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app(6).py

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+"""Kids Rhyme Studio: simple, four-language Gradio app."""
+
+# UI_BUILD: dark-v3
+
+from audio_engine import make_sung_song
+from dataclasses import asdict
+import gradio as gr
+from rhyme_engine import parse_request, validate_lyric_for_audio, write_rhyme
+from themes import THEME_CHOICES
+
+
+THEME = gr.themes.Base().set(
+    body_background_fill="#07152f",
+    body_background_fill_dark="#07152f",
+    body_text_color="#f7fbff",
+    body_text_color_dark="#f7fbff",
+    background_fill_primary="#07152f",
+    background_fill_primary_dark="#07152f",
+    background_fill_secondary="#10264a",
+    background_fill_secondary_dark="#10264a",
+    block_background_fill="#10264a",
+    block_background_fill_dark="#10264a",
+    block_border_color="#294b78",
+    block_border_color_dark="#294b78",
+    block_label_background_fill="#ff4f9a",
+    block_label_background_fill_dark="#ff4f9a",
+    block_label_text_color="#ffffff",
+    block_label_text_color_dark="#ffffff",
+    block_title_text_color="#ffffff",
+    block_title_text_color_dark="#ffffff",
+    input_background_fill="#f8fbff",
+    input_background_fill_dark="#f8fbff",
+    input_text_weight="500",
+    input_placeholder_color="#7d8da3",
+    input_placeholder_color_dark="#7d8da3",
+    panel_background_fill="#10264a",
+    panel_background_fill_dark="#10264a",
+    accordion_text_color="#f7fbff",
+    accordion_text_color_dark="#f7fbff",
+    button_primary_background_fill="#ff4f9a",
+    button_primary_background_fill_dark="#ff4f9a",
+    button_primary_text_color="#ffffff",
+    button_primary_text_color_dark="#ffffff",
+    button_secondary_background_fill="#65c7ff",
+    button_secondary_background_fill_dark="#65c7ff",
+    button_secondary_text_color="#08213e",
+    button_secondary_text_color_dark="#08213e",
+)
+
+
+CSS = r"""
+/* ==========================================================
+   Kids Rhyme Studio — midnight playground theme
+   High contrast, kid-friendly, and readable in light/dark OS modes.
+   ========================================================== */
+
+:root {
+    --kids-bg: #07152f;
+    --kids-bg-2: #0a1d3d;
+    --kids-card: #10264a;
+    --kids-card-2: #142d56;
+    --kids-ink: #f7fbff;
+    --kids-muted: #b9c8df;
+    --kids-pink: #ff4f9a;
+    --kids-pink-2: #ff77b3;
+    --kids-yellow: #ffd75e;
+    --kids-blue: #65c7ff;
+    --kids-mint: #7ce6c1;
+    --kids-border: rgba(165, 194, 235, .22);
+    --kids-input-ink: #15233b;
+}
+
+html, body, #root, #root > div, main, .app,
+.gradio-container,
+.gradio-container .main,
+.gradio-container .contain {
+    background: linear-gradient(180deg, #07152f 0%, #0a1b37 56%, #07152f 100%) !important;
+    color: var(--kids-ink) !important;
+}
+
+body {
+    min-height: 100vh;
+}
+
+/* Force the entire Space canvas dark, not just the centered app. */
+body, #root, main, .app {
+    min-height: 100vh !important;
+    background: #07152f !important;
+}
+
+
+.gradio-container {
+    max-width: 1180px !important;
+    margin: 0 auto !important;
+    padding: 28px 20px 40px !important;
+    font-family: Inter, ui-rounded, "Nunito", system-ui, -apple-system, BlinkMacSystemFont,
+                 "Segoe UI", sans-serif !important;
+}
+
+/* Hero banner */
+#hero {
+    position: relative;
+    overflow: hidden;
+    background:
+        radial-gradient(circle at 0% 0%, rgba(255, 79, 154, .24), transparent 28%),
+        radial-gradient(circle at 100% 100%, rgba(101, 199, 255, .22), transparent 27%),
+        linear-gradient(135deg, #17366a 0%, #214a82 54%, #1c3e70 100%);
+    border: 1px solid rgba(174, 208, 255, .28);
+    border-radius: 30px;
+    padding: 60px 34px 36px;
+    margin: 4px 0 18px;
+    text-align: center;
+    box-shadow: 0 22px 55px rgba(0, 0, 0, .28);
+}
+
+#hero:before,
+#hero:after {
+    content: "";
+    position: absolute;
+    border-radius: 999px;
+    pointer-events: none;
+}
+
+#hero:before {
+    width: 155px;
+    height: 155px;
+    background: rgba(255, 97, 169, .16);
+    left: -52px;
+    top: -54px;
+}
+
+#hero:after {
+    width: 135px;
+    height: 135px;
+    background: rgba(89, 198, 255, .16);
+    right: -45px;
+    bottom: -50px;
+}
+
+#hero-copyright {
+    position: absolute;
+    z-index: 3;
+    top: 18px;
+    left: 24px;
+    color: #ffffff !important;
+    font-size: 14px;
+    font-weight: 900;
+    letter-spacing: .04em;
+}
+
+#hero-badge {
+    position: absolute;
+    z-index: 3;
+    top: 14px;
+    right: 20px;
+    display: inline-flex;
+    align-items: center;
+    gap: 6px;
+    background: rgba(255, 215, 94, .14);
+    border: 1px solid rgba(255, 224, 127, .55);
+    color: #ffe792 !important;
+    border-radius: 999px;
+    padding: 8px 13px;
+    font-size: 13px;
+    font-weight: 800;
+    white-space: nowrap;
+}
+
+#hero h1 {
+    position: relative;
+    z-index: 2;
+    font-size: clamp(2.3rem, 5vw, 4rem);
+    line-height: 1.04;
+    margin: 0 0 12px;
+    color: #ffffff !important;
+    letter-spacing: -.04em;
+    text-shadow: 0 3px 18px rgba(0, 0, 0, .20);
+}
+
+#hero p {
+    position: relative;
+    z-index: 2;
+    max-width: 760px;
+    margin: 0 auto;
+    color: #e5efff !important;
+    font-size: clamp(1rem, 2vw, 1.18rem);
+    line-height: 1.6;
+}
+
+/* Three easy steps */
+#steps {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    gap: 9px;
+    flex-wrap: wrap;
+    margin: 10px 0 24px;
+}
+
+.step-pill {
+    display: inline-flex;
+    align-items: center;
+    gap: 6px;
+    padding: 9px 13px;
+    border-radius: 999px;
+    background: #102b52;
+    border: 1px solid rgba(167, 201, 250, .20);
+    color: #eef6ff !important;
+    font-size: 13px;
+    font-weight: 800;
+    box-shadow: 0 8px 18px rgba(0, 0, 0, .16);
+}
+
+.step-arrow {
+    color: #7ebce8 !important;
+    font-weight: 900;
+}
+
+/* Main cards */
+.studio-card {
+    background: linear-gradient(180deg, #10264a 0%, #0f2344 100%) !important;
+    border: 1px solid var(--kids-border) !important;
+    border-radius: 25px !important;
+    padding: 19px !important;
+    box-shadow: 0 18px 38px rgba(0, 0, 0, .22) !important;
+}
+
+.card-title {
+    margin: 0 0 5px;
+    color: #ffffff !important;
+    font-size: 19px;
+    font-weight: 900;
+}
+
+.card-subtitle {
+    margin: 0 0 14px;
+    color: var(--kids-muted) !important;
+    font-size: 13px;
+    line-height: 1.5;
+}
+
+/* Gradio text and blocks */
+.gradio-container .block,
+.gradio-container .form,
+.gradio-container .wrap,
+.gradio-container .secondary-wrap,
+.gradio-container .panel,
+.gradio-container .container {
+    color: var(--kids-ink) !important;
+}
+
+.gradio-container label,
+.gradio-container .label-wrap,
+.gradio-container .label-wrap span {
+    color: #f7fbff !important;
+    font-weight: 750 !important;
+}
+
+.gradio-container .info {
+    color: #aebfd8 !important;
+}
+
+/* Inputs stay light for maximum readability */
+.gradio-container input,
+.gradio-container textarea,
+.gradio-container select {
+    background: #f8fbff !important;
+    color: var(--kids-input-ink) !important;
+    border: 1px solid #bcd1ec !important;
+    border-radius: 14px !important;
+    box-shadow: none !important;
+}
+
+.gradio-container input::placeholder,
+.gradio-container textarea::placeholder {
+    color: #7d8da3 !important;
+    opacity: 1 !important;
+}
+
+/* Dropdown controls */
+.gradio-container [role="listbox"],
+.gradio-container [role="combobox"] {
+    color: var(--kids-input-ink) !important;
+}
+
+/* Rhyme editor */
+#lyrics textarea {
+    min-height: 330px !important;
+    line-height: 1.8 !important;
+    font-size: 1.04rem !important;
+    background: #fbfdff !important;
+    color: #17243a !important;
+}
+
+/* Buttons */
+#make-rhyme,
+#make-audio {
+    min-height: 54px !important;
+    border-radius: 16px !important;
+    font-weight: 900 !important;
+    font-size: 1.04rem !important;
+    transition: transform .15s ease, box-shadow .15s ease !important;
+}
+
+#make-rhyme {
+    background: linear-gradient(135deg, #ff3e91, #ff6dad) !important;
+    border: 0 !important;
+    color: #ffffff !important;
+    box-shadow: 0 10px 22px rgba(255, 62, 145, .26) !important;
+}
+
+#make-audio {
+    background: linear-gradient(135deg, #55c1ff, #78d0ff) !important;
+    border: 0 !important;
+    color: #08213e !important;
+    box-shadow: 0 10px 22px rgba(85, 193, 255, .22) !important;
+}
+
+#make-rhyme:hover,
+#make-audio:hover {
+    transform: translateY(-1px);
+}
+
+/* Accordion */
+.gradio-container .accordion {
+    background: #132b50 !important;
+    color: #f6fbff !important;
+    border-color: rgba(170, 201, 242, .18) !important;
+    border-radius: 16px !important;
+}
+
+.gradio-container .accordion button,
+.gradio-container .accordion span {
+    color: #f6fbff !important;
+}
+
+/* Examples */
+.gradio-container table {
+    background: #10264a !important;
+    color: #f5f9ff !important;
+    border-color: rgba(170, 201, 242, .18) !important;
+}
+
+.gradio-container table th {
+    background: #17335f !important;
+    color: #ffffff !important;
+    border-color: rgba(170, 201, 242, .18) !important;
+}
+
+.gradio-container table td {
+    background: #122b51 !important;
+    color: #edf5ff !important;
+    border-color: rgba(170, 201, 242, .13) !important;
+}
+
+/* Audio/result area */
+#result-note {
+    background: #0c1f3d !important;
+    border: 1px solid rgba(118, 188, 246, .24) !important;
+    border-radius: 16px;
+    padding: 12px 14px;
+    color: #d7e7fb !important;
+    margin-top: 5px;
+}
+
+#result-note p,
+#result-note span {
+    color: #d7e7fb !important;
+}
+
+.gradio-container audio {
+    filter: none !important;
+}
+
+#safety-note {
+    margin: 20px auto 0;
+    max-width: 960px;
+    text-align: center;
+    color: #9eb1cb !important;
+    font-size: 12.5px;
+    line-height: 1.55;
+}
+
+/* Mobile */
+@media (max-width: 700px) {
+    .gradio-container {
+        padding: 18px 12px 28px !important;
+    }
+
+    #hero {
+        padding: 68px 18px 28px;
+        border-radius: 22px;
+    }
+
+    #hero h1 {
+        font-size: 2.25rem;
+    }
+
+    #hero-copyright {
+        top: 16px;
+        left: 17px;
+        font-size: 12px;
+    }
+
+    #hero-badge {
+        top: 12px;
+        right: 14px;
+        font-size: 11px;
+        padding: 6px 9px;
+    }
+
+    #steps {
+        margin-bottom: 17px;
+    }
+
+    .step-arrow {
+        display: none;
+    }
+
+    .studio-card {
+        padding: 13px !important;
+        border-radius: 19px !important;
+    }
+
+    #lyrics textarea {
+        min-height: 250px !important;
+    }
+}
+"""
+
+
+def create_rhyme(name, words, goal, language, mood, theme, use_ai):
+    try:
+        req = parse_request(name, words, goal, language, mood, theme)
+    except ValueError as exc:
+        raise gr.Error(str(exc)) from exc
+    rhyme, writer = write_rhyme(req, use_ai)
+    return rhyme, asdict(req), f"✨ {language} rhyme ready · {theme} ({writer}). You can edit it, then sing it.", None
+
+
+def create_audio(lyrics, settings, name, words, goal, language, mood, theme):
+    try:
+        if not settings:
+            raise ValueError("Write a rhyme first, then make its song.")
+        req = parse_request(name, words, goal, language, mood, theme)
+        if asdict(req) != settings:
+            raise ValueError("Your options changed. Click Make my rhyme again so the lyrics match your language and theme.")
+        safe_lyrics = validate_lyric_for_audio(lyrics)
+        result, status = make_sung_song(safe_lyrics, req.language, req.mood, req.theme, req.goal)
+        return result, f"🎤 {language} · {theme} — {status}"
+    except (ValueError, RuntimeError) as exc:
+        raise gr.Error(str(exc)) from exc
+
+
+with gr.Blocks(
+    title="Kids Rhyme Studio",
+    theme=THEME,
+    css=CSS,
+) as demo:
+    gr.HTML("""
+      <section id="hero">
+        <div id="hero-copyright">© JDM</div>
+        <div id="hero-badge">🌈 Made for little learners</div>
+        <h1>🎵 Kids Rhyme Studio</h1>
+        <p>Turn a child's favorite words and learning goal into a fun little rhyme — then make it sing.</p>
+      </section>
+
+      <div id="steps" aria-label="How it works">
+        <span class="step-pill">✏️ 1. Add words</span>
+        <span class="step-arrow">›</span>
+        <span class="step-pill">✨ 2. Make a rhyme</span>
+        <span class="step-arrow">›</span>
+        <span class="step-pill">🎤 3. Sing & download</span>
+      </div>
+    """)
+
+    settings = gr.State(value=None)
+
+    with gr.Row(equal_height=False):
+        with gr.Column(scale=1, elem_classes=["studio-card"]):
+            gr.HTML("""
+                <div class="card-title">🧸 Build the rhyme</div>
+                <div class="card-subtitle">Keep it simple: add a name, a few favorite words, then choose a lesson.</div>
+            """)
+
+            name = gr.Textbox(
+                label="Child's first name (optional)",
+                placeholder="Maya",
+                max_length=32,
+            )
+            words = gr.Textbox(
+                label="Words to use (1–10)",
+                placeholder="moon, bunny, stars, rainbow…",
+                info="Separate up to 10 words with commas. In Telugu, try Telugu words.",
+                max_length=300,
+            )
+
+            with gr.Row():
+                language = gr.Dropdown(
+                    ["English", "Español", "తెలుగు", "Deutsch"],
+                    value="English",
+                    label="🌎 Language",
+                )
+                mood = gr.Dropdown(
+                    ["Bouncy", "Calm"],
+                    value="Bouncy",
+                    label="🎶 Music mood",
+                )
+
+            theme = gr.Dropdown(
+                THEME_CHOICES,
+                value="Good Habits",
+                label="🌟 Song theme",
+            )
+            goal = gr.Textbox(
+                label="Theme prompt (optional; required for Custom theme)",
+                placeholder="Teach washing hands before meals and putting toys away",
+                info="Use the chosen language for your words and prompt. Leave blank to use the theme's suggested lesson.",
+                lines=2,
+                max_length=160,
+            )
+
+            with gr.Accordion("🤖 Optional: AI writer", open=False):
+                use_ai = gr.Checkbox(
+                    label="Use AI for more varied lyrics",
+                    info="If enabled, the name, words, theme, and prompt are sent to a hosted model. A Space token must be configured.",
+                    value=False,
+                )
+
+            rhyme_button = gr.Button(
+                "✨ Make my rhyme",
+                variant="primary",
+                elem_id="make-rhyme",
+            )
+
+            gr.Examples(
+                examples=[
+                    ["Maya", "soap, toothbrush, toys", "", "English", "Bouncy", "Good Habits"],
+                    ["Maya", "moon, bunny, stars, rainbow, puddle, pencil, apple, rocket, kitten, garden",
+                     "", "English", "Bouncy", "Animals & Nature"],
+                    ["Sofía", "luna, conejo, estrellas", "", "Español", "Calm", "Bedtime"],
+                    ["అను", "చందమామ, బొమ్మ, నక్షత్రం", "", "తెలుగు", "Calm", "Bedtime"],
+                    ["Emil", "Apfel, Hase, Sterne", "", "Deutsch", "Bouncy", "Counting"],
+                    ["Maya", "bus, school, friends", "Feeling brave on the first day of school", "English", "Bouncy", "Custom theme"],
+                ],
+                inputs=[name, words, goal, language, mood, theme],
+                label="Try an example",
+            )
+
+        with gr.Column(scale=1, elem_classes=["studio-card"]):
+            gr.HTML("""
+                <div class="card-title">🎨 Your rhyme</div>
+                <div class="card-subtitle">Read it, change any words you like, then turn it into a song.</div>
+            """)
+
+            lyrics = gr.Textbox(
+                label="Your rhyme • you can edit it",
+                lines=13,
+                max_lines=15,
+                buttons=["copy"],
+                elem_id="lyrics",
+            )
+            audio_button = gr.Button(
+                "🎤 Sing my rhyme",
+                elem_id="make-audio",
+            )
+            audio = gr.Audio(
+                label="🎧 Sung song • listen or download WAV",
+                interactive=False,
+                buttons=["download"],
+            )
+            status = gr.Markdown(
+                "Your rhyme will appear here. Song creation uses a GPU and may take a minute.",
+                elem_id="result-note",
+            )
+
+    gr.HTML(
+        """
+        <div id="safety-note">
+          Made for playful practice. A parent should review each rhyme. The song model sings the rhyme;
+          pronunciation and exact words can vary. Use a nickname; this app keeps no account or rhyme database.
+        </div>
+        """
+    )
+
+    rhyme_button.click(
+        create_rhyme,
+        [name, words, goal, language, mood, theme, use_ai],
+        [lyrics, settings, status, audio],
+        concurrency_limit=2,
+    )
+    audio_button.click(
+        create_audio,
+        [lyrics, settings, name, words, goal, language, mood, theme],
+        [audio, status],
+        concurrency_limit=1,
+    )
+
+
+if __name__ == "__main__":
+    demo.queue().launch()