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<!DOCTYPE html>
<html lang="zh-TW">
<html lang="zh-TW"><head><script>window.huggingface={variables:{"SPACE_CREATOR_USER_ID":"675d88eddd3e9eeed66ba88f"}};</script><script>window.huggingface={variables:{"SPACE_CREATOR_USER_ID":"675d88eddd3e9eeed66ba88f"}};</script><script>window.huggingface={variables:{"SPACE_CREATOR_USER_ID":"675d88eddd3e9eeed66ba88f"}};</script>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
  <title>Classroom Focus OS - 班級旗艦極光看板</title>
  <style>
    :root {
      --bg-color: #050b14;
      --card-bg: rgba(15, 23, 42, 0.65);
      --card-border: rgba(255, 255, 255, 0.12);
      --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
      --primary-text: #ffffff;
      --secondary-text: #94a3b8;
      --accent-color: #38bdf8;
      --badge-bg: rgba(255, 255, 255, 0.08);
      --progress-bg: rgba(255, 255, 255, 0.1);
    }

    body[data-theme="dark-slate"] {
      --bg-color: #050b14;
      --card-bg: rgba(15, 23, 42, 0.65);
      --card-border: rgba(255, 255, 255, 0.12);
      --primary-text: #ffffff;
      --secondary-text: #94a3b8;
      --accent-color: #38bdf8;
      --badge-bg: rgba(255, 255, 255, 0.08);
      --progress-bg: rgba(255, 255, 255, 0.1);
    }
    body[data-theme="aurora-fluid"] {
      --bg-color: #021a14;
      --card-bg: rgba(6, 78, 59, 0.45);
      --card-border: rgba(52, 211, 153, 0.25);
      --primary-text: #ffffff;
      --secondary-text: #a7f3d0;
      --accent-color: #34d399;
      --badge-bg: rgba(52, 211, 153, 0.12);
      --progress-bg: rgba(255, 255, 255, 0.12);
    }
    body[data-theme="star-meteor"] {
      --bg-color: #030712;
      --card-bg: rgba(17, 24, 39, 0.7);
      --card-border: rgba(99, 102, 241, 0.25);
      --primary-text: #f3f4f6;
      --secondary-text: #9ca3af;
      --accent-color: #818cf8;
      --badge-bg: rgba(99, 102, 241, 0.15);
      --progress-bg: rgba(255, 255, 255, 0.1);
    }
    body[data-theme="sunset-glow"] {
      --bg-color: #1a0b1c;
      --card-bg: rgba(74, 21, 62, 0.45);
      --card-border: rgba(244, 114, 182, 0.25);
      --primary-text: #ffffff;
      --secondary-text: #fbcfe8;
      --accent-color: #f472b6;
      --badge-bg: rgba(244, 114, 182, 0.15);
      --progress-bg: rgba(255, 255, 255, 0.1);
    }
    body[data-theme="gold-luxury"] {
      --bg-color: #0a0a0a;
      --card-bg: rgba(28, 25, 23, 0.75);
      --card-border: rgba(234, 179, 8, 0.3);
      --primary-text: #fef08a;
      --secondary-text: #ca8a04;
      --accent-color: #eab308;
      --badge-bg: rgba(234, 179, 8, 0.15);
      --progress-bg: rgba(255, 255, 255, 0.1);
    }
    body[data-theme="minimal-light"] {
      --bg-color: #e2e8f0;
      --card-bg: rgba(255, 255, 255, 0.88);
      --card-border: rgba(203, 213, 225, 0.8);
      --card-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
      --primary-text: #0f172a;
      --secondary-text: #64748b;
      --accent-color: #2563eb;
      --badge-bg: rgba(0, 0, 0, 0.06);
      --progress-bg: rgba(0, 0, 0, 0.08);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      user-select: none;
      -webkit-user-select: none;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans TC", sans-serif;
    }

    body {
      width: 100vw;
      height: 100vh;
      overflow: hidden;
      background: var(--bg-color);
      color: var(--primary-text);
      position: relative;
      transition: background 0.4s ease;
      touch-action: none;
    }

    #aurora-canvas {
      position: absolute;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      pointer-events: none;
      z-index: 1;
      opacity: 0;
      transition: opacity 1.5s ease-in-out;
    }
    #aurora-canvas.active {
      opacity: 1;
    }

    .top-bar {
      position: absolute;
      top: 16px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      z-index: 10;
      pointer-events: none;
      width: 90%;
      max-width: 900px;
    }

    .live-clock-line {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .live-clock {
      font-size: 2.2rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--primary-text);
      font-feature-settings: "tnum";
      text-shadow: 0 4px 15px rgba(0,0,0,0.4);
    }
    .period-indicator {
      font-size: 0.75rem;
      padding: 3px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(4px);
      letter-spacing: 0.5px;
    }
    .period-indicator.break {
      background: rgba(52, 211, 153, 0.2);
      color: #34d399;
      border: 1px solid rgba(52, 211, 153, 0.4);
      box-shadow: 0 0 12px rgba(52, 211, 153, 0.3);
    }

    .quote-capsule {
      background: rgba(15, 23, 42, 0.5);
      border: 1px solid rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      padding: 6px 20px;
      border-radius: 999px;
      font-size: 0.95rem;
      color: var(--primary-text);
      letter-spacing: 0.5px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.3);
      max-width: 100%;
      text-align: center;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      position: relative;
    }
    .quote-capsule::before { content: '❝ '; color: #38bdf8; font-weight: bold; }
    .quote-capsule::after { content: ' ❞'; color: #38bdf8; font-weight: bold; }

    #canvas-workspace {
      width: 100vw;
      height: 100vh;
      position: absolute;
      top: 0;
      left: 0;
      z-index: 2;
      touch-action: none;
    }

    .board-card {
      position: absolute;
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-radius: 24px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      touch-action: none;
    }

    .board-card[data-cat="exam"] {
      --theme-color: #38bdf8;
      --num-color: #38bdf8;
      --num-glow: rgba(56, 189, 248, 0.35);
    }
    .board-card[data-cat="sports"] {
      --theme-color: #f97316;
      --num-color: #fb923c;
      --num-glow: rgba(249, 115, 22, 0.35);
    }
    .board-card[data-cat="event"] {
      --theme-color: #ec4899;
      --num-color: #f472b6;
      --num-glow: rgba(236, 72, 153, 0.35);
    }
    .board-card[data-cat="life"] {
      --theme-color: #10b981;
      --num-color: #34d399;
      --num-glow: rgba(16, 185, 129, 0.35);
    }

    .board-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 5px;
      background: var(--theme-color);
      z-index: 2;
    }

    .board-card.highlight {
      border: 1.8px solid #fbbf24;
      box-shadow: 0 16px 40px rgba(251, 191, 36, 0.28);
      --theme-color: #fbbf24;
      --num-color: #fbbf24;
      --num-glow: rgba(251, 191, 36, 0.45);
    }
    .board-card.highlight::before {
      background: #fbbf24;
      height: 7px;
    }

    .card-inner {
      width: 100%;
      height: 100%;
      padding: 20px 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 10px;
      pointer-events: none;
    }

    .card-top {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .card-header-line {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .cat-icon {
      width: 34px;
      height: 34px;
      border-radius: 9px;
      background: rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--theme-color);
      flex-shrink: 0;
    }
    .cat-icon svg { width: 20px; height: 20px; }
    .board-card.highlight .cat-icon {
      background: rgba(251, 191, 36, 0.16);
    }
    .card-title {
      font-size: 1.25rem;
      font-weight: 700;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      color: var(--primary-text);
    }
    .card-target-date {
      font-size: 0.85rem;
      color: var(--secondary-text);
      letter-spacing: 0.5px;
      padding-left: 2px;
    }

    .card-center-metric {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 0;
    }
    .metric-number {
      font-size: 4.5rem;
      font-weight: 800;
      line-height: 1;
      letter-spacing: -2px;
      font-feature-settings: "tnum";
      color: var(--num-color);
      text-shadow: 0 0 24px var(--num-glow);
    }
    .metric-unit {
      font-size: 1.2rem;
      color: var(--theme-color);
      opacity: 0.85;
      font-weight: 500;
    }

    .card-dynamic-body {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .progress-track {
      width: 100%;
      height: 6px;
      background: var(--progress-bg);
      border-radius: 999px;
      overflow: hidden;
    }
    .progress-fill {
      height: 100%;
      background: var(--theme-color);
      border-radius: 999px;
      transition: width 0.2s ease;
    }
    .metric-details {
      display: flex;
      justify-content: space-between;
      font-size: 0.78rem;
      color: var(--secondary-text);
    }

    .card-badge-wrap {
      display: flex;
      justify-content: center;
    }
    .status-capsule {
      font-size: 0.8rem;
      padding: 4px 14px;
      border-radius: 999px;
      background: var(--badge-bg);
      color: var(--secondary-text);
      font-weight: 500;
    }
    .board-card.highlight .status-capsule {
      background: rgba(251, 191, 36, 0.15);
      color: #fbbf24;
    }

    .is-editing .board-card {
      border: 1.5px dashed #38bdf8 !important;
      cursor: grab;
    }
    .is-editing .board-card:active {
      cursor: grabbing;
    }

    /* 放大把手並加強視覺指引 */
    .resize-handle {
      display: none;
      position: absolute;
      right: 0px;
      bottom: 0px;
      width: 42px;
      height: 42px;
      cursor: se-resize;
      background: radial-gradient(circle at 75% 75%, rgba(56, 189, 248, 0.9) 0%, transparent 68%);
      border-bottom-right-radius: 24px;
      z-index: 20;
      touch-action: none;
      pointer-events: auto;
    }
    .is-editing .resize-handle {
      display: block;
    }

    .edit-banner {
      display: none;
      position: fixed;
      top: 16px;
      right: 20px;
      background: rgba(15, 23, 42, 0.95);
      border: 1px solid #38bdf8;
      backdrop-filter: blur(8px);
      padding: 8px 16px;
      border-radius: 12px;
      z-index: 1000;
      align-items: center;
      gap: 10px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }
    .is-editing .edit-banner {
      display: flex;
    }

    .settings-trigger {
      position: fixed;
      bottom: 20px;
      right: 20px;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: rgba(15, 23, 42, 0.8);
      border: 1.5px solid rgba(255, 255, 255, 0.25);
      backdrop-filter: blur(8px);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: #94a3b8;
      opacity: 0.4;
      transition: all 0.2s;
      z-index: 500;
      touch-action: manipulation;
    }
    .settings-trigger:hover, .settings-trigger:active {
      opacity: 1;
      transform: rotate(30deg);
      color: #fff;
    }

    .modal-backdrop {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.75);
      backdrop-filter: blur(12px);
      z-index: 2000;
      align-items: center;
      justify-content: center;
    }
    .pin-modal-box {
      background: #1e293b;
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: 20px;
      padding: 24px 28px;
      width: 320px;
      text-align: center;
      color: #fff;
      box-shadow: 0 25px 50px rgba(0,0,0,0.6);
    }
    .pin-dots-display {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin: 16px 0 20px;
      height: 24px;
      align-items: center;
    }
    .pin-dot {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      border: 2px solid #64748b;
      background: transparent;
      transition: all 0.15s ease;
    }
    .pin-dot.filled {
      background: #38bdf8;
      border-color: #38bdf8;
      box-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
      transform: scale(1.15);
    }
    .pin-dot.error {
      background: #ef4444;
      border-color: #ef4444;
      box-shadow: 0 0 10px rgba(239, 68, 68, 0.6);
    }
    .pin-keypad {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-bottom: 16px;
    }
    .pin-btn {
      height: 52px;
      font-size: 1.35rem;
      font-weight: 600;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(15, 23, 42, 0.7);
      color: #f8fafc;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      touch-action: manipulation;
      transition: all 0.15s ease;
    }
    .pin-btn:hover {
      background: rgba(56, 189, 248, 0.2);
      border-color: #38bdf8;
    }
    .pin-btn:active {
      transform: scale(0.95);
      background: #38bdf8;
      color: #0f172a;
    }
    .pin-btn.action-btn {
      font-size: 1rem;
      color: #94a3b8;
    }

    .btn {
      padding: 8px 16px;
      border-radius: 8px;
      border: none;
      font-weight: 600;
      cursor: pointer;
      font-size: 0.85rem;
      touch-action: manipulation;
    }
    .btn-primary { background: #38bdf8; color: #0f172a; }
    .btn-secondary { background: #334155; color: #fff; }
    .btn-success { background: #10b981; color: #fff; }
    .btn-danger { background: #ef4444; color: #fff; }

    .admin-drawer {
      display: none;
      position: fixed;
      top: 0;
      right: 0;
      width: 580px;
      max-width: 94vw;
      height: 100vh;
      background: #0f172a;
      border-left: 1px solid #334155;
      box-shadow: -15px 0 40px rgba(0,0,0,0.6);
      z-index: 2100;
      flex-direction: column;
      color: #e2e8f0;
    }
    .drawer-header {
      padding: 20px;
      border-bottom: 1px solid #1e293b;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .drawer-content {
      padding: 20px;
      overflow-y: auto;
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .setting-block {
      background: #1e293b;
      border: 1px solid #334155;
      border-radius: 12px;
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .setting-block h4 {
      font-size: 0.95rem;
      color: #38bdf8;
    }
    .item-row {
      background: #090d16;
      border: 1px solid #334155;
      border-radius: 8px;
      padding: 12px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .item-inputs {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 8px;
    }
    .setting-block input, .setting-block select, .setting-block textarea {
      background: #090d16;
      border: 1px solid #334155;
      color: #fff;
      padding: 7px 10px;
      border-radius: 6px;
      font-size: 0.85rem;
    }
  </style>
<meta property="og:title" content="Countdown"><meta property="og:image" content="https://cdn-thumbnails.huggingface.co/social-thumbnails/spaces/Lashtw/Countdown.png"><meta name="twitter:card" content="summary_large_image"><meta name="twitter:image" content="https://cdn-thumbnails.huggingface.co/social-thumbnails/spaces/Lashtw/Countdown.png"></head>
<body data-theme="dark-slate" class="is-editing">

  <canvas id="aurora-canvas" width="1280" height="535" class=""></canvas>

  <div class="top-bar">
    <div class="live-clock-line">
      <div class="live-clock" id="liveClock">07:41:19</div>
      <div class="period-indicator" id="periodIndicator">課堂專注模式</div>
    </div>
    <div class="quote-capsule" id="dailyQuoteText">一個人跑得快,一群人跑得遠。</div>
  </div>

  <div id="canvas-workspace"><div class="board-card " id="card-1" data-cat="exam" style="left: 956.083px; top: 110.417px; width: 274px; height: 292.417px;">
          <div class="card-inner">
            <div class="card-top">
              <div class="card-header-line">
                <div class="cat-icon"><svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"></path><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"></path></svg></div>
                <div class="card-title">技藝班學科測驗開始</div>
              </div>
              <div class="card-target-date">2026.10.22</div>
            </div>

            <div class="card-center-metric">
              <span class="metric-number" style="font-size: 4.281248092651367rem;">2</span>
              <span class="metric-unit">天</span>
            </div>

            <div class="card-dynamic-body" style="display: none;">
              <div class="progress-track">
                <div class="progress-fill" style="width: 97%;"></div>
              </div>
              <div class="metric-details">
                <span>備考準備期進度:97%</span>
                <span>約合 <b>0.3</b> 週</span>
              </div>
            </div>

            <div class="card-badge-wrap">
              <div class="status-capsule">倒數 2 天</div>
            </div>
          </div>
          <div class="resize-handle"></div>
        </div><div class="board-card " id="card-2" data-cat="sports" style="left: 957.417px; top: 405.333px; width: 273.417px; height: 237.833px;">
          <div class="card-inner">
            <div class="card-top">
              <div class="card-header-line">
                <div class="cat-icon"><svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path d="M6 9H4.5a2.5 2.5 0 0 1 0-5H6"></path><path d="M18 9h1.5a2.5 2.5 0 0 0 0-5H18"></path><path d="M4 22h16"></path><path d="M10 14.66V17c0 .55-.45 1-1 1H7v4h10v-4h-2c-.55 0-1-.45-1-1v-2.34c3.08-.63 5.4-3.3 5.4-6.66V4H4v4c0 3.36 2.32 6.03 5.4 6.66z"></path></svg></div>
                <div class="card-title">校慶運動大會</div>
              </div>
              <div class="card-target-date">2026.11.14</div>
            </div>

            <div class="card-center-metric">
              <span class="metric-number" style="font-size: 4.272134780883789rem;">25</span>
              <span class="metric-unit">天</span>
            </div>

            <div class="card-dynamic-body" style="display: none;">
              <div class="progress-track">
                <div class="progress-fill" style="width: 72%;"></div>
              </div>
              <div class="metric-details">
                <span>備考準備期進度:72%</span>
                <span>約合 <b>3.6</b> 週</span>
              </div>
            </div>

            <div class="card-badge-wrap">
              <div class="status-capsule">倒數 25 天</div>
            </div>
          </div>
          <div class="resize-handle"></div>
        </div><div class="board-card highlight" id="card-3" data-cat="exam" style="left: 331.75px; top: 110.25px; width: 314.083px; height: 537.667px;">
          <div class="card-inner">
            <div class="card-top">
              <div class="card-header-line">
                <div class="cat-icon"><svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"></path><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"></path></svg></div>
                <div class="card-title">國中教育會考</div>
              </div>
              <div class="card-target-date">2027.05.15</div>
            </div>

            <div class="card-center-metric">
              <span class="metric-number" style="font-size: 4.9075517654418945rem;">207</span>
              <span class="metric-unit">天</span>
            </div>

            <div class="card-dynamic-body" style="display: flex;">
              <div class="progress-track">
                <div class="progress-fill" style="width: 31%;"></div>
              </div>
              <div class="metric-details">
                <span>備考準備期進度:31%</span>
                <span>約合 <b>29.6</b> 週</span>
              </div>
            </div>

            <div class="card-badge-wrap">
              <div class="status-capsule">倒數 207 天</div>
            </div>
          </div>
          <div class="resize-handle"></div>
        </div><div class="board-card highlight" id="card-1789777581106" data-cat="exam" style="left: 655.25px; top: 110.417px; width: 291px; height: 536px;">
          <div class="card-inner">
            <div class="card-top">
              <div class="card-header-line">
                <div class="cat-icon"><svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"></path><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"></path></svg></div>
                <div class="card-title">全縣模擬考(1-4冊)</div>
              </div>
              <div class="card-target-date">2026.12.23</div>
            </div>

            <div class="card-center-metric">
              <span class="metric-number" style="font-size: 4.546875rem;">64</span>
              <span class="metric-unit">天</span>
            </div>

            <div class="card-dynamic-body" style="display: flex;">
              <div class="progress-track">
                <div class="progress-fill" style="width: 36%;"></div>
              </div>
              <div class="metric-details">
                <span>備考準備期進度:36%</span>
                <span>約合 <b>9.1</b> 週</span>
              </div>
            </div>

            <div class="card-badge-wrap">
              <div class="status-capsule">倒數 64 天</div>
            </div>
          </div>
          <div class="resize-handle"></div>
        </div></div>

  <!-- 編輯狀態控制列 -->
  <div class="edit-banner" id="editBanner">
    <span style="font-size:0.85rem; color:#38bdf8;">✦ 自由排版中:拖曳卡片或縮放邊角</span>
    <button class="btn btn-secondary" onclick="randomizeQuote()">隨機金句</button>
    <button class="btn btn-secondary" onclick="openAdminDrawer()">作息與設定</button>
    <button class="btn btn-success" onclick="exitEditMode()">完成並鎖定</button>
  </div>

  <!-- 齒輪解鎖按鈕 -->
  <div class="settings-trigger" onclick="openPinModal()" title="開啟看板設定">
    <svg width="26" height="26" fill="currentColor" viewBox="0 0 24 24">
      <path d="M19.14 12.94c.04-.3.06-.61.06-.94 0-.32-.02-.64-.07-.94l2.03-1.58c.18-.14.23-.41.12-.61l-1.92-3.32c-.12-.22-.37-.29-.59-.22l-2.39.96c-.5-.38-1.03-.7-1.62-.94l-.36-2.54c-.04-.24-.24-.41-.48-.41h-3.84c-.24 0-.43.17-.47.41l-.36 2.54c-.59.24-1.13.57-1.62.94l-2.39-.96c-.22-.08-.47 0-.59.22L2.74 8.87c-.12.21-.08.47.12.61l2.03 1.58c-.05.3-.09.63-.09.94s.02.64.07.94l-2.03 1.58c-.18.14-.23.41-.12.61l1.92 3.32c.12.22.37.29.59.22l2.39-.96c.5.38 1.03.7 1.62.94l.36 2.54c.05.24.24.41.48.41h3.84c.24 0 .44-.17.47-.41l.36-2.54c.59-.24 1.13-.56 1.62-.94l2.39.96c.22.08.47 0 .59-.22l1.92-3.32c.12-.22.07-.47-.12-.61l-2.01-1.58zM12 15.6c-1.98 0-3.6-1.62-3.6-3.6s1.62-3.6 3.6-3.6 3.6 1.62 3.6 3.6-1.62 3.6-3.6 3.6z"></path>
    </svg>
  </div>

  <!-- 螢幕數位按鍵鎖 -->
  <div class="modal-backdrop" id="pinModal" style="display: none;">
    <div class="pin-modal-box">
      <h3>管理員驗證</h3>
      <p style="font-size:0.8rem; color:#94a3b8; margin-top:4px;">請點擊螢幕按鈕輸入 PIN 碼 (902)</p>
      
      <div class="pin-dots-display" id="pinDots">
        <div class="pin-dot filled"></div>
        <div class="pin-dot filled"></div>
        <div class="pin-dot filled"></div>
      </div>

      <div class="pin-keypad">
        <button class="pin-btn" onclick="pressKey('1')">1</button>
        <button class="pin-btn" onclick="pressKey('2')">2</button>
        <button class="pin-btn" onclick="pressKey('3')">3</button>
        <button class="pin-btn" onclick="pressKey('4')">4</button>
        <button class="pin-btn" onclick="pressKey('5')">5</button>
        <button class="pin-btn" onclick="pressKey('6')">6</button>
        <button class="pin-btn" onclick="pressKey('7')">7</button>
        <button class="pin-btn" onclick="pressKey('8')">8</button>
        <button class="pin-btn" onclick="pressKey('9')">9</button>
        <button class="pin-btn action-btn" onclick="clearKey()">C</button>
        <button class="pin-btn" onclick="pressKey('0')">0</button>
        <button class="pin-btn action-btn" onclick="backspaceKey()">⌫</button>
      </div>

      <button class="btn btn-secondary" style="width:100%;" onclick="closePinModal()">取消</button>
    </div>
  </div>

  <!-- 後台側拉抽屜 -->
  <div class="admin-drawer" id="adminDrawer" style="display: flex;">
    <div class="drawer-header">
      <h3>看板與上下課作息設定</h3>
      <button class="btn btn-secondary" onclick="closeAdminDrawer()">關閉</button>
    </div>

    <div class="drawer-content">
      <div class="setting-block" style="border: 1px solid #38bdf8;">
        <h4>永久固化排版 (解決重開機重設問題)</h4>
        <p style="font-size:0.8rem; color:#94a3b8;">排版完成後,點擊下方「固化為全新預設檔」,下載覆蓋原本的 `index.html`,重開機保證 100% 永不跑位。</p>
        
        <div style="display:flex; flex-direction:column; gap:8px;">
          <button class="btn btn-success" style="padding:10px; font-size:0.9rem;" onclick="exportAsHardcodedHtml()">⭐ 固化為全新預設檔 (下載 index.html)</button>

          <div style="display:flex; gap:8px;">
            <button class="btn btn-secondary" style="flex:1;" onclick="downloadConfigFile()">💾 備份設定 (.json)</button>
            <label class="btn btn-primary" style="flex:1; text-align:center; cursor:pointer; margin:0; line-height:1.2;">
              📂 匯入設定檔
              <input type="file" id="configFileUploader" accept=".json" style="display:none;" onchange="importConfigFile(event)">
            </label>
          </div>
        </div>
      </div>

      <div class="setting-block">
        <h4>視覺風格主題 (6款風格)</h4>
        <select id="themeSelect" onchange="changeTheme(this.value)">
          <option value="dark-slate">深邃板岩灰 (Dark Slate)</option>
          <option value="aurora-fluid">極光流體 (Aurora Glow)</option>
          <option value="star-meteor">星夜流星 (Starry Meteor)</option>
          <option value="sunset-glow">落日餘暉 (Sunset Glow)</option>
          <option value="gold-luxury">黑金尊爵 (Gold Luxury)</option>
          <option value="minimal-light">晨光清透 (Minimal Light)</option>
        </select>
      </div>

      <div class="setting-block">
        <h4>作息時間表 (下課自動啟動極光流動)</h4>
        <p style="font-size:0.8rem; color:#94a3b8;">每行設定一節課堂(格式:開始-結束,例如 08:15-09:00),其餘時間自動視為下課。</p>
        <textarea id="scheduleInput" rows="6" style="font-family:monospace; font-size:0.85rem; resize:vertical;"></textarea>
      </div>

      <div class="setting-block">
        <div style="display:flex; justify-content:space-between; align-items:center;">
          <h4>倒數項目資料庫 (可複選多個高亮)</h4>
          <button class="btn btn-primary" onclick="addNewEvent()">+ 新增卡片</button>
        </div>
        <div id="editorItemList" style="display:flex; flex-direction:column; gap:10px;"><div class="item-row">
          <div class="item-inputs">
            <input type="text" value="技藝班學科測驗開始" placeholder="名稱" onchange="appState.cards[0].title=this.value">
            <input type="date" value="2026-10-22" onchange="appState.cards[0].date=this.value">
          </div>
          <div style="display:flex; justify-content:space-between; align-items:center;">
            <select onchange="appState.cards[0].cat=this.value; renderBoard();">
              <option value="exam" selected="">學業考試 (書本)</option>
              <option value="sports">運動競賽 (獎盃)</option>
              <option value="event">校慶活動 (旗幟)</option>
              <option value="life">常態生活 (時鐘)</option>
            </select>
            <label style="font-size:0.8rem; color:#cbd5e1; display:flex; align-items:center; gap:4px; cursor:pointer;">
              <input type="checkbox" onchange="toggleCardHighlight(0, this.checked)"> 重要高亮
            </label>
            <button class="btn btn-danger" style="padding:4px 8px;" onclick="removeCard(0)">刪除</button>
          </div>
        </div><div class="item-row">
          <div class="item-inputs">
            <input type="text" value="校慶運動大會" placeholder="名稱" onchange="appState.cards[1].title=this.value">
            <input type="date" value="2026-11-14" onchange="appState.cards[1].date=this.value">
          </div>
          <div style="display:flex; justify-content:space-between; align-items:center;">
            <select onchange="appState.cards[1].cat=this.value; renderBoard();">
              <option value="exam">學業考試 (書本)</option>
              <option value="sports" selected="">運動競賽 (獎盃)</option>
              <option value="event">校慶活動 (旗幟)</option>
              <option value="life">常態生活 (時鐘)</option>
            </select>
            <label style="font-size:0.8rem; color:#cbd5e1; display:flex; align-items:center; gap:4px; cursor:pointer;">
              <input type="checkbox" onchange="toggleCardHighlight(1, this.checked)"> 重要高亮
            </label>
            <button class="btn btn-danger" style="padding:4px 8px;" onclick="removeCard(1)">刪除</button>
          </div>
        </div><div class="item-row">
          <div class="item-inputs">
            <input type="text" value="國中教育會考" placeholder="名稱" onchange="appState.cards[2].title=this.value">
            <input type="date" value="2027-05-15" onchange="appState.cards[2].date=this.value">
          </div>
          <div style="display:flex; justify-content:space-between; align-items:center;">
            <select onchange="appState.cards[2].cat=this.value; renderBoard();">
              <option value="exam" selected="">學業考試 (書本)</option>
              <option value="sports">運動競賽 (獎盃)</option>
              <option value="event">校慶活動 (旗幟)</option>
              <option value="life">常態生活 (時鐘)</option>
            </select>
            <label style="font-size:0.8rem; color:#cbd5e1; display:flex; align-items:center; gap:4px; cursor:pointer;">
              <input type="checkbox" checked="" onchange="toggleCardHighlight(2, this.checked)"> 重要高亮
            </label>
            <button class="btn btn-danger" style="padding:4px 8px;" onclick="removeCard(2)">刪除</button>
          </div>
        </div><div class="item-row">
          <div class="item-inputs">
            <input type="text" value="全縣模擬考(1-4冊)" placeholder="名稱" onchange="appState.cards[3].title=this.value">
            <input type="date" value="2026-12-23" onchange="appState.cards[3].date=this.value">
          </div>
          <div style="display:flex; justify-content:space-between; align-items:center;">
            <select onchange="appState.cards[3].cat=this.value; renderBoard();">
              <option value="exam" selected="">學業考試 (書本)</option>
              <option value="sports">運動競賽 (獎盃)</option>
              <option value="event">校慶活動 (旗幟)</option>
              <option value="life">常態生活 (時鐘)</option>
            </select>
            <label style="font-size:0.8rem; color:#cbd5e1; display:flex; align-items:center; gap:4px; cursor:pointer;">
              <input type="checkbox" checked="" onchange="toggleCardHighlight(3, this.checked)"> 重要高亮
            </label>
            <button class="btn btn-danger" style="padding:4px 8px;" onclick="removeCard(3)">刪除</button>
          </div>
        </div></div>
      </div>
    </div>

    <div style="padding:16px; border-top:1px solid #1e293b; display:flex; justify-content:flex-end;">
      <button class="btn btn-success" onclick="saveAllSettings()">儲存並發布</button>
    </div>
  </div>

  <script>
    const QUOTES = [
      "最好的時機是還沒開始之前,第二好的時機,就是你按下開始的這一秒。",
      "你不需要準備好才開始,你會因為開始了才慢慢變好。",
      "遲到三天的練習,還是贏過準時放棄。",
      "現在做的一點點,都好過明天打算做的很多。",
      "你不是起步太晚,你只是還沒起步。",
      "想清楚很好,但先做一點點更好。",
      "你缺的從來不是計畫,是今天先做的那一步。",
      "不用等到有把握,邊做邊有把握。",
      "每個「以後再說」,都是在跟未來的自己借錢。",
      "開始的那三秒最痛,過了就順了。",
      "決定要做的時候,最難的部分就已經結束了。",
      "種樹最好的時間是二十年前,第二好的時間是今天。",
      "認真的最好時間是三年前,第二好的時間就是現在。",
      "不用完美開場,先開場才有辦法變完美。",
      "明天不會比今天更適合,只會比今天更晚。",
      "先踏出第一步,路會在腳下慢慢長出來。",
      "你等的不是時機,是勇氣。",
      "做,比想,更快讓你變強。",
      "起步晚的人只要不停,一樣會到。",
      "現在開始,永遠是最不晚的選擇。",
      "決定開始需要勇氣,走下去只需要習慣。",
      "進步不是每天都看得出來,而是某天回頭,發現已經走了很遠。",
      "沒有一天是白費的,只是有些天的成果晚一點才到帳。",
      "撐住,不是因為你不累,是因為你知道停下來會更累。",
      "慢沒關係,別停;停沒關係,別回頭。",
      "每天做一點的人,最後會贏過偶爾拼命的人。",
      "撐下去不是因為很強,是因為還沒打算放棄。",
      "今天的進度很小,但它不會消失。",
      "你不是沒進步,你只是還在進步的路上。",
      "堅持的秘訣不是意志力,是把它變成每天要做的事。",
      "別人看到的是成果,只有你知道自己撐了多久。",
      "一天一天來,累積不會騙人。",
      "只要還在走,就不算失敗。",
      "你今天的堅持,是明天輕鬆的原因。",
      "累了可以休息,但別順便放棄。",
      "大目標很遠,下一步很近,先跨下一步。",
      "穩定比猛烈更難,也更有用。",
      "你已經撐到今天了,再多撐一天不難。",
      "放棄的念頭會來,讓它來,但別聽它的。",
      "走到最後的人,往往不是最快的,是沒停的。",
      "錯的這一題,正在教你對的那一題怎麼寫。",
      "跌倒的次數,是你在嘗試的證明,不是你不行的證明。",
      "會怕,代表這件事對你有意義;會做,代表你已經比昨天更強。",
      "考差了不是句點,是這次的逗號。",
      "你不需要每題都對,你只需要每題都弄懂。",
      "寫錯的地方,才是你真正會變強的地方。",
      "不會,只是「還沒會」,不是「永遠不會」。",
      "每次卡住,都是你的能力在長大前先痛一下。",
      "分數會騙人,努力不會。",
      "被打倒不可怕,怕的是你相信了「我不行」。",
      "錯誤是最好用的老師,因為它只教你缺的那一塊。",
      "摔過的地方,下次你就會記得繞過去。",
      "你現在不熟的,練久就會變熟。",
      "失敗只說明這次的方法不對,不說明你不行。",
      "敢再試一次的人,就已經比昨天勇敢。",
      "做錯比不做有價值,至少你知道路在哪。",
      "每一題訂正,都是在替自己補一個洞。",
      "不會的問題問出口,它就開始變成你的。",
      "進步常常藏在最不想面對的那個錯誤裡。",
      "你不需要一次就學會,你只需要沒停下來學。",
      "你現在的每一天,都是在替考場上的自己鋪路。",
      "別想一次追完所有進度,只要今天比昨天多懂一點。",
      "緊張是因為你在乎,把在乎換成多做一題。",
      "會考不是審判你有多聰明,是檢查你努力了多少。",
      "現在的安靜努力,會變成放榜那天的大聲歡呼。",
      "你現在背的每個公式,都是考場上的武器。",
      "一天弄懂一題,一百天就多一百題。",
      "焦慮不會讓你考更好,多做一題會。",
      "撐過這段無聊又辛苦的日子,你會感謝現在的自己。",
      "會考只考一次,但你為它努力的樣子會跟你很久。",
      "會考比的是誰準備得比較久,不是誰比較聰明。",
      "你現在多撐的每一分鐘,考場上都算數。",
      "現在讀不下去的時候,想想放榜那天想看到的自己。",
      "把大範圍拆小,今天只要顧好今天這頁。",
      "你不需要跟全班比,你只需要比昨天的自己多會一點。",
      "每張寫過的複習卷,都在幫你少錯一題。",
      "現在忍一下,以後就少後悔一次。",
      "考前的努力不會消失,它只是在等放榜那天出現。",
      "別問來不來得及,先問今天做了多少。",
      "你離目標的距離,等於你今天願意多做的題數。",
      "你不必跑贏所有人,只要跑贏上次那個自己。",
      "練習時流的汗,會在比賽時替你說話。",
      "班級的第一名,是每個人多撐一步換來的。",
      "名次會過去,你有沒有盡力,你自己會記得一輩子。",
      "上場前先深呼吸,你已經準備得比你想的更充分了。",
      "你追的不是對手,是昨天那個想放棄的自己。",
      "每一次練習,都是替比賽那天多存一點底氣。",
      "全班一起撐,就會比一個人撐得久。",
      "輸贏一分鐘,努力一學期,你懂哪個比較重。",
      "站上場的那一刻,你已經贏過還沒開始的人。",
      "比賽只有幾秒,但你有好幾個星期可以準備。",
      "今天的練習,是為了讓你那天不會後悔。",
      "緊張就深呼吸,把緊張變成衝出去的力量。",
      "一個人跑得快,一群人跑得遠。",
      "破自己的紀錄,比拿別人的名次更值得。",
      "現在多練一趟,比賽就少喘一口氣。",
      "輸了不用怕,怕的是你沒盡力就說算了。",
      "你為班級流的汗,全班都會記得。",
      "起跑槍響前,先告訴自己:我準備好了。",
      "盡力的人,站在哪裡都閃亮。"
    ];

    const ICONS = {
      exam: `<svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"></path><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"></path></svg>`,
      sports: `<svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path d="M6 9H4.5a2.5 2.5 0 0 1 0-5H6"></path><path d="M18 9h1.5a2.5 2.5 0 0 0 0-5H18"></path><path d="M4 22h16"></path><path d="M10 14.66V17c0 .55-.45 1-1 1H7v4h10v-4h-2c-.55 0-1-.45-1-1v-2.34c3.08-.63 5.4-3.3 5.4-6.66V4H4v4c0 3.36 2.32 6.03 5.4 6.66z"></path></svg>`,
      event: `<svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path d="M4 15s1-1 4-1 5 2 8 2 4-1 4-1V3s-1 1-4 1-5-2-8-2-4 1-4 1z"></path><line x1="4" y1="22" x2="4" y2="15"></line></svg>`,
      life: `<svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"></circle><polyline points="12 6 12 12 16 14"></polyline></svg>`
    };

    const DEFAULT_SCHEDULE = [
      "08:15-09:00",
      "09:10-09:55",
      "10:10-10:55",
      "11:05-11:50",
      "13:10-13:55",
      "14:05-14:50",
      "15:05-15:50",
      "16:00-16:45"
    ];

    /*START_DEFAULT_DATA*/
    const DEFAULT_DATA = {
  "theme": "dark-slate",
  "schedule": [
    "07:30-08:00",
    "08:10-08:55",
    "09:05-09:50",
    "10:10-10:55",
    "11:05-11:50",
    "13:10-13:55",
    "14:05-14:50",
    "15:05-15:50",
    "16:00-16:45",
    "17:00-18:00"
  ],
  "cards": [
    {
      "id": "1",
      "title": "技藝班學科測驗開始",
      "date": "2026-10-22",
      "cat": "exam",
      "highlight": false,
      "x": 956.0833740234375,
      "y": 110.41667175292969,
      "w": 273.9998779296875,
      "h": 292.41668701171875,
      "totalSpan": 60
    },
    {
      "id": "2",
      "title": "校慶運動大會",
      "date": "2026-11-14",
      "cat": "sports",
      "highlight": false,
      "x": 957.4166259765625,
      "y": 405.33331298828125,
      "w": 273.4166259765625,
      "h": 237.83331298828125,
      "totalSpan": 90
    },
    {
      "id": "3",
      "title": "國中教育會考",
      "date": "2027-05-15",
      "cat": "exam",
      "highlight": true,
      "x": 331.75,
      "y": 110.25,
      "w": 314.08331298828125,
      "h": 537.6666870117188,
      "totalSpan": 300
    },
    {
      "id": "1789777581106",
      "title": "全縣模擬考(1-4冊)",
      "date": "2026-12-23",
      "cat": "exam",
      "highlight": true,
      "x": 655.2500610351562,
      "y": 110.41667175292969,
      "w": 291,
      "h": 536,
      "totalSpan": 100
    }
  ]
};
    /*END_DEFAULT_DATA*/

    const STORAGE_KEY = "classroom_focus_master_data";

    let appState = loadInitialData();
    let isEditing = false;
    let isClassBreak = false;
    let currentPin = "";

    function openDB() {
      return new Promise((resolve) => {
        const req = indexedDB.open("ClassroomFocusDB", 1);
        req.onupgradeneeded = (e) => {
          const db = e.target.result;
          if (!db.objectStoreNames.contains("settings")) {
            db.createObjectStore("settings");
          }
        };
        req.onsuccess = (e) => resolve(e.target.result);
        req.onerror = () => resolve(null);
      });
    }

    async function saveToIndexedDB(data) {
      const db = await openDB();
      if (!db) return;
      const tx = db.transaction("settings", "readwrite");
      tx.objectStore("settings").put(data, "master_data");
    }

    async function loadFromIndexedDB() {
      const db = await openDB();
      if (!db) return null;
      return new Promise((resolve) => {
        const tx = db.transaction("settings", "readonly");
        const req = tx.objectStore("settings").get("master_data");
        req.onsuccess = () => resolve(req.result || null);
        req.onerror = () => resolve(null);
      });
    }

    function loadInitialData() {
      const saved = localStorage.getItem(STORAGE_KEY);
      return saved ? JSON.parse(saved) : DEFAULT_DATA;
    }

    async function initStorageSync() {
      const idbData = await loadFromIndexedDB();
      if (idbData && idbData.cards) {
        appState = idbData;
        saveAppData();
        renderBoard();
        document.body.setAttribute("data-theme", appState.theme);
      }
    }
    initStorageSync();

    function saveAppData() {
      localStorage.setItem(STORAGE_KEY, JSON.stringify(appState));
      saveToIndexedDB(appState);
    }

    function exportAsHardcodedHtml() {
      let currentHtml = document.documentElement.outerHTML;
      const targetDataString = JSON.stringify(appState, null, 2);
      
      const regex = /\/\*START_DEFAULT_DATA\*\/[\s\S]*?\/\*END_DEFAULT_DATA\*\//;
      const replacement = `/*START_DEFAULT_DATA*/\n    const DEFAULT_DATA = ${targetDataString};\n    /*END_DEFAULT_DATA*/`;
      
      const newHtml = "<!DOCTYPE html>\n<html lang=\"zh-TW\">\n" + currentHtml.replace(regex, replacement) + "\n</html>";
      
      const blob = new Blob([newHtml], { type: "text/html;charset=utf-8" });
      const url = URL.createObjectURL(blob);
      const a = document.createElement("a");
      a.href = url;
      a.download = `index.html`;
      document.body.appendChild(a);
      a.click();
      document.body.removeChild(a);
      URL.revokeObjectURL(url);
      
      alert("✓ 固化成功!請用剛下載的 `index.html` 直接覆蓋原檔,開機將永久預設此版面。");
    }

    function openPinModal() {
      currentPin = "";
      updatePinDots();
      document.getElementById("pinModal").style.display = "flex";
    }
    function closePinModal() {
      document.getElementById("pinModal").style.display = "none";
      currentPin = "";
    }
    function pressKey(num) {
      if (currentPin.length < 3) {
        currentPin += num;
        updatePinDots();
        if (currentPin.length === 3) setTimeout(verifyPinCode, 150);
      }
    }
    function backspaceKey() {
      if (currentPin.length > 0) {
        currentPin = currentPin.slice(0, -1);
        updatePinDots();
      }
    }
    function clearKey() {
      currentPin = "";
      updatePinDots();
    }
    function updatePinDots(isError = false) {
      const dots = document.querySelectorAll(".pin-dot");
      dots.forEach((dot, idx) => {
        dot.className = "pin-dot";
        if (isError) dot.classList.add("error");
        else if (idx < currentPin.length) dot.classList.add("filled");
      });
    }
    function verifyPinCode() {
      if (currentPin === "902") {
        closePinModal();
        enterEditMode();
      } else {
        updatePinDots(true);
        setTimeout(() => {
          currentPin = "";
          updatePinDots();
        }, 500);
      }
    }

    function downloadConfigFile() {
      const fullPackage = {
        theme: appState.theme,
        schedule: appState.schedule,
        cards: appState.cards
      };
      const jsonStr = JSON.stringify(fullPackage, null, 2);
      const blob = new Blob([jsonStr], { type: "application/json" });
      const url = URL.createObjectURL(blob);
      const a = document.createElement("a");
      a.href = url;
      a.download = `classroom-dashboard-config.json`;
      document.body.appendChild(a);
      a.click();
      document.body.removeChild(a);
      URL.revokeObjectURL(url);
    }

    function importConfigFile(event) {
      const file = event.target.files[0];
      if (!file) return;

      const reader = new FileReader();
      reader.onload = (e) => {
        applyJsonConfig(e.target.result);
      };
      reader.readAsText(file);
      event.target.value = "";
    }

    function applyJsonConfig(jsonString) {
      try {
        const parsed = JSON.parse(jsonString);
        if (parsed.cards && parsed.theme) {
          appState.theme = parsed.theme;
          appState.cards = parsed.cards;
          if (parsed.schedule && Array.isArray(parsed.schedule)) {
            appState.schedule = parsed.schedule;
          }

          saveAppData();
          document.body.setAttribute("data-theme", appState.theme);
          document.getElementById("themeSelect").value = appState.theme;

          renderBoard();
          updateClock();
          closeAdminDrawer();
          alert("✓ 設定已成功匯入!所有排版、顏色與重點標記已即刻生效。");
        } else {
          alert("設定檔格式不符。");
        }
      } catch (e) {
        alert("JSON 解析失敗。");
      }
    }

    function updateDailyQuote() {
      const now = new Date();
      const start = new Date(now.getFullYear(), 0, 0);
      const diff = now - start;
      const dayOfYear = Math.floor(diff / (1000 * 60 * 60 * 24));
      const quoteIndex = dayOfYear % QUOTES.length;
      document.getElementById("dailyQuoteText").textContent = QUOTES[quoteIndex];
    }
    function randomizeQuote() {
      const randIdx = Math.floor(Math.random() * QUOTES.length);
      document.getElementById("dailyQuoteText").textContent = QUOTES[randIdx];
    }

    function changeTheme(t) {
      appState.theme = t;
      document.body.setAttribute("data-theme", t);
    }

    function renderBoard() {
      document.body.setAttribute("data-theme", appState.theme);
      const ws = document.getElementById("canvas-workspace");
      ws.innerHTML = "";

      const today = new Date();
      today.setHours(0,0,0,0);

      appState.cards.forEach(card => {
        const target = new Date(card.date + "T00:00:00");
        const diffDays = Math.ceil((target - today) / (1000 * 60 * 60 * 24));
        const displayDays = diffDays >= 0 ? diffDays : 0;
        const badgeText = diffDays > 0 ? `倒數 ${displayDays} 天` : (diffDays === 0 ? "🔥 就是今天" : "已圓滿結束");

        const totalSpan = card.totalSpan || 100;
        const progressPct = Math.max(0, Math.min(100, Math.round(((totalSpan - displayDays) / totalSpan) * 100)));
        const weeksLeft = (displayDays / 7).toFixed(1);

        const el = document.createElement("div");
        el.className = `board-card ${card.highlight ? 'highlight' : ''}`;
        el.id = `card-${card.id}`;
        el.setAttribute("data-cat", card.cat);
        el.style.left = `${card.x}px`;
        el.style.top = `${card.y}px`;
        el.style.width = `${card.w}px`;
        el.style.height = `${card.h}px`;

        const isTall = card.h >= 360;
        const fontScale = Math.min(card.w / 4, card.h / (isTall ? 3.8 : 2.5));
        const fontSizeRem = Math.max(2.8, Math.min(fontScale / 16, 7.5));

        el.innerHTML = `
          <div class="card-inner">
            <div class="card-top">
              <div class="card-header-line">
                <div class="cat-icon">${ICONS[card.cat] || ICONS.life}</div>
                <div class="card-title">${card.title}</div>
              </div>
              <div class="card-target-date">${card.date.replace(/-/g, '.')}</div>
            </div>

            <div class="card-center-metric">
              <span class="metric-number" style="font-size: ${fontSizeRem}rem;">${displayDays}</span>
              <span class="metric-unit">天</span>
            </div>

            <div class="card-dynamic-body" style="display: ${isTall ? 'flex' : 'none'};">
              <div class="progress-track">
                <div class="progress-fill" style="width: ${progressPct}%;"></div>
              </div>
              <div class="metric-details">
                <span>備考準備期進度:${progressPct}%</span>
                <span>約合 <b>${weeksLeft}</b> 週</span>
              </div>
            </div>

            <div class="card-badge-wrap">
              <div class="status-capsule">${badgeText}</div>
            </div>
          </div>
          <div class="resize-handle"></div>
        `;

        attachTouchAndPointerEvents(el, card);
        ws.appendChild(el);
      });
    }

    // ========================================================
    // 大屏觸控與滑鼠拖曳/縮放核心 (修復卡頓:拖動中不摧毀 DOM)
    // ========================================================
    function attachTouchAndPointerEvents(cardEl, cardData) {
      const resizeHandle = cardEl.querySelector('.resize-handle');

      // 1. 卡片移動拖曳
      cardEl.addEventListener('pointerdown', (e) => {
        if (!isEditing) return;
        if (e.target === resizeHandle || e.target.classList.contains('resize-handle')) return;

        e.preventDefault();
        cardEl.setPointerCapture(e.pointerId);

        let startX = e.clientX;
        let startY = e.clientY;
        let initLeft = cardEl.offsetLeft;
        let initTop = cardEl.offsetTop;
        cardEl.style.zIndex = 100;

        function onPointerMove(ev) {
          if (ev.pointerId !== e.pointerId) return;
          ev.preventDefault();
          const dx = ev.clientX - startX;
          const dy = ev.clientY - startY;
          const newX = Math.max(0, Math.min(window.innerWidth - cardEl.offsetWidth, initLeft + dx));
          const newY = Math.max(0, Math.min(window.innerHeight - cardEl.offsetHeight, initTop + dy));

          cardEl.style.left = `${newX}px`;
          cardEl.style.top = `${newY}px`;
          cardData.x = newX;
          cardData.y = newY;
        }

        function onPointerUp(ev) {
          if (ev.pointerId !== e.pointerId) return;
          try { cardEl.releasePointerCapture(e.pointerId); } catch(err) {}
          cardEl.style.zIndex = '';
          cardEl.removeEventListener('pointermove', onPointerMove);
          cardEl.removeEventListener('pointerup', onPointerUp);
          cardEl.removeEventListener('pointercancel', onPointerUp);
          saveAppData();
        }

        cardEl.addEventListener('pointermove', onPointerMove);
        cardEl.addEventListener('pointerup', onPointerUp);
        cardEl.addEventListener('pointercancel', onPointerUp);
      });

      // 2. 右下角角標拉伸縮放 (流暢優化:即時修改樣式,放開才全面儲存)
      resizeHandle.addEventListener('pointerdown', (e) => {
        if (!isEditing) return;
        e.stopPropagation();
        e.preventDefault();
        resizeHandle.setPointerCapture(e.pointerId);

        let startX = e.clientX;
        let startY = e.clientY;
        let startW = cardEl.offsetWidth;
        let startH = cardEl.offsetHeight;

        const metricNum = cardEl.querySelector('.metric-number');
        const dynamicBody = cardEl.querySelector('.card-dynamic-body');

        function onResizeMove(ev) {
          if (ev.pointerId !== e.pointerId) return;
          ev.preventDefault();

          // 直覺計算全新寬度與高度
          const newW = Math.max(240, startW + (ev.clientX - startX));
          const newH = Math.max(180, startH + (ev.clientY - startY));

          // 直接操作當前卡片樣式,不中斷事件流
          cardEl.style.width = `${newW}px`;
          cardEl.style.height = `${newH}px`;
          cardData.w = newW;
          cardData.h = newH;

          // 動態平滑調整大數字字級
          const isTall = newH >= 360;
          const fontScale = Math.min(newW / 4, newH / (isTall ? 3.8 : 2.5));
          const fontSizeRem = Math.max(2.8, Math.min(fontScale / 16, 7.5));
          if (metricNum) metricNum.style.fontSize = `${fontSizeRem}rem`;

          // 動態顯示/隱藏進度條
          if (dynamicBody) dynamicBody.style.display = isTall ? 'flex' : 'none';
        }

        function onResizeUp(ev) {
          if (ev.pointerId !== e.pointerId) return;
          try { resizeHandle.releasePointerCapture(e.pointerId); } catch(err) {}
          resizeHandle.removeEventListener('pointermove', onResizeMove);
          resizeHandle.removeEventListener('pointerup', onResizeUp);
          resizeHandle.removeEventListener('pointercancel', onResizeUp);
          
          // 手指放開時,保存數據並重新校準極光焦點
          saveAppData();
          renderBoard();
        }

        resizeHandle.addEventListener('pointermove', onResizeMove);
        resizeHandle.addEventListener('pointerup', onResizeUp);
        resizeHandle.addEventListener('pointercancel', onResizeUp);
      });
    }

    // 極光引擎 (多重高亮焦點光暈)
    const canvas = document.getElementById("aurora-canvas");
    const ctx = canvas.getContext("2d");
    let animId = null;
    let step = 0;

    function resizeCanvas() {
      canvas.width = window.innerWidth;
      canvas.height = window.innerHeight;
    }
    window.addEventListener("resize", resizeCanvas);
    resizeCanvas();

    function renderAuroraWaves() {
      ctx.clearRect(0, 0, canvas.width, canvas.height);
      step += 0.008;

      const highlightCards = appState.cards.filter(c => c.highlight);
      const primaryHighlight = highlightCards[0];
      const focalX = primaryHighlight ? (primaryHighlight.x + primaryHighlight.w / 2) : canvas.width * 0.7;
      const focalY = primaryHighlight ? (primaryHighlight.y + primaryHighlight.h / 2) : canvas.height * 0.4;

      const colors = [
        { r: 16, g: 185, b: 129, a: 0.18 },
        { r: 56, g: 189, b: 248, a: 0.22 },
        { r: 168, g: 85, b: 247, a: 0.16 }
      ];

      colors.forEach((col, idx) => {
        ctx.beginPath();
        const baseOffset = idx * 1.5;
        const waveHeight = canvas.height * 0.35;
        
        ctx.moveTo(0, waveHeight);
        for (let x = 0; x <= canvas.width; x += 20) {
          const distToFocus = Math.abs(x - focalX) / canvas.width;
          const pullFactor = Math.sin((x / canvas.width) * Math.PI) * (1 - distToFocus * 0.5);
          
          const y = waveHeight +
            Math.sin(x * 0.003 + step + baseOffset) * 60 +
            Math.cos(x * 0.0015 - step) * 40 +
            (pullFactor * 45);

          ctx.lineTo(x, y);
        }

        ctx.lineTo(canvas.width, 0);
        ctx.lineTo(0, 0);
        ctx.closePath();

        const grad = ctx.createLinearGradient(0, 0, focalX, focalY);
        grad.addColorStop(0, `rgba(${col.r}, ${col.g}, ${col.b}, 0)`);
        grad.addColorStop(0.5, `rgba(${col.r}, ${col.g}, ${col.b}, ${col.a})`);
        grad.addColorStop(1, `rgba(${col.r}, ${col.g}, ${col.b}, 0)`);

        ctx.fillStyle = grad;
        ctx.filter = "blur(35px)";
        ctx.fill();
        ctx.filter = "none";
      });

      highlightCards.forEach(c => {
        const cx = c.x + c.w / 2;
        const cy = c.y + c.h / 2;
        const radGrad = ctx.createRadialGradient(cx, cy, 30, cx, cy, c.w * 0.85);
        radGrad.addColorStop(0, "rgba(251, 191, 36, 0.20)");
        radGrad.addColorStop(0.6, "rgba(56, 189, 248, 0.10)");
        radGrad.addColorStop(1, "rgba(0, 0, 0, 0)");
        
        ctx.beginPath();
        ctx.arc(cx, cy, c.w * 0.85, 0, Math.PI * 2);
        ctx.fillStyle = radGrad;
        ctx.fill();
      });

      if (isClassBreak) {
        animId = requestAnimationFrame(renderAuroraWaves);
      }
    }

    function checkScheduleStatus(now) {
      const curMinutes = now.getHours() * 60 + now.getMinutes();
      let inClass = false;

      for (let slot of appState.schedule) {
        const [start, end] = slot.split("-");
        if (!start || !end) continue;
        const [sh, sm] = start.split(":").map(Number);
        const [eh, em] = end.split(":").map(Number);
        const sMin = sh * 60 + sm;
        const eMin = eh * 60 + em;

        if (curMinutes >= sMin && curMinutes < eMin) {
          inClass = true;
          break;
        }
      }

      const indicator = document.getElementById("periodIndicator");
      if (inClass) {
        isClassBreak = false;
        indicator.textContent = "課堂專注模式";
        indicator.className = "period-indicator";
        canvas.classList.remove("active");
        if (animId) {
          cancelAnimationFrame(animId);
          animId = null;
          ctx.clearRect(0, 0, canvas.width, canvas.height);
        }
      } else {
        isClassBreak = true;
        indicator.textContent = "✦ 下課極光流動";
        indicator.className = "period-indicator break";
        canvas.classList.add("active");
        if (!animId) {
          animId = requestAnimationFrame(renderAuroraWaves);
        }
      }
    }

    function updateClock() {
      const now = new Date();
      const h = String(now.getHours()).padStart(2, '0');
      const m = String(now.getMinutes()).padStart(2, '0');
      const s = String(now.getSeconds()).padStart(2, '0');
      document.getElementById("liveClock").textContent = `${h}:${m}:${s}`;
      checkScheduleStatus(now);
    }
    setInterval(updateClock, 1000);
    updateClock();
    updateDailyQuote();

    function enterEditMode() {
      isEditing = true;
      document.body.classList.add("is-editing");
    }
    function exitEditMode() {
      isEditing = false;
      document.body.classList.remove("is-editing");
      saveAppData();
    }

    function openAdminDrawer() {
      document.getElementById("themeSelect").value = appState.theme;
      document.getElementById("scheduleInput").value = appState.schedule.join("\n");
      renderDrawerEditor();
      document.getElementById("adminDrawer").style.display = "flex";
    }
    function closeAdminDrawer() {
      document.getElementById("adminDrawer").style.display = "none";
    }

    function renderDrawerEditor() {
      const container = document.getElementById("editorItemList");
      container.innerHTML = "";
      appState.cards.forEach((item, index) => {
        const row = document.createElement("div");
        row.className = "item-row";
        row.innerHTML = `
          <div class="item-inputs">
            <input type="text" value="${item.title}" placeholder="名稱" onchange="appState.cards[${index}].title=this.value">
            <input type="date" value="${item.date}" onchange="appState.cards[${index}].date=this.value">
          </div>
          <div style="display:flex; justify-content:space-between; align-items:center;">
            <select onchange="appState.cards[${index}].cat=this.value; renderBoard();">
              <option value="exam" ${item.cat==='exam'?'selected':''}>學業考試 (書本)</option>
              <option value="sports" ${item.cat==='sports'?'selected':''}>運動競賽 (獎盃)</option>
              <option value="event" ${item.cat==='event'?'selected':''}>校慶活動 (旗幟)</option>
              <option value="life" ${item.cat==='life'?'selected':''}>常態生活 (時鐘)</option>
            </select>
            <label style="font-size:0.8rem; color:#cbd5e1; display:flex; align-items:center; gap:4px; cursor:pointer;">
              <input type="checkbox" ${item.highlight ? 'checked':''} onchange="toggleCardHighlight(${index}, this.checked)"> 重要高亮
            </label>
            <button class="btn btn-danger" style="padding:4px 8px;" onclick="removeCard(${index})">刪除</button>
          </div>
        `;
        container.appendChild(row);
      });
    }

    function toggleCardHighlight(idx, isChecked) {
      appState.cards[idx].highlight = isChecked;
      renderBoard();
    }

    function addNewEvent() {
      const todayStr = new Date().toISOString().split('T')[0];
      appState.cards.push({
        id: String(Date.now()),
        title: "新倒數目標",
        date: todayStr,
        cat: "exam",
        highlight: false,
        x: 120 + (appState.cards.length * 30),
        y: 200,
        w: 320,
        h: 260,
        totalSpan: 100
      });
      renderDrawerEditor();
      renderBoard();
    }

    function removeCard(idx) {
      appState.cards.splice(idx, 1);
      renderDrawerEditor();
      renderBoard();
    }

    function saveAllSettings() {
      const scheduleLines = document.getElementById("scheduleInput").value
        .split("\n")
        .map(s => s.trim())
        .filter(s => s.length > 0);
      appState.schedule = scheduleLines;

      saveAppData();
      renderBoard();
      closeAdminDrawer();
    }

    renderBoard();
  </script>



</body></html>
</html>