display: grid; place-items: end center;
  background: rgba(3,4,6,.7); backdrop-filter: blur(4px);
}
.modal[hidden] { display: none; }
.modal-card {
  width: 100%; max-width: 560px; max-height: 92dvh; overflow: auto; margin: 0;
  border-radius: 16px 16px 0 0;
  background: linear-gradient(180deg, var(--case) 0%, var(--case-2) 100%);
  border: 1px solid #4a4f57;
  box-shadow: 0 -12px 40px rgba(0,0,0,.6);
}
@media (min-width: 600px) { .modal { place-items: center; padding: 20px; } .modal-card { border-radius: 16px; } }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.modal-head h2 { margin: 0; font: 800 18px var(--font); letter-spacing: .04em; text-transform: uppercase; color: #e7eaef; }
.settings-section { border-top: 1px solid #4a4f57; padding: 14px 0; }
.settings-section h3 { margin: 0 0 12px; font: 800 11px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--silk); }
.field { display: grid; gap: 6px; margin: 10px 0; font-size: 14px; color: var(--silk-dim); }
.field input, .voice-pickers select {
  height: 46px; background: #15171a; border: 1px solid #4a4f57;
  border-radius: 9px; color: var(--legend); padding: 0 12px; font-size: 15px;
  box-shadow: 0 2px 6px rgba(0,0,0,.4) inset;
}
.field input:focus, .voice-pickers select:focus { outline: 2px solid var(--led-amber); outline-offset: 1px; }
.voice-pickers { display: grid; gap: 10px; }
.voice-pickers .vp { display: grid; grid-template-columns: 48px 1fr; align-items: center; gap: 10px; }
.voice-pickers .vp label { font: 800 13px var(--mono); letter-spacing: .06em; color: var(--silk); }
.switch { display: flex; align-items: center; gap: 10px; margin: 10px 0; font-size: 14px; cursor: pointer; color: var(--silk); }
.switch input { width: 20px; height: 20px; accent-color: var(--led-amber); }
.hotkey-rows { display: grid; gap: 8px; }
.hotkey-row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; }
.hotkey-row .hk-label { font-size: 14px; color: var(--silk); }
.hotkey-row .hk-key {
  font: 800 13px var(--mono); letter-spacing: .06em; min-width: 124px; text-align: center;
  background: #15171a; border: 1px solid #4a4f57; border-radius: 7px; padding: 11px; cursor: pointer;
  color: var(--legend); box-shadow: 0 2px 5px rgba(0,0,0,.4) inset;
}
.hotkey-row .hk-key.listening { border-color: var(--led-amber); color: var(--led-amber); box-shadow: 0 0 0 1px var(--led-amber) inset; }
.settings-foot { display: flex; justify-content: space-between; gap: 10px; padding-top: 14px; border-top: 1px solid #4a4f57; }

/* ============================================================================
   a11y / motion / responsive
   ============================================================================ */
:focus-visible { outline: 2px solid var(--led-amber); outline-offset: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes ledBlink { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

@media (max-width: 560px) {
  body { padding: 6px; }
  .bezel {
    border-radius: 16px; padding: 10px;
    background: linear-gradient(180deg, var(--case-hi) 0%, var(--case) 12%, var(--case-2) 100%);
  }
  .plate { padding: 4px 4px 12px; }
  .lamp { display: none; }
  .operator { font-size: 15px; }
  .plate-instruments { gap: 8px; }
  .btn { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}