*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;  /* 推薦加上，避免寬高計算誤差 */
  border: 0; 
  outline: 0;
  overflow: hidden;  /* 需要的自己額外開啟 */
  text-align: center;  /* left / center / right / justify */
  user-select: none; /* 全部禁止選取 */
}
.doselect {
  user-select: text; /* 這個元素可以選文字 */
}

iframe.skiptranslate, #goog-gt-tt {
    pointer-events: none !important;
    display: none !important;
    /* visibility: hidden !important; */
}

body { font-size: clamp(14px, 2.20vw, 18px); }
h1, h2, h3, h4, h5, h6 { font-size: clamp(14px, 2.20vw, 18px); }
html, body { 
  display: flex;
  flex-direction: column;
  font-family: system-ui, Arial, sans-serif;
  /* font-size: 5vw; */
  /* background-color: #000000; */
}

input, textarea, button, select {
  /*font-size: inherit; /* 主動繼承 body 字體大小 */
  font-size: 18px;
}


dialog::backdrop {
  background: rgba(0, 0, 0, 0.6); /* 半透明背景 */
}
dialog {
  background-color: white;
  color: black;
  
  position: fixed;  /* absolute 或 fixed 或 relative */
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  /*display: flex; */
  padding: 1rem;
  border: none;
  border-radius: 8px;
  
  min-width: 90vw;
  max-width: 90vw;  /* 不要太寬 */
  width: 90vw;
  min-height: 10vh;
  max-height: 80vh;  /* 不要太高 */
}
dialog > * {
  /* position: relative; */  /* absolute 或 fixed 或 relative */
  /*display: block; */
  /*margin-left: auto; */
  /*margin-right: auto; */
  /*text-align: center;  文字置中 */
}

.emoji::before { color: gold; content: "👻"; /* 在文字前加星號 */ }
.emoji::after { color: green; content: "👻"; /* 在文字前加星號 */ }

.x-row { flex-direction: row; /* 水平 */ }
.y-column { flex-direction: column; /* 垂直 */ }


.center {
  justify-content: center;
  align-items: center;
}

.left {
  align-items: flex-start;
}
.right {
  align-items: flex-end;
}
.up {
  justify-content: flex-start;
}
.down {
  justify-content: flex-end;
}

.app { width: 100vw; height: 100vh; display: flex; }
.fill { width: 100%; height: 100%; padding: 8px; }

.zIndex {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 999;
  width: 100%;
  height: auto;
}



.active { background: white; color: #000000; }
.active:hover { background-color: #cdcdcd; color: black; /*覆蓋時*/ }
.active:active { background-color: #222222; color: white; /*點下時*/ }
.active:focus {
  background:rgb(255, 225, 230);
  outline: none;              /* 移除預設藍色邊框 */
  /* border: 2px solid green; */
  /* box-shadow: 0 0 5px red; */
}

@keyframes breatheOnce {
  0%   { color: #cdcdcd; }
  50%  { color: black; }  /*red*/
  100% { color: #cdcdcd; }
}
.breathe {
  animation: breatheOnce 1s ease-in-out;  /*2s*/
}

@keyframes flashForever { /* hardBlink */
  0%, 100% { border-color: red; }
  50%      { border-color: transparent; }
}
.main { border: 2px solid red; animation: flashForever 1.0s steps(1, start) infinite; }
.day {  border: 2px solid red; animation: flashForever 1.0s steps(1, start) infinite; background: rgb(255, 225, 230); }
.no {
    pointer-events: none; /* 禁止滑鼠事件 */
    background:#000000;
    color:white;
    /*opacity: 0.6; /* 可選：顯示為灰色 */

    /*opacity: 0;  /* 全部的不透明度 */
    /*background: transparent;  /* 背景的不透明度 */
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}
.fadeOutNodelay { 
  pointer-events: none; 
  animation: fadeOut 3s forwards; 
}
.fadeOutAdelay { 
  /* opacity: 0;  */            /* 不啟用此 */
  pointer-events: none; 
  /* animation: fadeOut 3s forwards;  */
  animation-name: fadeOut;      /* 指定動畫 */
  animation-duration: 2.2s;       /* 動畫持續時間 */
  animation-delay: 0.8s;          /* 延遲開始時間 */
  animation-fill-mode: forwards; /* 動畫結束保持最終狀態 */ 
}

#anything { width: 100%; background-color: black; color: white; font-size: max(1vh,1vw); }
#title { width: 100%; background: white; color: black; }
#content { width: 100%; flex: 1; }
#notice { width: 100%; background: #FF3B00; color: white; }

#copyright { width: 100%; background-color: black; color: white; font-size: max(1vh,1vw); }