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@@ -57,16 +57,164 @@ class AppState : Object {
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}
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}
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}
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}
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+/**
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+ * CSS content for the counter page.
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+ * Served as a FastResource for optimal performance with pre-compression.
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+ */
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+private const string COUNTER_CSS = """
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+body {
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+ font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
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+ max-width: 700px;
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+ margin: 0 auto;
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+ padding: 20px;
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+ background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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+ min-height: 100vh;
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+}
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+.card {
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+ background: white;
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+ border-radius: 12px;
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+ padding: 25px;
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+ margin: 15px 0;
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+ box-shadow: 0 10px 40px rgba(0,0,0,0.2);
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+}
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+h1 {
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+ color: #333;
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+ margin-top: 0;
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+}
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+.counter-display {
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+ text-align: center;
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+ padding: 30px;
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+ background: #f8f9fa;
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+ border-radius: 8px;
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+ margin: 20px 0;
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+}
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+.counter-value {
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+ font-size: 72px;
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+ font-weight: bold;
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+ color: #667eea;
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+ line-height: 1;
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+}
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+.counter-label {
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+ color: #666;
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+ font-size: 14px;
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+ text-transform: uppercase;
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+ letter-spacing: 2px;
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+}
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+.button-group {
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+ display: flex;
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+ gap: 10px;
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+ justify-content: center;
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+ margin: 20px 0;
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+}
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+button {
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+ padding: 12px 24px;
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+ border: none;
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+ border-radius: 6px;
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+ cursor: pointer;
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+ font-size: 16px;
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+ font-weight: 600;
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+ transition: all 0.2s;
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+}
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+button:hover {
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+ transform: translateY(-2px);
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+ box-shadow: 0 4px 12px rgba(0,0,0,0.15);
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+}
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+.btn-primary {
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+ background: #667eea;
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+ color: white;
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+}
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+.btn-primary:hover {
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+ background: #5a6fd6;
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+}
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+.btn-danger {
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+ background: #e74c3c;
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+ color: white;
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+}
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+.btn-danger:hover {
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+ background: #c0392b;
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+}
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+.btn-success {
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+ background: #2ecc71;
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+ color: white;
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+}
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+.btn-success:hover {
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+ background: #27ae60;
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+}
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+.info-grid {
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+ display: grid;
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+ grid-template-columns: repeat(2, 1fr);
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+ gap: 15px;
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+ margin: 20px 0;
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+}
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+.info-item {
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+ background: #f8f9fa;
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+ padding: 15px;
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+ border-radius: 6px;
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+ text-align: center;
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+}
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+.info-label {
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+ font-size: 12px;
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+ color: #666;
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+ text-transform: uppercase;
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+ letter-spacing: 1px;
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+}
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+.info-value {
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+ font-size: 18px;
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+ font-weight: 600;
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+ color: #333;
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+ margin-top: 5px;
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+}
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+.status-positive {
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+ color: #2ecc71 !important;
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+}
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+.status-negative {
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+ color: #e74c3c !important;
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+}
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+.status-zero {
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+ color: #666 !important;
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+}
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+code {
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+ background: #e8e8e8;
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+ padding: 2px 6px;
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+ border-radius: 4px;
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+ font-size: 14px;
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+}
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+pre {
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+ background: #263238;
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+ color: #aed581;
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+ padding: 15px;
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+ border-radius: 6px;
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+ overflow-x: auto;
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+ font-size: 13px;
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+}
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+.feature-list {
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+ margin: 0;
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+ padding-left: 20px;
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+}
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+.feature-list li {
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+ margin: 8px 0;
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+ color: #555;
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+}
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+a {
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+ color: #667eea;
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+ text-decoration: none;
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+}
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+a:hover {
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+ text-decoration: underline;
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+}
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+""";
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+
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/**
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/**
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* CounterTemplate - A cached HTML template for the counter page.
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* CounterTemplate - A cached HTML template for the counter page.
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*
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*
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* This class extends MarkupTemplate to provide a reusable, cached template.
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* This class extends MarkupTemplate to provide a reusable, cached template.
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* The HTML is parsed once and cached; new_instance() returns efficient copies.
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* The HTML is parsed once and cached; new_instance() returns efficient copies.
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+ * CSS is served separately via CounterStyles FastResource for optimal caching.
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*/
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*/
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class CounterTemplate : MarkupTemplate {
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class CounterTemplate : MarkupTemplate {
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/// <summary>
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/// <summary>
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/// Returns the HTML markup for this template.
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/// Returns the HTML markup for this template.
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- /// This could also use read_file() to load from disk.
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+ /// CSS is linked externally via /styles.css for better caching.
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/// </summary>
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/// </summary>
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protected override string get_markup() {
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protected override string get_markup() {
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return """<!DOCTYPE html>
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return """<!DOCTYPE html>
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@@ -75,148 +223,7 @@ class CounterTemplate : MarkupTemplate {
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<meta charset="UTF-8"/>
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<meta charset="UTF-8"/>
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<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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<title>Document Template Example</title>
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<title>Document Template Example</title>
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- <style>
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- body {
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- font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
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- max-width: 700px;
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- margin: 0 auto;
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- padding: 20px;
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- background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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- min-height: 100vh;
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- }
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- .card {
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- background: white;
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- border-radius: 12px;
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- padding: 25px;
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- margin: 15px 0;
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- box-shadow: 0 10px 40px rgba(0,0,0,0.2);
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- }
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- h1 {
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- color: #333;
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- margin-top: 0;
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- }
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- .counter-display {
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- text-align: center;
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- padding: 30px;
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- background: #f8f9fa;
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- border-radius: 8px;
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- margin: 20px 0;
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- }
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- .counter-value {
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- font-size: 72px;
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- font-weight: bold;
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- color: #667eea;
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- line-height: 1;
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- }
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- .counter-label {
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- color: #666;
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- font-size: 14px;
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- text-transform: uppercase;
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- letter-spacing: 2px;
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- }
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- .button-group {
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- display: flex;
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- gap: 10px;
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- justify-content: center;
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- margin: 20px 0;
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- }
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- button {
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- padding: 12px 24px;
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- border: none;
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- border-radius: 6px;
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- cursor: pointer;
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- font-size: 16px;
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- font-weight: 600;
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- transition: all 0.2s;
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- }
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- button:hover {
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- transform: translateY(-2px);
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- box-shadow: 0 4px 12px rgba(0,0,0,0.15);
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- }
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- .btn-primary {
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- background: #667eea;
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- color: white;
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- }
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- .btn-primary:hover {
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- background: #5a6fd6;
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- }
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- .btn-danger {
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- background: #e74c3c;
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- color: white;
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- }
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- .btn-danger:hover {
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- background: #c0392b;
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- }
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- .btn-success {
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- background: #2ecc71;
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- color: white;
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- }
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- .btn-success:hover {
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- background: #27ae60;
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- }
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- .info-grid {
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- display: grid;
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- grid-template-columns: repeat(2, 1fr);
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- gap: 15px;
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- margin: 20px 0;
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- }
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- .info-item {
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- background: #f8f9fa;
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- padding: 15px;
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- border-radius: 6px;
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- text-align: center;
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- }
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- .info-label {
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- font-size: 12px;
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- color: #666;
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- text-transform: uppercase;
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- letter-spacing: 1px;
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- }
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- .info-value {
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- font-size: 18px;
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- font-weight: 600;
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- color: #333;
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- margin-top: 5px;
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- }
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- .status-positive {
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- color: #2ecc71 !important;
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- }
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- .status-negative {
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- color: #e74c3c !important;
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- }
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- .status-zero {
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- color: #666 !important;
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- }
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- code {
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- background: #e8e8e8;
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- padding: 2px 6px;
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- border-radius: 4px;
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- font-size: 14px;
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- }
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- pre {
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- background: #263238;
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- color: #aed581;
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- padding: 15px;
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- border-radius: 6px;
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- overflow-x: auto;
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- font-size: 13px;
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- }
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- .feature-list {
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- margin: 0;
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- padding-left: 20px;
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- }
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- .feature-list li {
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- margin: 8px 0;
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- color: #555;
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- }
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- a {
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- color: #667eea;
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- text-decoration: none;
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- }
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- a:hover {
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- text-decoration: underline;
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- }
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- </style>
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+ <link rel="stylesheet" href="/styles.css"/>
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</head>
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</head>
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<body>
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<body>
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<div class="card" id="main-card">
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<div class="card" id="main-card">
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@@ -477,6 +484,7 @@ void main(string[] args) {
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print("╠══════════════════════════════════════════════════════════════╣\n");
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print("╠══════════════════════════════════════════════════════════════╣\n");
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print("║ Endpoints: ║\n");
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print("║ Endpoints: ║\n");
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print("║ / - Counter page (template with modifications) ║\n");
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print("║ / - Counter page (template with modifications) ║\n");
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+ print("║ /styles.css - CSS stylesheet (FastResource) ║\n");
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print("║ /increment - Increase counter (POST) ║\n");
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print("║ /increment - Increase counter (POST) ║\n");
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print("║ /decrement - Decrease counter (POST) ║\n");
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print("║ /decrement - Decrease counter (POST) ║\n");
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print("║ /reset - Reset counter (POST) ║\n");
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print("║ /reset - Reset counter (POST) ║\n");
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@@ -496,6 +504,18 @@ void main(string[] args) {
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// Endpoints use field initializer injection with Inversion.inject<T>()
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// Endpoints use field initializer injection with Inversion.inject<T>()
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application.add_singleton<CounterTemplate>();
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application.add_singleton<CounterTemplate>();
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+ // Register CSS as a FastResource - pre-compressed, cached in memory
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+ // This demonstrates serving static content efficiently with ETag caching
|
|
|
|
|
+ application.add_singleton_endpoint<FastResource>(new EndpointRoute("/styles.css"), () => {
|
|
|
|
|
+ try {
|
|
|
|
|
+ return new FastResource.from_string(COUNTER_CSS)
|
|
|
|
|
+ .with_content_type("text/css; charset=utf-8")
|
|
|
|
|
+ .with_default_compressors();
|
|
|
|
|
+ } catch (Error e) {
|
|
|
|
|
+ error("Failed to create CSS resource: %s", e.message);
|
|
|
|
|
+ }
|
|
|
|
|
+ });
|
|
|
|
|
+
|
|
|
// Register endpoints
|
|
// Register endpoints
|
|
|
application.add_endpoint<HomePageEndpoint>(new EndpointRoute("/"));
|
|
application.add_endpoint<HomePageEndpoint>(new EndpointRoute("/"));
|
|
|
application.add_endpoint<IncrementEndpoint>(new EndpointRoute("/increment"));
|
|
application.add_endpoint<IncrementEndpoint>(new EndpointRoute("/increment"));
|
