:root {
  --osd-green: #3f6;
  --osd-shadow: 0 0 8px rgba(51, 255, 102, 0.7), 2px 2px 0 rgba(0, 0, 0, 0.9);
  --osd-font: 'VT323', 'Courier New', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #000;
  overflow: hidden;
  font-family: var(--osd-font);
}

.hidden { display: none !important; }

#tv {
  position: fixed;
  inset: 0;
  background: #000;
  cursor: default;
}
#tv.idle { cursor: none; }

#player {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

#static {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: none;
}
#static.on { display: block; }

#scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.08) 3px
  );
}

/* ---- power screen ---- */
#power-screen {
  position: absolute;
  inset: 0;
  background: #050505;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  z-index: 50;
}
#power-btn {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 3px solid #333;
  background: #111;
  color: #c00;
  font-size: 48px;
  cursor: pointer;
  transition: all 0.2s;
}
#power-btn:hover {
  color: var(--osd-green);
  border-color: var(--osd-green);
  box-shadow: 0 0 30px rgba(51, 255, 102, 0.35);
}
.power-hint {
  color: #444;
  font-family: var(--osd-font);
  font-size: 22px;
  letter-spacing: 6px;
}

/* ---- OSD ---- */
#osd-channel {
  position: absolute;
  top: 4vh;
  right: 4vw;
  font-family: var(--osd-font);
  font-size: clamp(40px, 7vw, 90px);
  color: var(--osd-green);
  text-shadow: var(--osd-shadow);
  z-index: 20;
  opacity: 0;
  transition: opacity 0.4s;
  text-align: right;
  line-height: 0.9;
}
#osd-channel.show { opacity: 1; }
#osd-channel .ch-label {
  display: block;
  font-size: 0.32em;
  letter-spacing: 2px;
}

#osd-digits {
  position: absolute;
  top: 4vh;
  left: 4vw;
  font-family: var(--osd-font);
  font-size: clamp(40px, 7vw, 90px);
  color: var(--osd-green);
  text-shadow: var(--osd-shadow);
  z-index: 20;
}

#osd-banner {
  position: absolute;
  left: 3vw;
  right: 3vw;
  bottom: 4vh;
  background: rgba(0, 10, 4, 0.82);
  border: 2px solid rgba(51, 255, 102, 0.5);
  border-radius: 6px;
  padding: 14px 20px;
  font-family: var(--osd-font);
  color: var(--osd-green);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.8);
  z-index: 20;
}
.banner-row1, .banner-row2 {
  display: flex;
  justify-content: space-between;
  font-size: clamp(16px, 2.4vw, 26px);
  opacity: 0.9;
}
#banner-title {
  font-size: clamp(22px, 3.6vw, 42px);
  margin: 2px 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #dfffe9;
}
.banner-progress {
  height: 8px;
  background: rgba(51, 255, 102, 0.15);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 6px;
}
#banner-progress-fill {
  height: 100%;
  width: 0;
  background: var(--osd-green);
}
#banner-next {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-left: 20px;
}

#osd-message {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 8vw;
  font-family: var(--osd-font);
  font-size: clamp(26px, 5vw, 60px);
  color: var(--osd-green);
  text-shadow: var(--osd-shadow);
  z-index: 30;
  white-space: pre-line;
}

/* ---- guide ---- */
#guide {
  position: absolute;
  inset: 5vh 5vw;
  background: rgba(0, 8, 20, 0.92);
  border: 2px solid rgba(51, 255, 102, 0.5);
  border-radius: 8px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  font-family: var(--osd-font);
  color: var(--osd-green);
  overflow: hidden;
}
.guide-header {
  display: flex;
  justify-content: space-between;
  padding: 12px 24px;
  font-size: clamp(20px, 3vw, 34px);
  letter-spacing: 3px;
  border-bottom: 1px solid rgba(51, 255, 102, 0.3);
  background: rgba(51, 255, 102, 0.08);
}
#guide-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}
.guide-row {
  display: grid;
  grid-template-columns: 70px 160px 1fr 220px;
  gap: 14px;
  align-items: center;
  padding: 10px 24px;
  font-size: clamp(15px, 2.2vw, 24px);
  cursor: pointer;
  border-bottom: 1px dotted rgba(51, 255, 102, 0.15);
}
.guide-row:hover, .guide-row.selected {
  background: rgba(51, 255, 102, 0.14);
}
.guide-row.current .g-num { color: #ff6; }
.g-num { font-size: 1.3em; }
.g-name { letter-spacing: 1px; }
.g-now { color: #dfffe9; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.g-now .g-progress {
  display: block;
  height: 5px;
  margin-top: 4px;
  background: rgba(51, 255, 102, 0.15);
  border-radius: 3px;
  overflow: hidden;
}
.g-progress i {
  display: block;
  height: 100%;
  background: var(--osd-green);
}
.g-next { opacity: 0.7; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.guide-footer {
  padding: 8px 24px;
  font-size: clamp(13px, 1.8vw, 18px);
  opacity: 0.55;
  border-top: 1px solid rgba(51, 255, 102, 0.3);
  letter-spacing: 2px;
}

/* ---- remote ---- */
#remote {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 45;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
#tv:not(.idle) #remote {
  opacity: 1;
  pointer-events: auto;
}
#remote button {
  font-family: var(--osd-font);
  font-size: 16px;
  padding: 7px 12px;
  min-width: 74px;
  background: rgba(0, 0, 0, 0.65);
  color: var(--osd-green);
  border: 1px solid rgba(51, 255, 102, 0.45);
  border-radius: 4px;
  cursor: pointer;
}
#remote button:hover { background: rgba(51, 255, 102, 0.2); }

/* ---- settings ---- */
#settings {
  position: fixed;
  inset: 0;
  background: #04080c;
  z-index: 100;
  overflow-y: auto;
  font-family: var(--osd-font);
  color: var(--osd-green);
}
.settings-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}
#settings h1 {
  font-size: 38px;
  letter-spacing: 4px;
  margin: 0 0 24px;
}
#settings h2 {
  font-size: 26px;
  letter-spacing: 3px;
  margin: 32px 0 12px;
  border-bottom: 1px solid rgba(51, 255, 102, 0.3);
  padding-bottom: 6px;
}
.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: 20px; margin-bottom: 6px; }
.field em { font-size: 0.75em; opacity: 0.6; font-style: normal; }

#settings input, #settings select, #settings textarea {
  font-family: var(--osd-font);
  font-size: 18px;
  background: #0a1410;
  color: #dfffe9;
  border: 1px solid rgba(51, 255, 102, 0.4);
  border-radius: 4px;
  padding: 8px 10px;
  width: 100%;
}
#settings textarea { resize: vertical; }

.channel-row {
  display: grid;
  grid-template-columns: 80px 1fr 170px 150px 44px;
  gap: 8px;
  margin-bottom: 14px;
  padding: 12px;
  border: 1px solid rgba(51, 255, 102, 0.25);
  border-radius: 6px;
  background: rgba(51, 255, 102, 0.04);
}
.channel-row .ch-source { grid-column: 1 / -1; }

.btn {
  font-family: var(--osd-font);
  font-size: 18px;
  letter-spacing: 1px;
  padding: 10px 18px;
  background: #0a1410;
  color: var(--osd-green);
  border: 1px solid rgba(51, 255, 102, 0.5);
  border-radius: 4px;
  cursor: pointer;
}
.btn:hover { background: rgba(51, 255, 102, 0.18); }
.btn-primary {
  background: rgba(51, 255, 102, 0.25);
  font-size: 22px;
}
.btn-danger { color: #f66; border-color: rgba(255, 102, 102, 0.5); }
.btn-danger:hover { background: rgba(255, 102, 102, 0.15); }

.settings-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.settings-note {
  margin-top: 20px;
  font-size: 16px;
  opacity: 0.6;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .channel-row { grid-template-columns: 70px 1fr 1fr 44px; }
  .channel-row .ch-name { grid-column: 2 / 4; }
  .channel-row .ch-type { grid-column: 1 / 3; }
  .channel-row .ch-order { grid-column: 3 / 5; }
  .guide-row { grid-template-columns: 50px 90px 1fr; }
  .g-next { display: none; }
}