@import url("https://fonts.googleapis.com/css2?family=Silkscreen:wght@400;700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@100;300;400;500;700;800;900&display=swap");

/* ========================================
   CSS Variables
   ======================================== */
:root {
  /* Font Family */
  --ff-default: "Silkscreen", "M PLUS Rounded 1c", sans-serif;

  /* Colors */
  --color-background: #666666;
  --color-text-primary: #cccccc;
  --color-text-secondary: #888;
  --color-text-dark: #242424;
  --color-button-base: #f6f6f6;
  --color-device-base: #333333;
  --color-pattern-area-bg: #d9d9d9;
  --color-attention: #222222;
  --color-device-accent: #222222;
  --color-navigation-bg: #ccc;
  --color-button-group-selected: #aa099d;
  --color-randamize: #df2727;

  /* Info Area Colors */
  --color-selection-gold: #ffd700;
  --color-selection-shadow: rgba(255, 215, 0, 0.5);
  --color-log-bg: #000000;
  --color-log-text: #00ff00;

  /* Layout (responsive) */
  --pattern-area-size: 780px;
  --pattern-area-border: 20px;
  --content-left-col: 800px;
  --device-size: 300px;
  --info-right-col: 400px;
  --info-qr-col: 160px;
  --log-height: 580px;
  --qr-height: 160px;
  --header-footer-height: 60px;
  --params-offset: 75px;
  --content-offset: 85px;
  --explanation-min-height: 140px;

  /* Font sizes (responsive) */
  --fs-scroll-text: 32px;
  --fs-title: 32px;
  --fs-params: 14px;
  --fs-explanation-title: 24px;
  --fs-explanation-text: 16px;
  --fs-button: 24px;
  --fs-random-desc: 18px;
  --button-padding: 20px;
  --main-padding: 20px 40px;
  --content-gap: 12px;
  --area-gap: 20px;
}

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

/* ========================================
   Body
   ======================================== */
body {
  width: 100vw;
  height: 100vh;
  background-color: var(--color-background);
  /* 格子模様の背景 */
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.15) 1px,
      transparent 1px
    ), linear-gradient(90deg, rgba(255, 255, 255, 0.15) 1px, transparent 1px);
  background-size: 20px 20px;
  overflow: hidden;
  font-family: var(--ff-default);

  /* Grid: ヘッダー、メイン、フッター */
  display: grid;
  grid-template-rows: var(--header-footer-height) 1fr var(
      --header-footer-height
    );
}

/* ========================================
   Header (absolute)
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-footer-height);
  /*background-color: var(--color-navigation-bg);*/
  background-color: transparent;
  overflow: hidden;
  z-index: 1000;
}

.header__scroll-text {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  font-family: var(--ff-default);
  font-weight: 700;
  font-size: var(--fs-scroll-text);
  color: var(--color-text-primary);
  white-space: nowrap;
  animation: scroll-left 30s linear infinite;
}

@keyframes scroll-left {
  from {
    transform: translateX(0) translateY(-50%);
  }
  to {
    transform: translateX(-50%) translateY(-50%);
  }
}

/* ========================================
   Footer (absolute)
   ======================================== */
.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: var(--header-footer-height);
  /*background-color: var(--color-navigation-bg);*/
  background-color: transparent;
  overflow: hidden;
  z-index: 1000;
}

.footer__scroll-text {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: -50%;
  font-family: var(--ff-default);
  font-weight: 700;
  font-size: var(--fs-scroll-text);
  color: var(--color-text-primary);
  white-space: nowrap;
  animation: scroll-right 30s linear infinite;
}

@keyframes scroll-right {
  from {
    transform: translateX(0) translateY(-50%);
  }
  to {
    transform: translateX(50%) translateY(-50%);
  }
}

/* ========================================
   Main Area
   ======================================== */
.main-area {
  padding: var(--main-padding);
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: var(--area-gap);
  align-content: center;
}

/* ========================================
   Title
   ======================================== */
.title {
  font-family: var(--ff-default);
  font-weight: 700;
  font-size: var(--fs-title);
  color: var(--color-text-primary);
  text-transform: lowercase;
}

/* ========================================
   Params Area
   ======================================== */
.params-area {
  transform: translateY(var(--params-offset));
  z-index: 10;
}

.params-area__text {
  font-family: var(--ff-default);
  font-weight: 400;
  font-size: var(--fs-params);
  color: var(--color-text-secondary);
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.4;
}

/* ========================================
   Content (2カラム Grid)
   ======================================== */
.content {
  display: grid;
  grid-template-columns: var(--content-left-col) 1fr;
  gap: var(--content-gap);
  align-items: center;
  transform: translateY(var(--content-offset));
}

/* ========================================
   Pattern Area (左側)
   ======================================== */
.pattern-area {
  width: var(--pattern-area-size);
  height: var(--pattern-area-size);
  border: var(--pattern-area-border) solid var(--color-device-accent);
  border-radius: 40px;
  overflow: hidden;
  /* カメラレンズ風のスキューモーフィズム */
  /* 外側のドロップシャドウ（深さ） */
  animation: pulse-shadow 4s ease-in-out infinite;
}

.params-area:after {
  /*ソリッドな影を表現*/
  box-shadow: var(--color-pattern-area-bg) 0 0 20px 10px;
}

#pattern-canvas {
  width: 100%;
  height: 100%;
  border-radius: inherit;
}

/* ========================================
   Right Area (右側全体)
   ======================================== */
.right-area {
  display: grid;
  grid-template-rows: auto auto auto auto;
  gap: var(--area-gap);
  align-content: start;
  transform: translateY(20px) !important;
}

/* ========================================
   Explanation
   ======================================== */
.explanation {
  padding: 10px 20px;
  background-color: var(--color-pattern-area-bg);
  border: 8px solid var(--color-attention);
  min-height: var(--explanation-min-height);
  border-radius: 8px;
  animation: pulse-shadow 4s ease-in-out infinite;
}

@keyframes pulse-shadow {
  0% {
    box-shadow:
      0 8px 24px rgba(135, 112, 112, 0.6),
      0 4px 12px rgba(0, 0, 0, 0.4),
      inset 0 2px 8px rgba(0, 0, 0, 0.3),
      inset 0 -2px 8px rgba(0, 0, 0, 0.2),
      inset 0 1px 0 rgba(255, 255, 255, 0.4),
      inset 0 0 0 2px rgba(0, 0, 0, 0.15);
  }
  50% {
    box-shadow:
      0 8px 24px rgba(135, 112, 112, 0.9),
      0 4px 12px rgba(0, 0, 0, 0.7),
      inset 0 2px 8px rgba(0, 0, 0, 0.5),
      inset 0 -2px 8px rgba(0, 0, 0, 0.4),
      inset 0 1px 0 rgba(255, 255, 255, 0.6),
      inset 0 0 0 2px rgba(0, 0, 0, 0.25);
  }
  100% {
    box-shadow:
      0 8px 24px rgba(135, 112, 112, 0.6),
      0 4px 12px rgba(0, 0, 0, 0.4),
      inset 0 2px 8px rgba(0, 0, 0, 0.3),
      inset 0 -2px 8px rgba(0, 0, 0, 0.2),
      inset 0 1px 0 rgba(255, 255, 255, 0.4),
      inset 0 0 0 2px rgba(0, 0, 0, 0.15);
  }
}

.explanation:after {
  box-shadow: var(--color-pattern-area-bg) 0 0 20px 10px;
}

.explanation__title {
  font-family: var(--ff-default);
  font-weight: 700;
  font-size: var(--fs-explanation-title);
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.explanation__text {
  font-family: var(--ff-default);
  font-weight: 400;
  font-size: var(--fs-explanation-text);
  color: var(--color-text-dark);
  line-height: 1.5;
}

/* ========================================
   Device Area (2カラム Grid)
   ======================================== */
.device-area {
  display: flex;
  justify-content: flex-start;
  gap: var(--area-gap);
}

.device-64,
.device-twister {
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-64__inner,
.device-twister__inner {
  position: relative;
  width: var(--device-size);
  height: var(--device-size);
  aspect-ratio: 1 / 1;
  background-color: var(--color-device-base);
  border: 4px solid var(--color-text-primary);
  border-radius: 28px;
  overflow: hidden;
  animation: pulse-shadow 4s ease-in-out infinite;
}

.device-64__inner:after,
.device-twister__inner:after {
  box-shadow: var(--color-pattern-area-bg) 0 0 20px 10px;
}

/* ========================================
   Button Group
   ======================================== */
.button-group {
  gap: var(--area-gap);
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
}

.button {
  padding: var(--button-padding);
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    var(--color-button-base) 20%,
    #e8e8e8 100%
  );
  border: none;
  border-radius: 12px;
  font-family: var(--ff-default);
  font-weight: 700;
  font-size: var(--fs-button);
  color: var(--color-text-dark);
  text-align: center;
  cursor: pointer;
  transition: all 0.1s ease;
  user-select: none;
  position: relative;
  /* メカニカルキーキャップの立体感 */
  /* 上部ハイライト */
  box-shadow:
    inset 0 2px 4px rgba(255, 255, 255, 0.9),
    /* 下部のシャドウ（複数レイヤー） */
    0 6px 0 #c0c0c0,
    0 8px 0 #a0a0a0,
    0 10px 0 #808080,
    /* 外側のドロップシャドウ */
    0 12px 20px rgba(0, 0, 0, 0.4);
}

.button:hover {
  background: linear-gradient(180deg, #f0f0f0 0%, #e0e0e0 20%, #d0d0d0 100%);
  box-shadow:
    inset 0 2px 4px rgba(255, 255, 255, 0.8),
    0 6px 0 #b0b0b0,
    0 8px 0 #909090,
    0 10px 0 #707070,
    0 12px 20px rgba(0, 0, 0, 0.5);
}

.button:active {
  background: linear-gradient(180deg, #f0f0f0 0%, #e0e0e0 20%, #d0d0d0 100%);
  /* 押下時は下に移動 */
  transform: translateY(6px);
  /* 影が減って押し込まれた感じに */
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.6), 0 2px 0 #c0c0c0, 0 3px 0
    #a0a0a0, 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* ボタン選択状態 */
.button--selected {
  background: linear-gradient(180deg, #f0f0f0 0%, #e0e0e0 20%, #d0d0d0 100%);
  outline: 4px solid var(--color-button-group-selected);
  outline-offset: -4px;
}

/* ボタン押下状態（MIDI経由） */
.button--pressed {
  background: linear-gradient(180deg, #f0f0f0 0%, #e0e0e0 20%, #d0d0d0 100%);
  transform: translateY(6px);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.6), 0 2px 0 #c0c0c0, 0 3px 0
    #a0a0a0, 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Fullscreen
   ======================================== */
/* フルスクリーン状態 */
.pattern-area.fullscreen {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 9999 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  border-radius: 0 !important;
}

/* フルスクリーン中は .content の transform を無効化 */
body.fullscreen-active .content {
  transform: none !important;
}

/* フルスクリーン中は他の要素を非表示 */
body.fullscreen-active .header,
body.fullscreen-active .footer,
body.fullscreen-active .right-area,
body.fullscreen-active .params-area,
body.fullscreen-active .title {
  display: none !important;
}

/* ========================================
   その他情報
   ======================================== */

.info-area {
  display: grid;
  grid-template-columns: var(--info-qr-col) 1fr;
  gap: var(--area-gap);
}

.qr-display-area {
  background-color: var(--color-pattern-area-bg);
  border: 8px solid var(--color-attention);
  border-radius: 8px;
  animation: pulse-shadow 4s ease-in-out infinite;
  height: var(--qr-height);
}

/* log-display-area の個別スタイル */
.log-display-area {
  background-color: var(--color-log-bg) !important; /* 黒背景 */
  color: var(--color-log-text); /* 緑文字 */
  font-family: var(--ff-default);
  font-size: 10px;
  padding: 8px;
  overflow-y: auto; /* スクロール可能 */
  overflow-x: hidden;
  line-height: 1.4;
  height: var(--log-height);
  border: 8px solid var(--color-attention);
  border-radius: 8px;
  animation: pulse-shadow 4s ease-in-out infinite;
  /* Y方向スクロールバー非表示 */
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
}

/* Chrome/Safari/Opera用のスクロールバー非表示 */
.log-display-area::-webkit-scrollbar {
  display: none;
}

/* ログエントリのスタイル */
.log-entry {
  margin-bottom: 2px;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* qr-display-area の個別スタイル */
.qr-display-area {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}

/* 選択時のゴールド枠線 */
.info-area-selected {
  border-color: var(--color-selection-gold) !important; /* ゴールド */
  box-shadow: 0 0 10px var(--color-selection-shadow);
}

/* ========================================
   info group
   ======================================== */
.info-group-area {
  display: grid;
  grid-template-columns: 1fr var(--info-right-col);
  gap: var(--area-gap);
}

.info-group-left {
  display: grid;
  grid-template-rows: 1fr;
  gap: var(--area-gap);
}

/* =======================================
   icon
   ======================================== */
.icon-display {
  display: grid;
  grid-template-columns: 1fr;
}

.icon-display > div {
  display: flex;
  justify-content: center;
  align-items: center;
}

.icon-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.icon-auto-area img,
#icon-move-area img {
  width: 90%;
  height: auto;
}

#auto-icon {
  opacity: 0;
}

#auto-icon.auto-on {
  opacity: 1;
  animation: glow-auto-pulse 4s ease infinite;
}

/* ランダムON時の呼吸する発光効果 */
@keyframes glow-auto-pulse {
  0%,
  100% {
    filter: drop-shadow(0 0 8px rgba(50, 131, 249, 0.3)) brightness(1.1);
  }
  50% {
    filter: drop-shadow(0 0 15px rgba(50, 131, 249, 0.4))
      drop-shadow(0 0 20px rgba(50, 131, 249, 0.1)) brightness(1.3);
  }
}

#move-icon {
  opacity: 0;
}

#move-icon.move-on {
  opacity: 1;
  animation: glow-move-pulse 4s ease infinite;
}

/* ムーブON時の呼吸する発光効果 */
@keyframes glow-move-pulse {
  0%,
  100% {
    filter: drop-shadow(0 0 8px rgba(50, 249, 131, 0.3)) brightness(1.1);
  }
  50% {
    filter: drop-shadow(0 0 15px rgba(50, 249, 131, 0.4))
      drop-shadow(0 0 20px rgba(50, 249, 131, 0.1)) brightness(1.3);
  }
}

.random-description-area {
  font-family: var(--ff-default);
  font-weight: 900;
  font-size: var(--fs-random-desc);
  color: var(--color-randamize);
  background-color: var(--color-device-base);
  border-radius: 50px;
  animation: pulse-shadow 4s ease-in-out infinite;
}

.random-description-area {
  opacity: 0;
}

@keyframes glow-random-pulse {
  0%,
  100% {
    filter: drop-shadow(0 0 8px rgba(249, 50, 50, 0.3)) brightness(1.1);
  }
  50% {
    filter: drop-shadow(0 0 15px rgba(249, 50, 50, 0.4))
      drop-shadow(0 0 20px rgba(249, 50, 50, 0.1)) brightness(1.3);
  }
}

.random-description-area.random-on {
  opacity: 1;
  animation: glow-random-pulse 4s ease infinite;
}

/* ========================================
   Responsive: 1440px〜1919px
   ======================================== */
@media screen and (max-width: 1919px) {
  :root {
    --pattern-area-size: 600px;
    --pattern-area-border: 16px;
    --content-left-col: 632px;
    --device-size: 240px;
    --info-right-col: 300px;
    --log-height: 400px;
    --explanation-min-height: 120px;
    --params-offset: 60px;
    --content-offset: 70px;

    --fs-scroll-text: 26px;
    --fs-title: 28px;
    --fs-explanation-title: 20px;
    --fs-explanation-text: 14px;
    --fs-button: 20px;
    --fs-random-desc: 16px;
    --button-padding: 16px;
    --main-padding: 16px 32px;
    --content-gap: 10px;
    --area-gap: 16px;
  }
}

/* ========================================
   Responsive: 1024px〜1439px
   ======================================== */
@media screen and (max-width: 1439px) {
  :root {
    --pattern-area-size: 460px;
    --pattern-area-border: 12px;
    --content-left-col: 484px;
    --device-size: 180px;
    --info-right-col: 240px;
    --info-qr-col: 120px;
    --log-height: 300px;
    --qr-height: 120px;
    --explanation-min-height: 100px;
    --params-offset: 50px;
    --content-offset: 55px;

    --fs-scroll-text: 22px;
    --fs-title: 24px;
    --fs-params: 12px;
    --fs-explanation-title: 18px;
    --fs-explanation-text: 12px;
    --fs-button: 16px;
    --fs-random-desc: 14px;
    --button-padding: 12px;
    --main-padding: 12px 24px;
    --content-gap: 8px;
    --area-gap: 12px;
  }
}

/* ========================================
   Responsive: 〜1023px（スマホ・タブレット）
   ======================================== */
@media screen and (max-width: 1023px) {
  :root {
    --pattern-area-border: 8px;
    --device-size: calc((100vw - 56px) / 2);
    --info-qr-col: 80px;
    --log-height: 200px;
    --qr-height: 80px;
    --header-footer-height: 36px;
    --params-offset: 0px;
    --content-offset: 0px;
    --explanation-min-height: auto;

    --fs-scroll-text: 14px;
    --fs-title: 18px;
    --fs-params: 12px;
    --fs-explanation-title: 14px;
    --fs-explanation-text: 12px;
    --fs-button: 12px;
    --fs-random-desc: 12px;
    --button-padding: 8px;
    --main-padding: 8px;
    --content-gap: 8px;
    --area-gap: 8px;
  }

  /* スクロール可能なボディ（iOS Safari対応含む） */
  body {
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    height: auto;
    min-height: 100vh;
    grid-template-rows: var(--header-footer-height) auto var(
        --header-footer-height
      );
  }

  .main-area {
    align-content: start;
    overflow: hidden;
  }

  /* 1カラムレイアウト（変数ではなく直接指定で上書き） */
  .content {
    display: grid;
    grid-template-columns: 1fr;
    transform: none;
    max-width: 100%;
  }

  /* パターンエリア: 画面幅いっぱい */
  .pattern-area {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    border-radius: 16px;
  }

  /* 右側エリア */
  .right-area {
    transform: none !important;
    max-width: 100%;
    overflow: hidden;
  }

  /* params-area の transform リセット */
  .params-area {
    transform: none;
    overflow: hidden;
  }

  /* info-group を1カラム */
  .info-group-area {
    display: grid;
    grid-template-columns: 1fr;
  }

  /* デバイスエリア: 中央寄せ・折り返し */
  .device-area {
    justify-content: center;
    flex-wrap: wrap;
  }

  .device-64__inner,
  .device-twister__inner {
    border-radius: 16px;
  }

  /* FULLSCREENボタン非表示 */
  .button--fullscreen {
    display: none;
  }

  /* ボタングループ: 縦並びに変更 */
  .button-group {
    grid-auto-flow: row;
  }

  .button {
    border-radius: 8px;
  }

  /* info-area: QR + アイコンの2カラム維持 */
  .info-area {
    grid-template-columns: var(--info-qr-col) 1fr;
  }

  /* 説明エリア */
  .explanation {
    padding: 8px 12px;
    border-width: 4px;
    border-radius: 6px;
  }

  /* ランダム説明テキストのはみ出し防止 */
  .random-description-area {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

#normal-ui {
  display: none;
}

/* ========================================
   Display Only Mode (ver3 style)
   ======================================== */
#display-only-ui {
  display: none;
}

.display-only-ui {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000;
  z-index: 10000;
}

/* アプリタイトル表示 */
.app-title-only {
  position: absolute;
  top: 0;
  right: 0;
  padding: 5px;
  background-color: #000;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  z-index: 1000;
  text-align: center;
  width: 100%;
  font-family: var(--ff-default);
  height: 24px;

  display: flex;
  justify-content: center;
  align-items: center;
}

.app-title-only > a {
  color: white;
  text-decoration: none;
  transition: all 0.5s ease;
  display: block;
}

.app-title-only > a:hover {
  color: gray;
}

@media screen and (max-width: 768px) {
  .app-title-only {
    font-size: 12px;
  }
}

/* キャンバスエリア（フルスクリーン） */
#pattern-canvas-only {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* バージョン表示 */
.version-num-area-only {
  position: absolute;
  top: 24px;
  right: 0;
  padding: 5px;
  background-color: #000;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  z-index: 1000;
  text-align: center;
  width: 100%;
  font-family: var(--ff-default);
  height: 18px;

  display: flex;
  justify-content: center;
  align-items: center;
}

@media screen and (max-width: 768px) {
  .version-num-area-only {
    font-size: 6px;
  }
}

/* 機能ボタン */
.functions-area-only {
  position: absolute;
  top: 40px;
  left: 0;
  padding: 5px;
  background-color: black;
  color: white;
  font-size: 16px;
  font-weight: bold;
  z-index: 1000;
  text-align: center;
  width: 100%;
  font-family: var(--ff-default);
  padding: 6px 0 8px 0;

  display: flex;
  justify-content: center;
  align-items: center;
}

.functions-button-only {
  cursor: pointer;
  transition: color 0.5s ease;
  display: block;
  padding: 8px 0;
  max-width: 300px;
  width: 50%;
  transition: all 1s ease;
  font-family: var(--ff-default);
  font-size: 14px;
}

.functions-button-only:hover {
  color: black;
  background-color: gray;
}