<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>4 Core Positive Conservation Strategies</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: #f8fafc;
      color: #0f172a;
      padding: 8px 10px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      user-select: none;
      min-height: 100vh;
      max-height: 590px;
      justify-content: space-between;
    }

    /* Strategy Navigation Buttons */
    .nav-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 6px;
      flex-shrink: 0;
    }
    .nav-btn {
      background: #ffffff;
      border: 1.5px solid #cbd5e1;
      border-radius: 8px;
      padding: 6px 3px;
      font-size: 11px;
      font-weight: 700;
      color: #334155;
      cursor: pointer;
      text-align: center;
      transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 2px;
      line-height: 1.2;
    }
    .nav-btn:hover {
      background: #f1f5f9;
      border-color: #94a3b8;
    }
    .nav-btn.active {
      border-color: #0284c7;
      color: #0369a1;
      background: #f0f9ff;
      box-shadow: 0 0 0 1.5px #0284c7;
    }

    /* Main Grid Display */
    .grid-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      grid-template-rows: 1fr 1fr;
      gap: 8px;
      flex: 1;
      min-height: 340px;
      max-height: 460px;
    }

    .panel {
      background: #ffffff;
      border: 1.5px solid #cbd5e1;
      border-radius: 10px;
      padding: 8px 10px;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      cursor: pointer;
      opacity: 0.88;
      transition: opacity 0.4s ease, border-color 0.4s ease, background-color 0.4s ease, box-shadow 0.4s ease;
    }
    .panel:hover {
      opacity: 0.98;
      border-color: #94a3b8;
    }
    .panel.highlight {
      opacity: 1;
      border-color: #0284c7;
      background: #f8fafc;
      box-shadow: 0 0 0 1.5px #0284c7, 0 4px 6px -1px rgba(2, 132, 199, 0.12);
    }
    .panel.dimmed {
      opacity: 0.82;
      background: #ffffff;
    }

    .panel-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 6px;
      z-index: 2;
    }
    .panel-title {
      font-size: 12px;
      font-weight: 700;
      color: #0f172a;
      line-height: 1.25;
      word-break: normal;
      overflow-wrap: break-word;
      flex: 1;
    }
    .badge {
      font-size: 9.5px;
      font-weight: 700;
      padding: 2px 6px;
      border-radius: 999px;
      white-space: nowrap;
      flex-shrink: 0;
      line-height: 1.2;
    }
    .badge-blue {
      background: #e0f2fe;
      color: #0369a1;
      border: 1px solid #bae6fd;
    }
    .badge-green {
      background: #dcfce7;
      color: #15803d;
      border: 1px solid #bbf7d0;
    }
    .badge-amber {
      background: #fef3c7;
      color: #b45309;
      border: 1px solid #fde68a;
    }
    .badge-rose {
      background: #ffe4e6;
      color: #be123c;
      border: 1px solid #fecdd3;
    }

    .stage {
      flex: 1;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-around;
      margin: 4px 0;
      min-height: 62px;
    }

    .panel-caption {
      font-size: 10px;
      line-height: 1.25;
      color: #334155;
      font-weight: 500;
      background: #f1f5f9;
      padding: 4px 6px;
      border-radius: 5px;
      z-index: 2;
    }
    .panel.highlight .panel-caption {
      background: #e0f2fe;
      color: #0369a1;
      font-weight: 600;
    }

    /* Panel 1: Captive Breeding */
    .enclosure {
      width: 44px;
      height: 44px;
      border: 2px dashed #64748b;
      border-radius: 8px;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 19px;
      position: relative;
    }
    .wild-zone {
      width: 52px;
      height: 52px;
      border-radius: 8px;
      background: #dcfce7;
      border: 1.5px solid #4ade80;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 2px;
      font-size: 13px;
    }
    .release-particle {
      position: absolute;
      font-size: 15px;
      animation: releaseAnim 4.8s infinite ease-in-out;
    }
    @keyframes releaseAnim {
      0%, 18% { left: 22%; opacity: 0; transform: scale(0.7); }
      32%, 68% { left: 45%; opacity: 1; transform: scale(1.05); }
      82%, 100% { left: 68%; opacity: 0; transform: scale(0.85); }
    }

    /* Panel 2: Hedgerows */
    .habitat-patch {
      width: 42px;
      height: 50px;
      border-radius: 8px;
      background: #ecfdf5;
      border: 1.5px solid #86efac;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      z-index: 2;
    }
    .hedgerow-bridge {
      position: absolute;
      left: 32px;
      right: 32px;
      height: 15px;
      background: #86efac;
      border: 1.5px dashed #15803d;
      border-radius: 6px;
      z-index: 1;
    }
    .corridor-walker {
      position: absolute;
      font-size: 14px;
      z-index: 3;
      animation: walkAnim 5s infinite ease-in-out alternate;
    }
    @keyframes walkAnim {
      0%, 22% { left: 22%; }
      78%, 100% { left: 66%; }
    }

    /* Panel 3: Peat Bog Rewetting */
    .bog-container {
      width: 100%;
      height: 100%;
      min-height: 64px;
      position: relative;
      border-radius: 6px;
      overflow: hidden;
      background: #fffbeb;
      border: 1px solid #fde68a;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }
    .water-table {
      width: 100%;
      height: 34px;
      background: #0284c7;
      opacity: 0.92;
      display: flex;
      align-items: center;
      justify-content: space-around;
      position: relative;
    }
    .peat-soil {
      width: 100%;
      height: 30px;
      background: #451a03;
      display: flex;
      align-items: center;
      justify-content: space-evenly;
      color: #fef08a;
      font-size: 9.5px;
      font-weight: 700;
    }
    .bog-plant {
      position: absolute;
      top: -15px;
      font-size: 14px;
    }
    .carbon-lock {
      animation: pulseLock 3.8s infinite ease-in-out;
      background: rgba(0, 0, 0, 0.45);
      padding: 1px 5px;
      border-radius: 4px;
      border: 1px solid rgba(254, 240, 138, 0.5);
    }
    @keyframes pulseLock {
      0%, 20%, 80%, 100% { transform: scale(1); opacity: 0.9; }
      45%, 55% { transform: scale(1.06); opacity: 1; }
    }

    /* Panel 4: Marine Quotas & Reserves */
    .reserve-zone {
      width: 54px;
      height: 54px;
      border: 2px solid #dc2626;
      border-radius: 50%;
      background: #e0f2fe;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .no-take-tag {
      position: absolute;
      top: -8px;
      background: #b91c1c;
      color: #ffffff;
      font-size: 8px;
      font-weight: 800;
      padding: 1px 4px;
      border-radius: 4px;
      letter-spacing: 0.3px;
    }
    .spillover-fish {
      position: absolute;
      font-size: 13px;
      font-weight: 700;
      color: #0369a1;
      animation: spillAnim 4.8s infinite ease-in-out;
    }
    @keyframes spillAnim {
      0%, 18% { left: 36%; opacity: 0.2; transform: scale(0.8); }
      35%, 68% { left: 58%; opacity: 1; transform: scale(1.05); }
      82%, 100% { left: 80%; opacity: 0.1; transform: scale(0.9); }
    }

    /* Interactive Stepper Footer */
    .footer-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #ffffff;
      border: 1.5px solid #cbd5e1;
      border-radius: 8px;
      padding: 5px 10px;
      gap: 8px;
      flex-shrink: 0;
    }
    .play-btn {
      background: #f1f5f9;
      border: 1px solid #94a3b8;
      border-radius: 6px;
      padding: 4px 10px;
      font-size: 11px;
      font-weight: 700;
      color: #1e293b;
      cursor: pointer;
      transition: background-color 0.2s, border-color 0.2s;
    }
    .play-btn:hover {
      background: #e2e8f0;
      border-color: #64748b;
    }
    .dots-group {
      display: flex;
      gap: 7px;
      align-items: center;
    }
    .dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: #cbd5e1;
      cursor: pointer;
      transition: background-color 0.25s, transform 0.2s;
    }
    .dot:hover {
      background: #94a3b8;
    }
    .dot.active {
      background: #0284c7;
    }

    @media (max-width: 380px) {
      body {
        padding: 5px 6px;
        gap: 6px;
      }
      .nav-bar {
        gap: 4px;
      }
      .nav-btn {
        font-size: 9.5px;
        padding: 4px 1px;
      }
      .panel {
        padding: 6px 7px;
      }
      .panel-title {
        font-size: 11px;
      }
      .badge {
        font-size: 8.5px;
        padding: 1px 4px;
      }
      .panel-caption {
        font-size: 9px;
        padding: 3px 4px;
      }
    }
  </style>
</head>
<body>

  
  <div class="nav-bar">
    <button class="nav-btn active" id="nav-0" onclick="userSelectStrategy(0)">
      <span>🧬</span>
      <span>Breeding</span>
    </button>
    <button class="nav-btn" id="nav-1" onclick="userSelectStrategy(1)">
      <span>🌿</span>
      <span>Corridors</span>
    </button>
    <button class="nav-btn" id="nav-2" onclick="userSelectStrategy(2)">
      <span>💧</span>
      <span>Rewetting</span>
    </button>
    <button class="nav-btn" id="nav-3" onclick="userSelectStrategy(3)">
      <span>🐟</span>
      <span>Reserves</span>
    </button>
  </div>

  
  <div class="grid-container">

    
    <div class="panel highlight" id="panel-0" onclick="userSelectStrategy(0)">
      <div class="panel-header">
        <span class="panel-title">Captive Breeding</span>
        <span class="badge badge-blue">Gene Pool</span>
      </div>
      <div class="stage">
        <div class="enclosure" title="Controlled Enclosure">🏛️</div>
        <div class="release-particle">🦌</div>
        <div class="wild-zone" title="Wild Ecosystem">
          <span>🌲</span>
          <span>🦌</span>
        </div>
      </div>
      <div class="panel-caption">Preserves genetic diversity & reintroduces species</div>
    </div>

    
    <div class="panel dimmed" id="panel-1" onclick="userSelectStrategy(1)">
      <div class="panel-header">
        <span class="panel-title">Hedgerows</span>
        <span class="badge badge-green">Gene Flow</span>
      </div>
      <div class="stage">
        <div class="habitat-patch" title="Patch A">🌳<br>🦊</div>
        <div class="hedgerow-bridge"></div>
        <div class="corridor-walker">🐝</div>
        <div class="habitat-patch" title="Patch B">🌳<br>🦔</div>
      </div>
      <div class="panel-caption">Connects isolated patches for pollinators & mammals</div>
    </div>

    
    <div class="panel dimmed" id="panel-2" onclick="userSelectStrategy(2)">
      <div class="panel-header">
        <span class="panel-title">Peat Rewetting</span>
        <span class="badge badge-amber">Locked CO₂</span>
      </div>
      <div class="stage">
        <div class="bog-container">
          <div class="water-table">
            <div class="bog-plant" style="left: 14%;">🌾</div>
            <div class="bog-plant" style="left: 68%;">🌱</div>
            <span style="font-size: 10px; color: #ffffff; font-weight: 700; text-shadow: 0 1px 2px rgba(0,0,0,0.5);">💧 Raised Water</span>
          </div>
          <div class="peat-soil">
            <span class="carbon-lock">🔒 CO₂</span>
            <span class="carbon-lock">🔒 CO₂</span>
          </div>
        </div>
      </div>
      <div class="panel-caption">Raises water table to lock carbon & revive bogs</div>
    </div>

    
    <div class="panel dimmed" id="panel-3" onclick="userSelectStrategy(3)">
      <div class="panel-header">
        <span class="panel-title">Marine Reserves</span>
        <span class="badge badge-rose">Nursery</span>
      </div>
      <div class="stage">
        <div class="reserve-zone" title="Protected Nursery Zone">
          <div class="no-take-tag">RESERVE</div>
          <span style="font-size: 17px;">🪸🦐</span>
        </div>
        <div class="spillover-fish">🐟 ➔</div>
        <div style="font-size: 19px; opacity: 0.9;" title="Sustainable Fishery">⛵</div>
      </div>
      <div class="panel-caption">Legal caps protect nurseries & support spillover</div>
    </div>

  </div>

  
  <div class="footer-bar">
    <button class="play-btn" id="playToggle" onclick="toggleAutoPlay()">⏸ Pause</button>
    <div class="dots-group">
      <div class="dot active" id="dot-0" onclick="userSelectStrategy(0)"></div>
      <div class="dot" id="dot-1" onclick="userSelectStrategy(1)"></div>
      <div class="dot" id="dot-2" onclick="userSelectStrategy(2)"></div>
      <div class="dot" id="dot-3" onclick="userSelectStrategy(3)"></div>
    </div>
  </div>

  <script>
    let currentIndex = 0;
    let isPlaying = true;
    let timer = null;
    let lastTransitionTime = 0;

    function applyState(idx) {
      currentIndex = idx;
      const panels = document.querySelectorAll('.panel');
      const navBtns = document.querySelectorAll('.nav-btn');
      const dots = document.querySelectorAll('.dot');

      panels.forEach((p, i) => {
        if (i === idx) {
          p.classList.add('highlight');
          p.classList.remove('dimmed');
        } else {
          p.classList.remove('highlight');
          p.classList.add('dimmed');
        }
      });

      navBtns.forEach((btn, i) => {
        btn.classList.toggle('active', i === idx);
      });

      dots.forEach((dot, i) => {
        dot.classList.toggle('active', i === idx);
      });

      lastTransitionTime = Date.now();
    }

    function selectStrategy(idx) {
      applyState(idx);
    }

    function userSelectStrategy(idx) {
      const now = Date.now();
      if (now - lastTransitionTime < 500) {
        return; // Guard against rapid clicking & flickering
      }
      selectStrategy(idx);
      if (isPlaying) {
        stopTimer();
        startTimer();
      }
    }

    function nextStep() {
      const nextIndex = (currentIndex + 1) % 4;
      selectStrategy(nextIndex);
    }

    function startTimer() {
      // Paced cycle: holds each state for 4000ms
      timer = setInterval(nextStep, 4000);
    }

    function stopTimer() {
      if (timer) {
        clearInterval(timer);
        timer = null;
      }
    }

    function toggleAutoPlay() {
      isPlaying = !isPlaying;
      const btn = document.getElementById('playToggle');
      if (isPlaying) {
        btn.textContent = '⏸ Pause';
        startTimer();
      } else {
        btn.textContent = '▶ Play';
        stopTimer();
      }
    }

    // Initialize Auto-play
    startTimer();
  </script>
</body>
</html>

Evaluating Positive and Negative Human Environmental Actions

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <title>Ecosystem Trade-offs</title>
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #1e2945;
      background: #ffffff;
      padding: 12px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      user-select: none;
    }

    /* State Selector Tabs */
    .tabs {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 6px;
    }
    .tab-btn {
      background: #f1f5f9;
      border: 2px solid transparent;
      border-radius: 8px;
      padding: 8px 4px;
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 2px;
      text-align: center;
      transition: background 0.2s, color 0.2s, border-color 0.2s;
    }
    .tab-btn .icon { font-size: 18px; line-height: 1; }
    .tab-btn.active {
      background: #e0f2fe;
      color: #0369a1;
      border-color: #0284c7;
    }

    /* Overall Summary Metric Pill */
    .summary-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      padding: 8px 12px;
      font-size: 13px;
      font-weight: 600;
    }
    .badge {
      padding: 2px 8px;
      border-radius: 12px;
      font-size: 12px;
      font-weight: 700;
    }
    .badge-eco { background: #dcfce7; color: #15803d; }
    .badge-econ { background: #fef3c7; color: #b45309; }

    /* Bar Chart Container */
    .chart-container {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .metric-group {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .metric-header {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      font-weight: 600;
      color: #334155;
    }
    .metric-header .val {
      font-variant-numeric: tabular-nums;
      font-weight: 700;
    }
    .bar-bg {
      background: #f1f5f9;
      height: 20px;
      border-radius: 6px;
      overflow: hidden;
      position: relative;
    }
    .bar-fill {
      height: 100%;
      border-radius: 6px;
      width: 0%;
      transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.4s ease;
    }

    /* Target Comparison Tick Marker (Ghost comparison) */
    .all-mode-bars {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 4px;
      margin-top: 2px;
    }
    .mini-bar-slot {
      height: 4px;
      background: #e2e8f0;
      border-radius: 2px;
      overflow: hidden;
    }
    .mini-fill {
      height: 100%;
      transition: width 0.4s ease;
    }
  </style>
</head>
<body>

  
  <div class="tabs">
    <button class="tab-btn active" id="tab0" onclick="setState(0)">
      <span class="icon">🌿</span>
      <span>1. Native Marsh</span>
    </button>
    <button class="tab-btn" id="tab1" onclick="setState(1)">
      <span class="icon">🚜</span>
      <span>2. Farmland</span>
    </button>
    <button class="tab-btn" id="tab2" onclick="setState(2)">
      <span class="icon">🌱</span>
      <span>3. Remediated</span>
    </button>
  </div>

  
  <div class="summary-row">
    <span id="stateName">Native Salt Marsh</span>
    <span id="balanceBadge" class="badge badge-eco">Ecological Dominance</span>
  </div>

  
  <div class="chart-container">
    
    <div class="metric-group">
      <div class="metric-header">
        <span>🐾 Biodiversity Index</span>
        <span class="val" id="val0">95 / 100</span>
      </div>
      <div class="bar-bg">
        <div class="bar-fill" id="bar0" style="width: 95%; background-color: #10b981;"></div>
      </div>
    </div>

    
    <div class="metric-group">
      <div class="metric-header">
        <span>🌊 Flood Buffer</span>
        <span class="val" id="val1">90 / 100</span>
      </div>
      <div class="bar-bg">
        <div class="bar-fill" id="bar1" style="width: 90%; background-color: #06b6d4;"></div>
      </div>
    </div>

    
    <div class="metric-group">
      <div class="metric-header">
        <span>💨 Carbon Storage</span>
        <span class="val" id="val2">85 / 100</span>
      </div>
      <div class="bar-bg">
        <div class="bar-fill" id="bar2" style="width: 85%; background-color: #3b82f6;"></div>
      </div>
    </div>

    
    <div class="metric-group">
      <div class="metric-header">
        <span>🌾 Food / Yield</span>
        <span class="val" id="val3">15 / 100</span>
      </div>
      <div class="bar-bg">
        <div class="bar-fill" id="bar3" style="width: 15%; background-color: #f59e0b;"></div>
      </div>
    </div>
  </div>

  <script>
    const states = [
      {
        name: "Pristine Salt Marsh",
        badge: "Eco Surplus",
        badgeClass: "badge-eco",
        scores: [95, 90, 85, 15],
        colors: ["#10b981", "#06b6d4", "#3b82f6", "#f59e0b"]
      },
      {
        name: "Drained Farmland",
        badge: "Yield Surplus",
        badgeClass: "badge-econ",
        scores: [20, 15, 10, 95],
        colors: ["#94a3b8", "#94a3b8", "#94a3b8", "#f59e0b"]
      },
      {
        name: "Remediated (10yr Post)",
        badge: "Balanced Recovery",
        badgeClass: "badge-eco",
        scores: [80, 75, 70, 30],
        colors: ["#34d399", "#38bdf8", "#60a5fa", "#fbbf24"]
      }
    ];

    function setState(idx) {
      for (let i = 0; i < 3; i++) {
        document.getElementById(`tab${i}`).classList.toggle('active', i === idx);
      }

      const st = states[idx];
      document.getElementById('stateName').textContent = st.name;
      
      const badge = document.getElementById('balanceBadge');
      badge.textContent = st.badge;
      badge.className = `badge ${st.badgeClass}`;

      for (let i = 0; i < 4; i++) {
        const bar = document.getElementById(`bar${i}`);
        const val = document.getElementById(`val${i}`);
        const score = st.scores[i];
        bar.style.width = score + '%';
        bar.style.backgroundColor = st.colors[i];
        val.textContent = score + ' / 100';
      }
    }
  </script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, sans-serif;
      background: #ffffff;
      color: #1e2945;
      padding: 12px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      user-select: none;
    }
    .grid-drivers {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
    }
    .driver-btn {
      background: #f8fafc;
      border: 2px solid #e2e8f0;
      border-radius: 10px;
      padding: 10px 8px;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
      color: #475569;
      transition: all 0.25s ease;
      text-align: left;
    }
    .driver-btn .icon {
      font-size: 20px;
      line-height: 1;
    }
    .driver-btn.active {
      background: #eff6ff;
      border-color: #22b7ff;
      color: #0369a1;
      box-shadow: 0 2px 6px rgba(34, 183, 255, 0.2);
    }
    .impact-panel {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 14px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .metric-row {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .metric-header {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      font-weight: 600;
      color: #64748b;
    }
    .metric-val {
      font-weight: 700;
      color: #dc2626;
    }
    .bar-bg {
      width: 100%;
      height: 14px;
      background: #e2e8f0;
      border-radius: 7px;
      overflow: hidden;
      position: relative;
    }
    .bar-fill {
      height: 100%;
      border-radius: 7px;
      transition: width 0.4s ease, background-color 0.4s ease;
      width: 50%;
    }
    .status-summary {
      display: flex;
      align-items: center;
      justify-content: space-around;
      padding-top: 6px;
      border-top: 1px dashed #cbd5e1;
      font-size: 12px;
      font-weight: 600;
    }
    .badge {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 4px 8px;
      border-radius: 6px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
    }
  </style>
</head>
<body>

  <div class="grid-drivers">
    <button class="driver-btn active" data-idx="0">
      <span class="icon">🪓</span>
      <span>Deforestation</span>
    </button>
    <button class="driver-btn" data-idx="1">
      <span class="icon">🌾</span>
      <span>Peat Draining</span>
    </button>
    <button class="driver-btn" data-idx="2">
      <span class="icon">🚜</span>
      <span>Monoculture</span>
    </button>
    <button class="driver-btn" data-idx="3">
      <span class="icon">🧪</span>
      <span>Pollution</span>
    </button>
  </div>

  <div class="impact-panel">
    <div class="metric-row">
      <div class="metric-header">
        <span>Species Richness</span>
        <span class="metric-val" id="richness-val">-78%</span>
      </div>
      <div class="bar-bg">
        <div class="bar-fill" id="richness-bar" style="width: 22%; background-color: #ef4444;"></div>
      </div>
    </div>

    <div class="metric-row">
      <div class="metric-header">
        <span>Carbon Storage</span>
        <span class="metric-val" id="carbon-val">-85%</span>
      </div>
      <div class="bar-bg">
        <div class="bar-fill" id="carbon-bar" style="width: 15%; background-color: #dc2626;"></div>
      </div>
    </div>

    <div class="metric-row">
      <div class="metric-header">
        <span>Food Web Stability</span>
        <span class="metric-val" id="trophic-val">-60%</span>
      </div>
      <div class="bar-bg">
        <div class="bar-fill" id="trophic-bar" style="width: 40%; background-color: #f97316;"></div>
      </div>
    </div>

    <div class="status-summary">
      <div class="badge" id="tag-1"><span>🧬</span> <span id="tag-1-text">Gene Pool Fragmented</span></div>
      <div class="badge" id="tag-2"><span>⚠️</span> <span id="tag-2-text">Habitat Severed</span></div>
    </div>
  </div>

  <script>
    const data = [
      {
        richness: { val: "-78%", pct: 22, color: "#ef4444" },
        carbon: { val: "-85%", pct: 15, color: "#dc2626" },
        trophic: { val: "-60%", pct: 40, color: "#f97316" },
        tags: ["🧬 Gene Pool Fragmented", "⚠️ Habitat Severed"]
      },
      {
        richness: { val: "-65%", pct: 35, color: "#f97316" },
        carbon: { val: "-95%", pct: 5, color: "#991b1b" },
        trophic: { val: "-50%", pct: 50, color: "#eab308" },
        tags: ["🔥 CO₂ Released", "🌾 Moss Bog Destroyed"]
      },
      {
        richness: { val: "-82%", pct: 18, color: "#ef4444" },
        carbon: { val: "-35%", pct: 65, color: "#eab308" },
        trophic: { val: "-88%", pct: 12, color: "#dc2626" },
        tags: ["🐝 Pollinators Lost", "📉 Trophic Collapse"]
      },
      {
        richness: { val: "-70%", pct: 30, color: "#f97316" },
        carbon: { val: "-40%", pct: 60, color: "#eab308" },
        trophic: { val: "-92%", pct: 8, color: "#991b1b" },
        tags: ["☠️ Bioaccumulation", "🌊 Dead Zones"]
      }
    ];

    const btns = document.querySelectorAll('.driver-btn');
    const rVal = document.getElementById('richness-val');
    const rBar = document.getElementById('richness-bar');
    const cVal = document.getElementById('carbon-val');
    const cBar = document.getElementById('carbon-bar');
    const tVal = document.getElementById('trophic-val');
    const tBar = document.getElementById('trophic-bar');
    const tag1 = document.getElementById('tag-1');
    const tag2 = document.getElementById('tag-2');

    function showDriver(idx) {
      btns.forEach((b, i) => b.classList.toggle('active', i === idx));
      const cur = data[idx];
      
      rVal.textContent = cur.richness.val;
      rBar.style.width = cur.richness.pct + '%';
      rBar.style.backgroundColor = cur.richness.color;

      cVal.textContent = cur.carbon.val;
      cBar.style.width = cur.carbon.pct + '%';
      cBar.style.backgroundColor = cur.carbon.color;

      tVal.textContent = cur.trophic.val;
      tBar.style.width = cur.trophic.pct + '%';
      tBar.style.backgroundColor = cur.trophic.color;

      tag1.textContent = cur.tags[0];
      tag2.textContent = cur.tags[1];
    }

    btns.forEach((btn, i) => {
      btn.addEventListener('click', () => showDriver(i));
    });
  </script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Monoculture vs Diverse Native Ecosystem</title>
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      color: #1e293b;
      background: transparent;
      padding: 6px;
      line-height: 1.3;
    }

    .comparison-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      width: 100%;
      max-width: 800px;
      margin: 0 auto;
    }

    @media (max-width: 580px) {
      .comparison-grid {
        grid-template-columns: 1fr;
        gap: 8px;
      }
    }

    .ecosystem-panel {
      position: relative;
      border-radius: 10px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 360px;
      border: 1px solid #cbd5e1;
      background: #ffffff;
    }

    @media (max-width: 580px) {
      .ecosystem-panel {
        height: 270px;
      }
    }

    .panel-header {
      padding: 6px 10px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      z-index: 5;
      background: rgba(255, 255, 255, 0.98);
      border-bottom: 1px solid #e2e8f0;
      gap: 4px;
    }

    .panel-title {
      font-weight: 700;
      font-size: 12.5px;
      display: flex;
      align-items: center;
      gap: 5px;
      color: #0f172a;
    }

    .tradeoff-tag {
      font-size: 10px;
      font-weight: 600;
      padding: 3px 7px;
      border-radius: 6px;
      line-height: 1.25;
      text-align: right;
    }

    .tag-mono {
      background: #fef3c7;
      color: #92400e;
      border: 1px solid #fde68a;
    }

    .tag-diverse {
      background: #dcfce7;
      color: #166534;
      border: 1px solid #bbf7d0;
    }

    .scene {
      position: relative;
      flex: 1;
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }

    /* Sky Layers */
    .sky-mono {
      flex: 1.8;
      background: linear-gradient(180deg, #e0f2fe 0%, #f1f5f9 100%);
      position: relative;
      min-height: 55px;
    }

    .sky-diverse {
      flex: 1.8;
      background: linear-gradient(180deg, #bae6fd 0%, #e0f2fe 100%);
      position: relative;
      min-height: 55px;
    }

    /* Badges */
    .species-badge {
      position: absolute;
      top: 8px;
      left: 8px;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 5px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.06);
      z-index: 10;
      line-height: 1.2;
    }

    .badge-mono {
      background: #fee2e2;
      color: #991b1b;
      border: 1px solid #fecaca;
    }

    .badge-diverse {
      background: #dcfce7;
      color: #15803d;
      border: 1px solid #86efac;
    }

    /* Sky Objects */
    .sun-icon {
      position: absolute;
      right: 10px;
      top: 8px;
      font-size: 18px;
      line-height: 1;
    }

    .bird-flight {
      position: absolute;
      right: 22%;
      top: 10px;
      font-size: 16px;
      line-height: 1;
      animation: birdGlide 6s ease-in-out infinite alternate;
    }

    @keyframes birdGlide {
      0% { transform: translate(0, 0); }
      100% { transform: translate(-25px, 8px); }
    }

    .bee-hover {
      position: absolute;
      right: 48%;
      top: 28px;
      font-size: 14px;
      line-height: 1;
      animation: beeHover 4s ease-in-out infinite alternate;
    }

    @keyframes beeHover {
      0% { transform: translateY(0) rotate(0deg); }
      100% { transform: translateY(-5px) rotate(6deg); }
    }

    /* Land Layers */
    .land-mono {
      flex: 2.8;
      background: #fef08a;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-evenly;
      align-items: center;
      border-top: 2px solid #ca8a04;
      padding: 2px 0;
    }

    .land-diverse {
      flex: 2.8;
      background: linear-gradient(180deg, #86efac 0%, #4ade80 100%);
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-evenly;
      padding: 2px 6px;
      border-top: 2px solid #16a34a;
    }

    .crop-row {
      display: flex;
      justify-content: space-around;
      width: 94%;
      font-size: 18px;
      letter-spacing: 2px;
      line-height: 1;
    }

    .wild-row {
      display: flex;
      justify-content: space-around;
      font-size: 16px;
      align-items: center;
      line-height: 1;
    }

    .hedgerow-notice {
      position: absolute;
      top: 3px;
      right: 6px;
      font-size: 8.5px;
      font-weight: 700;
      color: #854d0e;
      background: rgba(254, 240, 138, 0.95);
      padding: 1px 5px;
      border-radius: 4px;
      border: 1px dashed #ca8a04;
    }

    .hedgerow-present {
      position: absolute;
      top: 3px;
      right: 6px;
      font-size: 8.5px;
      font-weight: 700;
      color: #14532d;
      background: rgba(220, 252, 231, 0.95);
      padding: 1px 5px;
      border-radius: 4px;
      border: 1px solid #86efac;
    }

    /* Water Layers */
    .water-mono {
      flex: 1.8;
      background: linear-gradient(180deg, #9ca3af 0%, #4b5563 100%);
      position: relative;
      border-top: 2px dashed #b45309;
      min-height: 58px;
    }

    .water-diverse {
      flex: 1.8;
      background: linear-gradient(180deg, #38bdf8 0%, #0284c7 100%);
      position: relative;
      border-top: 2px solid #0284c7;
      min-height: 58px;
    }

    .runoff-indicator {
      position: absolute;
      left: 8px;
      top: 6px;
      font-size: 9.5px;
      font-weight: 700;
      color: #fef08a;
      background: rgba(0, 0, 0, 0.55);
      padding: 2px 5px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      gap: 3px;
    }

    .eutrophication-badge {
      position: absolute;
      bottom: 6px;
      right: 6px;
      font-size: 9px;
      font-weight: 800;
      background: #7f1d1d;
      color: #ffffff;
      padding: 2px 6px;
      border-radius: 4px;
      letter-spacing: 0.3px;
      text-transform: uppercase;
      animation: gentlePulse 4s ease-in-out infinite alternate;
    }

    @keyframes gentlePulse {
      0% { opacity: 0.95; }
      100% { opacity: 0.7; }
    }

    .dead-fish {
      position: absolute;
      right: 32%;
      top: 32%;
      font-size: 16px;
      transform: rotate(180deg);
      opacity: 0.85;
    }

    .murky-bubble {
      position: absolute;
      right: 18%;
      top: 32%;
      font-size: 12px;
      opacity: 0.7;
      animation: gentleFloat 3.5s ease-in-out infinite alternate;
    }

    @keyframes gentleFloat {
      0% { transform: translateY(0); }
      100% { transform: translateY(-4px); }
    }

    .water-element-clean {
      position: absolute;
      left: 15%;
      top: 26%;
      font-size: 15px;
      animation: gentleSwim 5s ease-in-out infinite alternate;
    }

    @keyframes gentleSwim {
      0% { transform: translateX(0); }
      100% { transform: translateX(28px); }
    }

    .stream-label {
      position: absolute;
      bottom: 6px;
      left: 8px;
      font-size: 9px;
      font-weight: 700;
      color: #0369a1;
      background: rgba(255, 255, 255, 0.9);
      padding: 2px 5px;
      border-radius: 4px;
    }
  </style>
</head>
<body>

  <div class="comparison-grid">
    
    <div class="ecosystem-panel">
      <div class="panel-header">
        <span class="panel-title">🌾 Intensive Monoculture</span>
        <span class="tradeoff-tag tag-mono">High Food Output ($)</span>
      </div>

      <div class="scene">
        
        <div class="sky-mono">
          <div class="species-badge badge-mono">2 Species</div>
          <div class="sun-icon" title="Sun">☀️</div>
        </div>

        
        <div class="land-mono">
          <div class="hedgerow-notice">Hedgerows Removed ✖</div>
          <div class="crop-row">🌾🌾🌾🌾🌾</div>
          <div class="crop-row">🌾🌾🌾🌾🌾</div>
          <div class="crop-row">🌾🌾🌾🌾🌾</div>
        </div>

        
        <div class="water-mono">
          <div class="runoff-indicator">🧪 Synthetic Runoff</div>
          <div class="dead-fish" title="Oxygen Depletion (Dead Fish)">🐟</div>
          <div class="murky-bubble">🫧</div>
          <div class="eutrophication-badge">⚠ Eutrophication</div>
        </div>
      </div>
    </div>

    
    <div class="ecosystem-panel">
      <div class="panel-header">
        <span class="panel-title">🌿 Diverse Native Ecosystem</span>
        <span class="tradeoff-tag tag-diverse">High Ecosystem Stability & Pollinators</span>
      </div>

      <div class="scene">
        
        <div class="sky-diverse">
          <div class="species-badge badge-diverse">45+ Species</div>
          <div class="bird-flight" title="Nesting Songbird">🐦</div>
          <div class="bee-hover" title="Pollinating Bee">🐝</div>
          <div class="sun-icon" title="Sun">🌤️</div>
        </div>

        
        <div class="land-diverse">
          <div class="hedgerow-present">Flowering Hedgerows ✔</div>
          <div class="wild-row">🌳 🌸 🌿 🌼 🌳</div>
          <div class="wild-row">🌼 🦋 🌷 🌿 🌸</div>
          <div class="wild-row">🌿 🦔 🌸 🌼 🌿</div>
        </div>

        
        <div class="water-diverse">
          <div class="water-element-clean" title="Healthy Aquatic Habitat">🐟 🫧</div>
          <div style="position: absolute; right: 14%; top: 28%; font-size: 15px;">🌱 🌿</div>
          <div class="stream-label">Clear Stream Ecosystem</div>
        </div>
      </div>
    </div>
  </div>

</body>
</html>

Weighing Positive and Negative Effects on Local Ecosystems

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <title>Hydroelectric Dam Ecosystem Impacts</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      color: #1e2945;
      background: #ffffff;
      padding: 12px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    /* Tab Switcher */
    .controls {
      display: flex;
      justify-content: center;
      gap: 6px;
    }
    .btn-toggle {
      border: 1px solid #cbd5e1;
      background: #f8fafc;
      color: #475569;
      padding: 6px 12px;
      font-size: 13px;
      font-weight: 600;
      border-radius: 20px;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .btn-toggle:hover {
      background: #f1f5f9;
    }
    .btn-toggle.active {
      background: #0284c7;
      color: #ffffff;
      border-color: #0284c7;
    }
    .btn-toggle.btn-pro.active {
      background: #16a34a;
      border-color: #16a34a;
    }
    .btn-toggle.btn-con.active {
      background: #dc2626;
      border-color: #dc2626;
    }

    /* Diagram Area */
    .svg-container {
      width: 100%;
      position: relative;
      background: #f0f9ff;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid #e2e8f0;
    }
    svg {
      display: block;
      width: 100%;
      height: auto;
    }

    /* Annotations & SVG Elements */
    .feature-group {
      cursor: pointer;
      transition: opacity 0.3s ease, filter 0.3s ease;
    }
    .feature-group.dimmed {
      opacity: 0.2;
    }
    .feature-group.highlighted {
      filter: drop-shadow(0 0 4px rgba(2, 132, 199, 0.6));
    }

    .badge-label {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: -0.2px;
    }
    .flow-line {
      stroke-dasharray: 6 4;
      animation: dash 1.5s linear infinite;
    }
    @keyframes dash {
      to {
        stroke-dashoffset: -20;
      }
    }
    .bubble {
      animation: rise 3s ease-in infinite;
    }
    @keyframes rise {
      0% { transform: translateY(0); opacity: 0; }
      50% { opacity: 0.8; }
      100% { transform: translateY(-35px); opacity: 0; }
    }

    /* Info Drawer */
    .drawer {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    @media (max-width: 480px) {
      .drawer {
        grid-template-columns: 1fr;
      }
    }
    .impact-card {
      padding: 10px 12px;
      border-radius: 8px;
      border: 1px solid #e2e8f0;
      background: #f8fafc;
      transition: all 0.2s ease;
    }
    .impact-card.pro {
      border-left: 4px solid #16a34a;
    }
    .impact-card.con {
      border-left: 4px solid #dc2626;
    }
    .impact-card.active-card {
      background: #ffffff;
      box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    }
    .impact-card.dimmed-card {
      opacity: 0.35;
    }

    .card-title {
      font-size: 13px;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 5px;
      margin-bottom: 4px;
    }
    .card-title.pro-title { color: #15803d; }
    .card-title.con-title { color: #b91c1c; }

    .card-list {
      list-style: none;
      font-size: 12px;
      color: #334155;
      line-height: 1.4;
    }
    .card-list li {
      margin-bottom: 2px;
      display: flex;
      align-items: flex-start;
      gap: 4px;
    }
  </style>
</head>
<body>

  
  <div class="controls">
    <button class="btn-toggle active" onclick="setFilter('all', this)">All Impacts</button>
    <button class="btn-toggle btn-pro" onclick="setFilter('pro', this)">⚡ Benefits (Pros)</button>
    <button class="btn-toggle btn-con" onclick="setFilter('con', this)">⚠️ Ecological Costs (Cons)</button>
  </div>

  
  <div class="svg-container">
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      <text x="322" y="216" text-anchor="middle" font-size="12" fill="#ffffff">⚙️</text>

      
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      <path d="M500,240 L550,240" stroke="#bae6fd" stroke-width="1.5" stroke-linecap="round" class="flow-line" />

      

      
      <g id="grp-reservoir" class="feature-group" data-type="con">
        
        <path d="M50,228 L50,195 L58,195 L58,229 M44,205 L50,212 M58,208 L64,202" stroke="#451a03" stroke-width="2.5" fill="none" stroke-linecap="round" />
        <path d="M110,233 L110,205 L117,205 L117,234 M105,215 L110,220" stroke="#451a03" stroke-width="2" fill="none" stroke-linecap="round" />
        
        
        <g class="bubble">
          <circle cx="54" cy="185" r="3" fill="#ffffff" opacity="0.7" />
          <circle cx="58" cy="175" r="2" fill="#ffffff" opacity="0.7" />
          <circle cx="114" cy="195" r="3" fill="#ffffff" opacity="0.7" />
          <text x="70" y="180" font-size="10" font-weight="700" fill="#ffffff">CH₄ 🫧</text>
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        <rect x="15" y="100" width="165" height="22" rx="4" fill="#ffffff" stroke="#dc2626" stroke-width="1.5" />
        <text x="97" y="115" text-anchor="middle" fill="#991b1b" class="badge-label">Flooded Forest Habitat &amp; Methane</text>
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      <g id="grp-power" class="feature-group" data-type="pro">
        
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        <text x="310" y="57" text-anchor="middle" fill="#15803d" class="badge-label">Clean Renewable Electricity</text>
      </g>

      
      <g id="grp-fish" class="feature-group" data-type="con">
        
        <g transform="translate(415, 235)">
          <path d="M18,0 C10,-6 0,-2 -10,-5 L-14,-10 L-12,0 L-14,10 L-10,5 C0,2 10,6 18,0 Z" fill="#ea580c" />
          <circle cx="12" cy="-2" r="1.5" fill="#ffffff" />
          <path d="M4,2 L-2,5" stroke="#c2410c" stroke-width="1" />
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        <circle cx="380" cy="235" r="9" fill="#dc2626" />
        <text x="380" y="239" text-anchor="middle" font-size="11" font-weight="900" fill="#ffffff">!</text>

        
        <rect x="375" y="175" width="145" height="22" rx="4" fill="#ffffff" stroke="#dc2626" stroke-width="1.5" />
        <text x="447" y="190" text-anchor="middle" fill="#991b1b" class="badge-label">Blocked Migratory Route</text>
      </g>

      
      <g id="grp-silt" class="feature-group" data-type="con">
        
        <rect x="420" y="280" width="150" height="14" rx="3" fill="#e7e5e4" stroke="#a8a29e" stroke-dasharray="3 2" />
        <text x="495" y="291" text-anchor="middle" font-size="9" font-weight="700" fill="#78716c">Reduced Sediment &amp; Nutrients</text>
        
        
        <rect x="430" y="125" width="155" height="22" rx="4" fill="#ffffff" stroke="#d97706" stroke-width="1.5" />
        <text x="507" y="140" text-anchor="middle" fill="#b45309" class="badge-label">Altered Silt &amp; Nutrient Flow</text>
      </g>

    </svg>
  </div>

  
  <div class="drawer">
    <div class="impact-card pro" id="card-pro">
      <div class="card-title pro-title">
        <span>⚡</span> Environmental &amp; Human Benefits
      </div>
      <ul class="card-list">
        <li><strong>Renewable Power:</strong> Zero carbon during electricity generation.</li>
        <li><strong>Flood Control:</strong> Regulates seasonal downstream surges.</li>
      </ul>
    </div>

    <div class="impact-card con" id="card-con">
      <div class="card-title con-title">
        <span>⚠️</span> Ecological Costs &amp; Drawbacks
      </div>
      <ul class="card-list">
        <li><strong>Habitat Inundation:</strong> Drowned vegetation rots, releasing CH₄.</li>
        <li><strong>Barrier to Spawning:</strong> Prevents salmon swimming upstream.</li>
      </ul>
    </div>
  </div>

  <script>
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</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, sans-serif;
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      color: #1e2945;
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      max-width: 480px;
      margin-bottom: 10px;
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    .tab-btn {
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      padding: 8px 4px;
      font-size: 13px;
      font-weight: 600;
      text-align: center;
      background: #f1f5f9;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      color: #64748b;
      cursor: pointer;
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      white-space: nowrap;
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      background: #22b7ff;
      color: #ffffff;
      border-color: #22b7ff;
      box-shadow: 0 2px 6px rgba(34, 183, 255, 0.3);
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    /* Scene Container */
    .viewport {
      position: relative;
      width: 100%;
      max-width: 480px;
      height: 230px;
      background: #f8fafc;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid #e2e8f0;
    }

    .scene {
      position: absolute;
      inset: 0;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .scene.active {
      opacity: 1;
      pointer-events: auto;
    }

    /* Badges & Metrics Bar */
    .info-bar {
      width: 100%;
      max-width: 480px;
      display: flex;
      gap: 8px;
      margin-top: 8px;
    }
    .badge {
      flex: 1;
      padding: 8px 10px;
      border-radius: 8px;
      font-size: 12px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      text-align: center;
    }
    .badge-problem {
      background: #fef2f2;
      color: #dc2626;
      border: 1px solid #fecaca;
    }
    .badge-outcome {
      background: #ecfdf5;
      color: #059669;
      border: 1px solid #a7f3d0;
    }

    /* --- SCENE 1: FISH LADDER --- */
    .water-bg {
      position: absolute;
      inset: 0;
      background: #e0f2fe;
    }
    .dam-wall {
      position: absolute;
      right: 0;
      top: 0;
      bottom: 0;
      width: 28%;
      background: #64748b;
      border-left: 4px solid #475569;
    }
    .high-res {
      position: absolute;
      left: 0;
      top: 0;
      width: 32%;
      height: 48%;
      background: #38bdf8;
      border-bottom: 3px solid #0284c7;
    }
    .low-res {
      position: absolute;
      left: 0;
      bottom: 0;
      width: 72%;
      height: 38%;
      background: #38bdf8;
      border-top: 3px solid #0284c7;
    }
    /* Steps */
    .ladder-step {
      position: absolute;
      background: #94a3b8;
      border: 2px solid #475569;
    }
    .step-1 { left: 32%; top: 44%; width: 14%; height: 18%; }
    .step-2 { left: 46%; top: 32%; width: 14%; height: 30%; }
    .step-3 { left: 60%; top: 20%; width: 12%; height: 42%; }
    .cascade-water {
      position: absolute;
      left: 32%;
      top: 15%;
      width: 40%;
      height: 50%;
      background: linear-gradient(135deg, rgba(2,132,199,0.5), rgba(56,189,248,0.8));
      clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
      z-index: 1;
    }

    .fish-actor {
      position: absolute;
      font-size: 20px;
      z-index: 5;
      animation: fishClimb 3.6s infinite ease-in-out;
    }
    @keyframes fishClimb {
      0%   { left: 10%; bottom: 15%; transform: rotate(0deg) scaleX(-1); }
      25%  { left: 34%; bottom: 42%; transform: rotate(-25deg) scaleX(-1); }
      50%  { left: 48%; bottom: 54%; transform: rotate(-25deg) scaleX(-1); }
      75%  { left: 62%; bottom: 68%; transform: rotate(-30deg) scaleX(-1); }
      90%  { left: 18%; top: 20%; transform: rotate(0deg) scaleX(-1); }
      100% { left: 10%; bottom: 15%; transform: rotate(0deg) scaleX(-1); }
    }

    /* --- SCENE 2: WILDLIFE BRIDGE --- */
    .forest-side {
      position: absolute;
      top: 0;
      bottom: 0;
      width: 22%;
      background: #bbf7d0;
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      align-items: center;
      font-size: 20px;
      z-index: 1;
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    .forest-left { left: 0; border-right: 2px dashed #86efac; }
    .forest-right { right: 0; border-left: 2px dashed #86efac; }

    .highway {
      position: absolute;
      left: 22%;
      right: 22%;
      top: 0;
      bottom: 0;
      background: #334155;
      display: flex;
      flex-direction: column;
      justify-content: space-evenly;
      overflow: hidden;
    }
    .road-line {
      height: 2px;
      background: repeating-linear-gradient(90deg, #f8fafc 0, #f8fafc 12px, transparent 12px, transparent 24px);
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    .car {
      position: absolute;
      font-size: 18px;
      animation: driveCar 2.4s infinite linear;
    }
    .car-1 { top: 22%; animation-duration: 2.2s; }
    .car-2 { top: 68%; animation-duration: 1.8s; animation-direction: reverse; }
    @keyframes driveCar {
      from { left: -15%; }
      to   { left: 105%; }
    }

    .green-bridge {
      position: absolute;
      left: 18%;
      right: 18%;
      top: 32%;
      height: 36%;
      background: #4ade80;
      border: 3px solid #16a34a;
      border-radius: 8px;
      z-index: 3;
      box-shadow: 0 4px 10px rgba(0,0,0,0.3);
      display: flex;
      align-items: center;
      justify-content: space-around;
      font-size: 14px;
    }
    .deer-actor {
      position: absolute;
      font-size: 24px;
      z-index: 4;
      top: 36%;
      animation: deerCross 4.5s infinite ease-in-out;
    }
    @keyframes deerCross {
      0%   { left: 6%; transform: scaleX(1); }
      45%  { left: 82%; transform: scaleX(1); }
      50%  { left: 82%; transform: scaleX(-1); }
      95%  { left: 6%; transform: scaleX(-1); }
      100% { left: 6%; transform: scaleX(1); }
    }

    /* --- SCENE 3: BUFFER STRIP --- */
    .field-zone {
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 38%;
      background: #fef08a;
      border-right: 2px solid #ca8a04;
      padding: 10px;
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      font-size: 18px;
    }
    .buffer-zone {
      position: absolute;
      left: 38%;
      top: 0;
      bottom: 0;
      width: 26%;
      background: #86efac;
      border-right: 2px solid #16a34a;
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      align-items: center;
      font-size: 18px;
    }
    .river-zone {
      position: absolute;
      right: 0;
      top: 0;
      bottom: 0;
      width: 36%;
      background: #38bdf8;
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      align-items: center;
      font-size: 20px;
    }
    .runoff-particle {
      position: absolute;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #ea580c;
      box-shadow: 0 0 4px #ea580c;
      animation: runoffFlow 2.8s infinite linear;
    }
    .p1 { top: 25%; animation-delay: 0s; }
    .p2 { top: 50%; animation-delay: 0.9s; }
    .p3 { top: 75%; animation-delay: 1.8s; }
    @keyframes runoffFlow {
      0%   { left: 15%; opacity: 1; transform: scale(1); }
      45%  { left: 40%; opacity: 0.9; }
      75%  { left: 52%; opacity: 0; transform: scale(0.2); }
      100% { left: 52%; opacity: 0; }
    }

    .zone-tag {
      position: absolute;
      bottom: 6px;
      font-size: 11px;
      font-weight: 700;
      background: rgba(255,255,255,0.9);
      padding: 2px 6px;
      border-radius: 4px;
      color: #334155;
    }
  </style>
</head>
<body>

  
  <div class="tab-bar">
    <button class="tab-btn active" onclick="setTab(0)">🐟 Fish Ladder</button>
    <button class="tab-btn" onclick="setTab(1)">🦌 Eco-Bridge</button>
    <button class="tab-btn" onclick="setTab(2)">🌸 Buffer Strip</button>
  </div>

  
  <div class="viewport">
    
    
    <div class="scene active" id="scene-0">
      <div class="water-bg"></div>
      <div class="dam-wall"></div>
      <div class="high-res"></div>
      <div class="low-res"></div>
      <div class="ladder-step step-1"></div>
      <div class="ladder-step step-2"></div>
      <div class="ladder-step step-3"></div>
      <div class="cascade-water"></div>
      <div class="fish-actor">🐟</div>
      <div class="zone-tag" style="left:8px; top:8px; bottom:auto;">High River</div>
      <div class="zone-tag" style="right:8px; top:8px; bottom:auto; background:#fee2e2; color:#991b1b;">Dam</div>
    </div>

    
    <div class="scene" id="scene-1">
      <div class="forest-side forest-left">🌲<br>🌿</div>
      <div class="highway">
        <div class="road-line"></div>
        <div class="car car-1">🚗</div>
        <div class="road-line"></div>
        <div class="car car-2">🚚</div>
        <div class="road-line"></div>
      </div>
      <div class="green-bridge">🌱 🌳 🌱</div>
      <div class="deer-actor">🦌</div>
      <div class="forest-side forest-right">🌳<br>🌲</div>
      <div class="zone-tag" style="left:6px;">Habitat A</div>
      <div class="zone-tag" style="right:6px;">Habitat B</div>
    </div>

    
    <div class="scene" id="scene-2">
      <div class="field-zone">
        <span>🌾</span><span>🚜</span><span>🌾</span>
        <div class="zone-tag" style="left:6px;">Crops</div>
      </div>
      <div class="buffer-zone">
        <span>🌸</span><span>🌿</span><span>🌼</span>
        <div class="zone-tag" style="left:40%;">6m Buffer</div>
      </div>
      <div class="river-zone">
        <span>💧</span><span>🐟</span><span>💧</span>
        <div class="zone-tag" style="right:6px;">River</div>
      </div>
      <div class="runoff-particle p1"></div>
      <div class="runoff-particle p2"></div>
      <div class="runoff-particle p3"></div>
    </div>

  </div>

  
  <div class="info-bar">
    <div class="badge badge-problem" id="label-problem">⚠️ Dam Blocks Migration</div>
    <div class="badge badge-outcome" id="label-outcome">✓ +85% Salmon Return</div>
  </div>

  <script>
    const data = [
      { problem: "⚠️ Dam Blocks Migration", outcome: "✓ +85% Salmon Return" },
      { problem: "⚠️ Road Fragmentation", outcome: "✓ 90% Fewer Collisions" },
      { problem: "⚠️ Fertilizer Runoff", outcome: "✓ 70% Nitrates Filtered" }
    ];

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      });
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        sc.classList.toggle('active', i === idx);
      });
      document.getElementById('label-problem').textContent = data[idx].problem;
      document.getElementById('label-outcome').textContent = data[idx].outcome;
    }
  </script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      color: #1e2945;
      background: #ffffff;
      display: flex;
      flex-direction: column;
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      justify-content: space-between;
      min-height: 100%;
      padding: 12px 8px;
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      overflow-x: hidden;
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    /* Toggle Selector */
    .controls {
      display: flex;
      background: #f1f5f9;
      padding: 4px;
      border-radius: 24px;
      gap: 4px;
      border: 1px solid #e2e8f0;
      margin-bottom: 8px;
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    .toggle-btn {
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      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
      cursor: pointer;
      transition: all 0.25s ease;
    }
    .toggle-btn.active {
      background: #ffffff;
      color: #1e2945;
      box-shadow: 0 2px 6px rgba(0,0,0,0.08);
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    /* Scale Apparatus */
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      position: relative;
      width: 100%;
      max-width: 360px;
      height: 330px;
      display: flex;
      justify-content: center;
    }

    /* Central Fulcrum Stand */
    .fulcrum-stand {
      position: absolute;
      top: 28px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      z-index: 1;
      pointer-events: none;
    }
    .pivot-dot {
      width: 14px;
      height: 14px;
      background: #1e2945;
      border: 2px solid #ffffff;
      border-radius: 50%;
      box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    }
    .stand-pillar {
      width: 6px;
      height: 90px;
      background: #cbd5e1;
      border-radius: 3px;
    }
    .stand-base {
      width: 54px;
      height: 8px;
      background: #94a3b8;
      border-radius: 4px;
    }

    /* Lever Beam */
    .beam-assembly {
      position: absolute;
      top: 32px;
      left: 50%;
      width: 290px;
      margin-left: -145px;
      height: 8px;
      transform-origin: center center;
      transition: transform 0.6s cubic-bezier(0.34, 1.2, 0.64, 1);
      z-index: 2;
    }
    .beam-bar {
      width: 100%;
      height: 6px;
      background: #475569;
      border-radius: 3px;
    }

    /* Hanging Trays (Counter-rotate to stay upright) */
    .tray-assembly {
      position: absolute;
      top: 4px;
      width: 136px;
      transform-origin: top center;
      transition: transform 0.6s cubic-bezier(0.34, 1.2, 0.64, 1);
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    .tray-left { left: -10px; }
    .tray-right { right: -10px; }

    .chains {
      display: flex;
      justify-content: space-between;
      width: 110px;
      height: 38px;
    }
    .chain {
      width: 1px;
      height: 100%;
      background: #94a3b8;
    }
    .chain-l { transform: rotate(18deg); transform-origin: top; }
    .chain-r { transform: rotate(-18deg); transform-origin: top; }

    /* Tray Card Container */
    .pan {
      width: 100%;
      background: #ffffff;
      border-radius: 10px;
      padding: 6px 6px 8px 6px;
      border: 1px solid #e2e8f0;
      box-shadow: 0 4px 12px rgba(0,0,0,0.06);
      display: flex;
      flex-direction: column;
      gap: 5px;
    }

    .tray-header {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      text-align: center;
      padding: 3px 0;
      border-radius: 4px;
    }
    .header-gain {
      color: #059669;
      background: #ecfdf5;
    }
    .header-cost {
      color: #dc2626;
      background: #fef2f2;
    }

    /* Cards Inside Pans */
    .item-card {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 4px 6px;
      background: #f8fafc;
      border-radius: 6px;
      font-size: 11px;
      font-weight: 500;
      color: #1e2945;
      border: 1px solid #f1f5f9;
      transition: all 0.4s ease;
    }
    .item-card span.icon {
      font-size: 13px;
      line-height: 1;
    }

    /* Mitigation State Adjustments */
    .mitigated-tag {
      margin-left: auto;
      font-size: 9px;
      font-weight: 700;
      background: #d1fae5;
      color: #065f46;
      padding: 1px 4px;
      border-radius: 3px;
      opacity: 0;
      transform: scale(0.8);
      transition: all 0.3s ease;
    }
    .state-mitigated .mitigated-tag {
      opacity: 1;
      transform: scale(1);
    }
    .state-mitigated .cost-card {
      border-color: #a7f3d0;
      background: #f0fdf4;
    }

    /* Status Pill */
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 12px;
      margin-top: 4px;
      transition: all 0.3s ease;
    }
    .status-unmanaged {
      background: #fee2e2;
      color: #991b1b;
    }
    .status-mitigated {
      background: #dcfce7;
      color: #166534;
    }

    /* Dynamic Rotations based on State */
    .state-unmanaged .beam-assembly { transform: rotate(14deg); }
    .state-unmanaged .tray-assembly { transform: rotate(-14deg); }

    .state-mitigated .beam-assembly { transform: rotate(0deg); }
    .state-mitigated .tray-assembly { transform: rotate(0deg); }
  </style>
</head>
<body>

  
  <div class="controls">
    <button class="toggle-btn active" id="btn-unmanaged" onclick="setMode('unmanaged')">Unmanaged Growth</button>
    <button class="toggle-btn" id="btn-mitigated" onclick="setMode('mitigated')">Sustainable EIA Plan</button>
  </div>

  
  <div id="scaleContainer" class="scale-stage state-unmanaged">
    
    
    <div class="fulcrum-stand">
      <div class="pivot-dot"></div>
      <div class="stand-pillar"></div>
      <div class="stand-base"></div>
    </div>

    
    <div class="beam-assembly">
      <div class="beam-bar"></div>

      
      <div class="tray-assembly tray-left">
        <div class="chains">
          <div class="chain chain-l"></div>
          <div class="chain chain-r"></div>
        </div>
        <div class="pan">
          <div class="tray-header header-gain">Socioeconomic Gains</div>
          <div class="item-card">
            <span class="icon">💼</span>
            <span>New Jobs & Wages</span>
          </div>
          <div class="item-card">
            <span class="icon">⚡</span>
            <span>Energy & Housing</span>
          </div>
          <div class="item-card">
            <span class="icon">🏫</span>
            <span>Tax for Schools</span>
          </div>
        </div>
      </div>

      
      <div class="tray-assembly tray-right">
        <div class="chains">
          <div class="chain chain-l"></div>
          <div class="chain chain-r"></div>
        </div>
        <div class="pan">
          <div class="tray-header header-cost">Ecological Costs</div>
          <div class="item-card cost-card">
            <span class="icon">🚧</span>
            <span>Fragmentation</span>
            <span class="mitigated-tag">Corridor</span>
          </div>
          <div class="item-card cost-card">
            <span class="icon">🐾</span>
            <span>Biodiversity Loss</span>
            <span class="mitigated-tag">Offset</span>
          </div>
          <div class="item-card cost-card">
            <span class="icon">💨</span>
            <span>Pollution</span>
            <span class="mitigated-tag">Filtered</span>
          </div>
        </div>
      </div>

    </div>
  </div>

  
  <div id="statusText" class="status-badge status-unmanaged">
    ⚠️ Severe Ecological Deficit
  </div>

  <script>
    function setMode(mode) {
      const container = document.getElementById('scaleContainer');
      const btnUnmanaged = document.getElementById('btn-unmanaged');
      const btnMitigated = document.getElementById('btn-mitigated');
      const statusText = document.getElementById('statusText');

      if (mode === 'mitigated') {
        container.className = 'scale-stage state-mitigated';
        btnUnmanaged.classList.remove('active');
        btnMitigated.classList.add('active');
        statusText.className = 'status-badge status-mitigated';
        statusText.innerHTML = '⚖️ Sustainable Equilibrium (EIA)';
      } else {
        container.className = 'scale-stage state-unmanaged';
        btnMitigated.classList.remove('active');
        btnUnmanaged.classList.add('active');
        statusText.className = 'status-badge status-unmanaged';
        statusText.innerHTML = '⚠️ Severe Ecological Deficit';
      }
    }
  </script>
</body>
</html>

Types of Biodiversity: Genetic, Species, and Ecosystem

Biodiversity and Ecosystem Stability

Ecosystem Services and Biodiversity

The Interdependence of Species in High-Biodiversity Habitats

Why Maintaining Great Biodiversity Ensures Future Food and Medicine Security

Exam-Style Mastery: Explaining How Biodiversity Promotes Ecosystem Stability

UK-GCSE-SCIENCE-BIO-ECO-03-03

Aligned learning resources

Related diagrams