body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0f1a 0%, #1e1e2f 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#bgCanvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
}


#BackImage {
    /*background-image: url(~/Pic/bg6.png);*/
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-size: contain;
}
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0a0f1a;
}

body.dark-mode {
    color: #000;
}

body.dark-mode::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 300%;
    height: 300%;
    background: repeating-linear-gradient( 0deg, rgba(0, 255, 255, 0.05), rgba(0, 255, 255, 0.05) 1px, transparent 1px, transparent 20px );
    transform: translate(-50%, -50%) rotate(45deg);
    animation: moveLines 30s linear infinite;
    pointer-events: none;
    z-index: 0;
}

/* 粒子閃爍動畫層 */
body.dark-mode::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(white 1px, transparent 1px);
    background-size: 3px 3px;
    opacity: 0.05;
    animation: twinkle 2s infinite alternate;
    z-index: 1;
    pointer-events: none;
}

@keyframes moveLines {
    0% {
        transform: translate(-50%, -50%) rotate(45deg) translateX(0);
    }

    100% {
        transform: translate(-50%, -50%) rotate(45deg) translateX(100%);
    }
}

@keyframes twinkle {
    0% {
        opacity: 0.05;
    }

    100% {
        opacity: 0.2;
    }
}

/* 主面板內容 */
#MainPanel {
    position: relative;
    z-index: 10;
    width: 90%;
    max-width: 500px;
    margin: 0 auto;
    padding: 3rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
   /* backdrop-filter: blur(10px);*/
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.7);
    color: inherit;
}

/* 切換主題按鈕 */
#themeToggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: inherit;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    z-index: 20;
}


/* 單一欄位：桌機兩欄(標籤/輸入)，手機自動變一欄 */
.field {
    display: grid;
    grid-template-columns: 110px 1fr; /* 標籤固定寬、輸入自動撐滿 */
    align-items: center;
    gap: 8px;
    margin-top: 16px;
}

@media (max-width: 576px) {
    #MainPanel {
        padding: 0rem;
    }
    .field {
        grid-template-columns: 1fr;
    }
    /* 你目前的九宮格來自這層：body.dark-mode::before */
    body.dark-mode::before {
        /* 取消交錯線，僅留主漸層背景 */
  /*      background: repeating-linear-gradient( 0deg, rgba(0, 255, 255, 0.05), rgba(0, 255, 255, 0.05) 1px, transparent 1px, transparent 20px );*/
        background: linear-gradient(0deg, rgba(0, 255, 255, 0.05) 0%, rgba(0, 255, 255, 0.05)100%) !important;
        position: fixed !important;
        inset: 0 !important;
        transform: none !important;
        animation: none !important;
        opacity: 1 !important;
    }

    /* 粒子「閃爍」層保留，但稍微放大點距，避免摩爾紋 */
    body.dark-mode::after {
        position: fixed !important;
        inset: 0 !important;
        background-image: radial-gradient(white 1px, transparent 1px) !important;
        background-size: 4px 4px !important; /* 由 3px → 4px，手機更順眼 */
        opacity: 0.10 !important; /* 可依喜好 0.06 ~ 0.15 */
        animation: twinkle 3s ease-in-out infinite alternate !important;
    }
    /* 手機改為上下排 */
}

/* EasyUI 會包成 .textbox/.passwordbox：統一撐滿寬度與高度 */
.field .easyui-textbox,
.field .easyui-passwordbox,
.field select {
    width: 50% !important;
}

.textbox, .passwordbox {
    width: 50% !important;
}

.textbox .textbox-text,
.passwordbox .textbox-text {
    height: 36px !important;
    line-height: 36px !important;
}
/* 外層寬度跟你的表單一致（可改 520/640…） */
.title-wrap {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    /*max-width: var(--panel-max);
    margin-inline: auto;*/ /* 置中關鍵 */
    /*padding-inline: 16px;*/ /* 手機左右留白 */
}

/* RWD 標題條 */
.title-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    /* 自動縮放 */
    font-weight: 700;
    font-size: clamp(18px, 1.4vw + 0.7rem, 24px);
    letter-spacing: clamp(2px, 0.8vw, 10px);
    line-height: 1.5;
    padding: 12px 16px;
    background: linear-gradient(#94aee3,#ffffff);
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    box-shadow: 0 6px 18px rgba(0,0,0,.08);
    /*padding: clamp(10px, 2.5vh, 16px) clamp(12px, 2vw, 24px);
    background: linear-gradient(var(--title-bg-from), var(--title-bg-to));
    border-top-left-radius: var(--title-radius);
    border-top-right-radius: var(--title-radius);*/
    /* 若只要上角圓，下面兩行不要加 */
    /* border-bottom-left-radius: var(--title-radius);
     border-bottom-right-radius: var(--title-radius); */
    /*box-shadow: 0 6px 18px rgba(0,0,0,.08);*/
    color: #111;
}

/* 深色主題微調（若有 dark-mode） */
body.dark-mode .title-bar {
    /*color: #fff;*/
    background: linear-gradient(180deg, rgba(255,255,255,.15), rgba(255,255,255,.06));
    border: 1px solid rgba(255,255,255,.12);
}