@import url('https://fonts.googleapis.com/css2?family=Silkscreen:wght@400;700&display=swap');

:root {
  --overlay-bg: rgba(0, 0, 0, 0.55);
  --text-primary: rgba(255, 255, 255, 0.92);
  --text-secondary: rgba(255, 255, 255, 0.55);
  --text-dim: rgba(255, 255, 255, 0.25);
  --accent: rgba(255, 90, 60, 0.9);

  /* レイアウト */
  --edge-x: clamp(20px, 3.5vw, 50px);
  --edge-y: clamp(16px, 2.5vh, 40px);
  --globe-size: clamp(120px, 18vw, 225px);
  --shift-x: 0px;
  --shift-y: 0px;

  /* Clock */
  --clock-top: clamp(16px, 2.5vh, 30px);
  --clock-font-time: clamp(28px, 4.5vw, 56px);
  --clock-font-date: clamp(13px, 1.8vw, 22px);
  --clock-padding-x: clamp(10px, 1.5vw, 20px);
  --clock-padding-y: clamp(8px, 1.2vw, 16px);

  /* Weather */
  --weather-font: clamp(11px, 1.5vw, 18px);
  --weather-location-font: clamp(9px, 1.1vw, 13px);

  /* Info */
  --info-font-title: clamp(14px, 1.8vw, 22px);
  --info-font-channel: clamp(10px, 1.1vw, 13px);

  /* Live badge */
  --badge-top: clamp(20px, 3vh, 38px);
  --badge-font: clamp(11px, 1.3vw, 16px);

  /* Camera time */
  --ct-font-clock: clamp(16px, 2.2vw, 28px);
  --ct-font-diff: clamp(9px, 1.1vw, 13px);

  /* Globe label */
  --globe-label-font: clamp(11px, 1.6vw, 20px);

  /* Controls */
  --ctrl-btn-size: clamp(32px, 3.5vw, 42px);
  --ctrl-btn-font: clamp(12px, 1.3vw, 16px);
  --ctrl-right: clamp(16px, 2.5vw, 30px);

  /* Progress */
  --progress-height: clamp(2px, 0.35vh, 4px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: #000;
  font-family: 'Silkscreen', cursive;
  color: var(--text-primary);
  cursor: none;
  user-select: none;
}

/* --- Video frame & layer --- */
/* .video-frame: 中央16:9のクリップ枠。SVGフィルタのはみ出しはここでクリップする。
   .video-layer: フレーム内に inset:0 で配置、フィルタ自体はこの要素に当てる。 */
.video-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(100vw, calc(100vh * 16 / 9));
  height: min(100vh, calc(100vw * 9 / 16));
  transform: translate(-50%, -50%);
  z-index: 1;
  overflow: hidden;
}
.video-layer {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}
/* visibility:hidden を使う：iframeをレンダリング状態に保ったまま不可視化
   → display:noneによるYouTube playerの隠れ抑制を回避 */
.video-layer.hidden { visibility: hidden; }
.video-layer.visible { visibility: visible; }
.video-layer iframe {
  width: 100%; height: 100%;
  border: none;
  pointer-events: none;
}

/* --- Glitch effect (SVG filter: noise displacement + RGB shift, shadertoy XtK3W3 inspired) --- */
.video-layer.glitch {
  filter: url(#video-glitch-filter);
  will-change: filter;
}

/* --- TV Noise overlay --- */
/* 動画の16:9枠内に収まるよう中央寄せ。ビューポートが16:9より広いときは左右、
   高いときは上下に黒帯が残る（動画の letterbox/pillarbox と一致）。 */
.noise-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(100vw, calc(100vh * 16 / 9));
  height: min(100vh, calc(100vw * 9 / 16));
  transform: translate(-50%, -50%);
  z-index: 3;
  opacity: 0;
  pointer-events: none;
  /* キャンバスがレイアウト外に染み出ないよう保険 */
  overflow: hidden;
}
.noise-overlay.active {
  opacity: 1;
}
.noise-overlay canvas {
  width: 100%; height: 100%;
}

/* --- Vignette overlay --- */
.vignette {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.4) 100%),
    linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 20%),
    linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, transparent 10%);
}

/* --- Info Overlay --- */
.info-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: calc(var(--edge-y) + var(--shift-y)) calc(var(--edge-x) + var(--shift-x));
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.info-overlay.show {
  opacity: 1;
  transform: translateY(0);
}

.info-channel {
  font-size: var(--info-font-channel);
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.info-title {
  font-size: var(--info-font-title);
  font-weight: 300;
  line-height: 1.4;
  color: var(--text-primary);
  max-width: clamp(300px, 50vw, 700px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
  display: block;
}
.info-title:hover { text-decoration: underline; }

/* --- Top-right Clock --- */
.clock-overlay {
  position: absolute;
  top: calc(var(--clock-top) + var(--shift-y));
  right: calc(var(--edge-x) + var(--shift-x));
  z-index: 10;
  text-align: right;
  opacity: 0;
  transition: opacity 0.8s ease;
  background: var(--overlay-bg);
  padding: var(--clock-padding-y) var(--clock-padding-x);
  border-radius: 8px;
  backdrop-filter: blur(6px);
}
.clock-overlay.show { opacity: 1; }

.clock-time {
  font-size: var(--clock-font-time);
  font-weight: 200;
  letter-spacing: clamp(2px, 0.3vw, 4px);
  color: var(--text-primary);
  line-height: 1;
}
.clock-date {
  font-size: var(--clock-font-date);
  font-weight: 300;
  letter-spacing: clamp(2px, 0.3vw, 4px);
  color: var(--text-secondary);
  margin-top: 4px;
}

/* --- Weather location name --- */
.weather-location {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-dim);
  font-size: var(--weather-location-font);
  font-weight: 300;
  letter-spacing: 3px;
  text-align: right;
  text-transform: uppercase;
}

/* --- Weather (below clock) --- */
/* Grid layout: 4列がそれぞれ全行の最大幅に自動フィット。Silkscreenの不揃いな
   字幅も絵文字幅差も「列単位の最大値」で吸収されるので、ピクセル揃え + 無駄余白なし。
   .weather-day を display:contents にして、各<span>を直接grid cellとして参加させる。 */
.weather-section {
  margin-top: 6px;
  display: grid;
  grid-template-columns: auto auto auto auto;
  row-gap: 4px;
  column-gap: clamp(6px, 1vw, 12px);
  justify-content: end;
  font-size: var(--weather-font);
  font-weight: 300;
  letter-spacing: 1px;
}

.weather-day {
  display: contents;
}

.weather-label {
  color: var(--text-dim);
  letter-spacing: 3px;
  text-align: right;
}

/* Silkscreenは「1」が他数字より狭い等、純粋な等幅じゃない。各文字を 1ch
   (= '0' の advance width) の固定幅boxに入れて、列単位での揃いを保証する。 */
.weather-label .ch,
.weather-temp .ch,
.weather-precip .ch {
  display: inline-block;
  width: 1ch;
  text-align: center;
}

/* 絵文字種別（U+2600帯 vs U+1F300+帯）でグリフ幅が変わるので幅を完全固定 + center寄せ。
   min-width:0 と overflow:hidden は flex item デフォルトの min-content を抑える保険。 */
.weather-icon {
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6em;
  min-width: 0;
  overflow: hidden;
  letter-spacing: 0;
}

.weather-temp {
  color: var(--text-secondary);
  font-weight: 200;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.weather-precip {
  color: var(--text-secondary);
  text-align: right;
}

/* --- Globe --- */
.globe-container {
  position: absolute;
  bottom: calc(var(--edge-y) + var(--shift-y));
  right: calc(var(--edge-x) + var(--shift-x));
  z-index: 12;
  width: var(--globe-size);
  height: var(--globe-size);
  opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
}
.globe-container.show { opacity: 0.95; }
.globe-label {
  position: absolute;
  width: max-content;
  text-align: center;
  transform: translate(-50%, -50%);
  font-size: var(--globe-label-font);
  font-weight: 600;
  color: #fff;
  background: rgba(51, 102, 255, 0.9);
  padding: 1px 6px;
  border-radius: 3px;
  letter-spacing: 0;
  white-space: pre-line;
  line-height: 1.2;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.globe-label.show { opacity: 1; }
.globe-container canvas {
  width: 100%;
  height: 100%;
  filter: invert(1);
}

.camera-time {
  position: absolute;
  bottom: calc(var(--globe-size) + var(--edge-y) + 10px);
  right: calc(var(--edge-x) + var(--shift-x));
  z-index: 12;
  text-align: right;
  opacity: 0;
  transition: opacity 1.2s ease, bottom 0.4s ease;
  pointer-events: none;
}
.camera-time.show { opacity: 1; }
.camera-time-clock {
  font-size: var(--ct-font-clock); font-weight: 200;
  letter-spacing: 2px; color: var(--text-primary); line-height: 1;
}
.camera-time-diff {
  font-size: var(--ct-font-diff); font-weight: 300;
  letter-spacing: 2px; color: var(--text-secondary); margin-top: 2px;
}

/* --- Live indicator --- */
.live-badge {
  position: absolute;
  top: calc(var(--badge-top) + var(--shift-y));
  left: calc(var(--edge-x) + var(--shift-x));
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.live-badge.show { opacity: 1; }

.live-dot {
  width: clamp(6px, 0.8vw, 10px); height: clamp(6px, 0.8vw, 10px);
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.live-text {
  font-size: var(--badge-font);
  font-weight: 400;
  letter-spacing: clamp(3px, 0.4vw, 5px);
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* --- Progress bar (time until next switch) --- */
.progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: var(--progress-height);
  background: var(--accent);
  z-index: 15;
  transition: width 1s linear;
  opacity: 0.6;
}

/* --- Controls (right edge, vertically centered) --- */
.controls {
  position: absolute;
  top: 50%;
  right: var(--ctrl-right);
  transform: translateY(-50%) translateX(4px);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1vw, 12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
body.mouse-active .controls {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%);
}
body.mouse-active { cursor: default; }

.ctrl-btn {
  width: var(--ctrl-btn-size); height: var(--ctrl-btn-size);
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  background: var(--overlay-bg);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  font-size: var(--ctrl-btn-font);
}
.ctrl-btn:hover {
  border-color: rgba(255,255,255,0.5);
  color: var(--text-primary);
  background: rgba(255,255,255,0.1);
}
a.ctrl-btn { text-decoration: none; }

/* --- Loading state --- */
.loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: opacity 0.3s ease;
}
.loading-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

.loading-text {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: #fff;
  background: rgba(0, 0, 0, 0.6);
  padding: 10px 24px;
  border-radius: 4px;
  text-align: center;
  animation: breathe 2s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* --- Noise期間中のオーバーレイ非表示 ---
   オーバーレイ自身のopacity/transform transitionを使ってフェードout/in。
   初回表示と同じ挙動: info-overlayだけ translateY(8px) で下にスライド。 */
.noise-hidden {
  opacity: 0 !important;
}
.info-overlay.noise-hidden {
  transform: translateY(8px) !important;
}

/* --- Error --- */
.error-overlay {
  position: absolute;
  inset: 0;
  z-index: 25;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.85);
}
.error-overlay.show {
  display: flex;
}
.error-msg {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-secondary);
  letter-spacing: 2px;
}

/* --- Responsive (width) --- */
@media (min-width: 501px) and (max-width: 768px) {
  .weather-section .weather-day:nth-child(n+3) { display: none; }
}
@media (max-width: 500px) {
  .weather-section .weather-day:nth-child(n+4) { display: none; }
}
@media (max-width: 500px) and (max-height: 500px) {
  .weather-location { display: none; }
}
/* --- Responsive (height) --- */
@media (max-height: 700px) {
  .weather-section .weather-day:nth-child(n+3) { display: none; }
}
@media (max-height: 500px) {
  .weather-section { display: none; }
  .weather-location { display: none; }
  .clock-time { font-size: clamp(16px, 3.5vw, 24px); }
  .clock-date { font-size: clamp(9px, 1.3vw, 12px); }
}