/* ---- CNTRCD Cable: retro broadcast TV ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --green: #33ff66;
  --guide-bg: #00003c;
  --guide-row: #1a1a8c;
  --guide-hdr: #ffd23f;
  --guide-cyan: #7ff7ff;
}

html, body {
  height: 100%;
  background: #0a0a0d;
  color: #ddd;
  font-family: "Courier New", ui-monospace, monospace;
  overflow: hidden;
}

/* ---------- power screen ---------- */
#power-screen {
  position: fixed; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2rem;
  background: radial-gradient(ellipse at 50% 45%, #16161c 0%, #050507 70%);
  z-index: 50;
}
#power-brand {
  font-size: clamp(2rem, 6vw, 4rem);
  letter-spacing: .35em;
  color: #888;
  text-shadow: 0 0 18px rgba(255,255,255,.15);
}
#power-brand span { color: var(--green); margin-left: .35em; }
#power-btn {
  width: 5.5rem; height: 5.5rem;
  border-radius: 50%;
  border: 2px solid #444;
  background: #101014;
  color: #b00;
  font-size: 2.2rem;
  cursor: pointer;
  transition: color .2s, box-shadow .2s, border-color .2s;
}
#power-btn:hover, #power-btn:focus-visible {
  color: #f33; border-color: #666;
  box-shadow: 0 0 26px rgba(255,40,40,.35);
}
#power-hint {
  color: #555; letter-spacing: .3em; text-transform: uppercase; font-size: .8rem;
}

/* ---------- tv chassis ---------- */
#tv {
  height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .6rem;
  padding: 1rem;
}
#screen {
  position: relative;
  width: min(100%, calc((100vh - 7rem) * 4 / 3));
  aspect-ratio: 4 / 3;
  background: #000;
  border-radius: 2.2% / 3%;
  overflow: hidden;
  box-shadow:
    0 0 0 10px #1b1b1f,
    0 0 0 12px #0c0c0e,
    0 14px 60px rgba(0,0,0,.8),
    inset 0 0 120px rgba(0,0,0,.55);
}
#screen video, #fx, #guide, #crt {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
#screen video { object-fit: contain; background: #000; visibility: hidden; }
#screen video.live { visibility: visible; }
#fx { pointer-events: none; display: none; }
#fx.on { display: block; }

/* ---------- CRT overlay ---------- */
#crt { pointer-events: none; z-index: 10; }
#crt::before {            /* scanlines + aperture tint */
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg,
      rgba(0,0,0,.22) 0px, rgba(0,0,0,.22) 1px,
      transparent 1px, transparent 3px);
  mix-blend-mode: multiply;
}
#crt::after {             /* vignette + glass glare */
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center,
      transparent 55%, rgba(0,0,0,.38) 100%),
    linear-gradient(115deg,
      rgba(255,255,255,.05) 0%, transparent 30%);
}
#crt { animation: flicker 4s infinite; }
@keyframes flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: .96; }
  94% { opacity: 1; }
  97% { opacity: .97; }
}

/* ---------- OSD ---------- */
#osd-ch {
  position: absolute; top: 4%; right: 5%;
  z-index: 11;
  font-size: clamp(1.6rem, 5vw, 3rem);
  font-weight: bold;
  color: var(--green);
  text-shadow: 0 0 6px rgba(51,255,102,.8), 2px 2px 0 rgba(0,60,20,.9);
  opacity: 0;
  transition: opacity .4s;
}
#osd-ch.show { opacity: 1; transition: none; }
#osd-vol {
  position: absolute; left: 8%; right: 8%; bottom: 7%;
  z-index: 11;
  height: 1.1rem;
  border: 2px solid var(--green);
  box-shadow: 0 0 8px rgba(51,255,102,.5);
}
#osd-vol-fill { height: 100%; background: var(--green); }

/* ---------- mini guide (G overlay) ---------- */
#mini-guide {
  position: absolute; left: 4%; right: 4%; bottom: 5%;
  z-index: 12;
  background: rgba(0,0,60,.88);
  border: 2px solid var(--guide-cyan);
  padding: .5rem .8rem;
  font-size: clamp(.65rem, 1.8vw, .95rem);
  color: var(--guide-cyan);
}
#mini-guide table { width: 100%; border-collapse: collapse; }
#mini-guide td { padding: .15rem .4rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#mini-guide td.ch { color: var(--guide-hdr); font-weight: bold; width: 3.5em; }
#mini-guide td.now { max-width: 0; width: 55%; }
#mini-guide td.next { max-width: 0; color: #9aa8ff; }
#mini-guide tr.cur td { background: rgba(127,247,255,.15); }

/* ---------- full guide channel ---------- */
#guide {
  z-index: 5;
  background: var(--guide-bg);
  color: var(--guide-cyan);
  overflow: hidden;
  font-size: clamp(.7rem, 2vw, 1.05rem);
}
#guide .g-head {
  height: 18%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4%;
  background: linear-gradient(180deg, #000060, #000030);
  border-bottom: 3px solid var(--guide-cyan);
}
#guide .g-logo { color: var(--guide-hdr); font-weight: bold; letter-spacing: .2em; font-size: 1.3em; }
#guide .g-clock { font-size: 1.6em; color: #fff; text-shadow: 0 0 8px rgba(127,247,255,.8); }
#guide .g-body { height: 82%; overflow: hidden; position: relative; }
#guide .g-scroll { position: absolute; width: 100%; }
#guide .g-row {
  display: grid;
  grid-template-columns: 5.5em 1fr 1fr;
  border-bottom: 1px solid #000060;
  min-height: 3.2em;
}
#guide .g-row > div {
  padding: .45em .6em;
  display: flex; flex-direction: column; justify-content: center;
  overflow: hidden;
}
#guide .g-ch { background: var(--guide-hdr); color: #000030; font-weight: bold; text-align: center; }
#guide .g-ch small { font-weight: normal; font-size: .75em; }
#guide .g-cell { background: var(--guide-row); border-left: 2px solid var(--guide-bg); }
#guide .g-cell .t { color: #fff; }
#guide .g-cell .h { color: var(--guide-hdr); font-size: .8em; }
#guide .g-timebar {
  display: grid; grid-template-columns: 5.5em 1fr 1fr;
  background: #000050; color: var(--guide-hdr);
  border-bottom: 2px solid var(--guide-cyan);
  min-height: 1.8em;
}
#guide .g-timebar div { padding: .2em .6em; }

/* ---------- remote + help ---------- */
#remote { display: flex; gap: .5rem; }
#remote button {
  font-family: inherit;
  font-size: .8rem;
  letter-spacing: .1em;
  padding: .5rem .9rem;
  background: #17171b;
  color: #aaa;
  border: 1px solid #333;
  border-radius: .4rem;
  cursor: pointer;
}
#remote button:hover { color: var(--green); border-color: #4a4; }
#help { color: #555; font-size: .72rem; letter-spacing: .05em; }

@media (max-width: 700px) {
  #help { display: none; }
  #tv { padding: .3rem; }
}