feat: Add typing-jazz project

projects/tpyingjazz/css/animations.css

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+/**
+ * typing-jazz/css/animations.css
+ */
+
+@keyframes fade-in {
+    from {
+        opacity: 0;
+        transform: translateY(10px);
+    }
+
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+header h1 {
+    animation: fade-in 1s ease-out forwards;
+}
+
+.subtitle {
+    animation: fade-in 1.2s ease-out forwards;
+}
+
+#visualizer-container {
+    animation: fade-in 1.4s ease-out forwards;
+}
+
+#text-area-container {
+    animation: fade-in 1.6s ease-out forwards;
+}
+
+.note-bubble {
+    position: absolute;
+    border-radius: 50%;
+    border: 1px solid var(--accent-gold);
+    pointer-events: none;
+    animation: note-expand 2s ease-out forwards;
+}
+
+@keyframes note-expand {
+    0% {
+        width: 10px;
+        height: 10px;
+        opacity: 0.8;
+        transform: translate(-50%, -50%) scale(1);
+    }
+
+    100% {
+        width: 200px;
+        height: 200px;
+        opacity: 0;
+        transform: translate(-50%, -50%) scale(1.5);
+    }
+}

projects/tpyingjazz/css/layout.css

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+/**
+ * typing-jazz/css/layout.css
+ */
+
+:root {
+    --bg-color: #0d0d0f;
+    --panel-bg: #1a1a1e;
+    --accent-gold: #c5a059;
+    --accent-gold-glow: rgba(197, 160, 89, 0.3);
+    --text-primary: #e0e0e0;
+    --text-secondary: #909090;
+    --border-color: #2a2a2f;
+    --font-serif: 'Playfair Display', serif;
+    --font-sans: 'Inter', sans-serif;
+
+    /* Animation Tokens */
+    --transition-speed: 0.3s;
+}
+
+* {
+    box-sizing: border-box;
+    margin: 0;
+    padding: 0;
+}
+
+body {
+    background-color: var(--bg-color);
+    color: var(--text-primary);
+    font-family: var(--font-sans);
+    line-height: 1.6;
+    overflow: hidden;
+    height: 100vh;
+}
+
+#app {
+    display: flex;
+    flex-direction: column;
+    height: 100%;
+}
+
+header {
+    padding: 2rem;
+    text-align: center;
+}
+
+h1 {
+    font-family: var(--font-serif);
+    font-size: 3rem;
+    font-weight: 700;
+    color: var(--accent-gold);
+    letter-spacing: -1px;
+    margin-bottom: 0.5rem;
+}
+
+.subtitle {
+    color: var(--text-secondary);
+    font-weight: 300;
+    text-transform: uppercase;
+    letter-spacing: 2px;
+    font-size: 0.8rem;
+}
+
+main {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    padding: 0 2rem;
+    max-width: 1200px;
+    margin: 0 auto;
+    width: 100%;
+    gap: 2rem;
+}
+
+#visualizer-container {
+    height: 300px;
+    background: var(--panel-bg);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    position: relative;
+    overflow: hidden;
+    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
+}
+
+#audio-visualizer {
+    width: 100%;
+    height: 100%;
+    display: block;
+}
+
+#text-area-container {
+    flex: 1;
+    position: relative;
+    background: var(--panel-bg);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    padding: 2rem;
+}
+
+#jazz-input {
+    width: 100%;
+    height: 100%;
+    background: transparent;
+    border: none;
+    color: var(--text-primary);
+    font-family: var(--font-serif);
+    font-size: 1.5rem;
+    resize: none;
+    outline: none;
+    line-height: 1.8;
+}
+
+#jazz-input::placeholder {
+    color: var(--border-color);
+}
+
+footer {
+    padding: 1.5rem 2rem;
+    border-top: 1px solid var(--border-color);
+    background: rgba(20, 20, 25, 0.8);
+}
+
+.controls {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    max-width: 1400px;
+    margin: 0 auto;
+}
+
+.left-controls {
+    display: flex;
+    gap: 1rem;
+}
+
+button {
+    background: var(--panel-bg);
+    color: var(--accent-gold);
+    border: 1px solid var(--accent-gold);
+    padding: 0.6rem 1.2rem;
+    font-family: var(--font-sans);
+    font-size: 0.75rem;
+    font-weight: 700;
+    text-transform: uppercase;
+    letter-spacing: 1px;
+    border-radius: 4px;
+    cursor: pointer;
+    transition: all var(--transition-speed) ease;
+}
+
+button:hover {
+    background: var(--accent-gold);
+    color: var(--bg-color);
+    box-shadow: 0 0 15px var(--accent-gold-glow);
+}
+
+#init-audio {
+    background: var(--accent-gold);
+    color: var(--bg-color);
+    padding: 1rem 2.5rem;
+    font-size: 1rem;
+}
+
+#record-toggle.recording {
+    background: #ff4444;
+    border-color: #ff4444;
+    color: white;
+    animation: blink 1s infinite;
+}
+
+@keyframes blink {
+    50% {
+        opacity: 0.6;
+    }
+}
+
+.status {
+    color: var(--text-secondary);
+    font-size: 0.9rem;
+}
+
+.status span {
+    color: var(--text-primary);
+    font-weight: 600;
+}
+
+/* Modal Overlay */
+#overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: rgba(13, 13, 15, 0.95);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 100;
+    opacity: 0;
+    pointer-events: none;
+    transition: opacity 0.5s ease;
+}
+
+#overlay.visible {
+    opacity: 1;
+    pointer-events: all;
+}
+
+.modal {
+    background: var(--panel-bg);
+    padding: 3rem;
+    border-radius: 12px;
+    max-width: 500px;
+    text-align: center;
+    border: 1px solid var(--border-color);
+    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
+}
+
+.modal h2 {
+    font-size: 2.5rem;
+    margin-bottom: 1.5rem;
+    color: var(--accent-gold);
+}
+
+.modal p {
+    margin-bottom: 2rem;
+    color: var(--text-secondary);
+}
+
+.playfair {
+    font-family: var(--font-serif);
+    font-style: italic;
+}

projects/tpyingjazz/css/piano.css

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+/**
+ * typing-jazz/css/piano.css
+ */
+
+#piano-view {
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    width: 100%;
+    height: 80px;
+    display: flex;
+    padding: 0 10px;
+    pointer-events: none;
+    opacity: 0.5;
+    transition: opacity 0.3s ease;
+}
+
+#visualizer-container:hover #piano-view {
+    opacity: 1;
+}
+
+.piano-key {
+    flex: 1;
+    margin: 0 1px;
+    background: #2a2a2f;
+    border-radius: 0 0 4px 4px;
+    transition: all 0.1s ease;
+    border-bottom: 3px solid #1a1a1e;
+}
+
+.piano-key.active {
+    background: var(--accent-gold);
+    box-shadow: 0 0 20px var(--accent-gold-glow);
+    transform: translateY(2px);
+    border-bottom-width: 1px;
+}
+
+/* Different shades for "octaves" */
+.piano-key:nth-child(n+12) {
+    opacity: 0.9;
+}
+
+.piano-key:nth-child(n+24) {
+    opacity: 0.8;
+}
+
+.piano-key:nth-child(n+36) {
+    opacity: 0.7;
+}

projects/tpyingjazz/css/visualization.css

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+/**
+ * typing-jazz/css/visualization.css
+ */
+
+.spark {
+    position: absolute;
+    width: 4px;
+    height: 20px;
+    background: var(--accent-gold);
+    border-radius: 2px;
+    pointer-events: none;
+    animation: spark-rise 1s ease-out forwards;
+}
+
+@keyframes spark-rise {
+    0% {
+        transform: translateY(0) scaleY(1);
+        opacity: 1;
+        filter: blur(0px);
+    }
+
+    100% {
+        transform: translateY(-100px) scaleY(2);
+        opacity: 0;
+        filter: blur(4px);
+    }
+}
+
+#input-cursor {
+    position: absolute;
+    width: 2px;
+    height: 1.5rem;
+    background: var(--accent-gold);
+    display: none;
+    pointer-events: none;
+    box-shadow: 0 0 10px var(--accent-gold-glow);
+}