/* Cyberpunk Aesthetic for Hymn Buddy */

:root {
    --bg-dark: #1a1a2e; /* Deep dark background */
    --bg-medium: #2a2a4a; /* Slightly lighter background for sections */
    --text-light: #e0e0e0; /* Light grey for general text */
    --text-accent: #00ffff; /* Cyan neon accent */
    --text-highlight: #ff00ff; /* Magenta neon highlight */
    --border-color: #4a4a6a; /* Subtle border color */
    --button-primary: #00bfff; /* Deep sky blue for primary actions */
    --button-secondary: #8a2be2; /* Blue violet for secondary actions */
    --error-color: #ff4500; /* Orange red for errors */
    --font-main: 'Share Tech Mono', monospace; /* Futuristic monospace font */
    --font-heading: 'Orbitron', sans-serif; /* Bold, futuristic heading font */
}

/* Import Google Fonts for cyberpunk feel */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Share+Tech+Mono&display=swap');

body {
    font-family: var(--font-main);
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    color: var(--text-light);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

.container {
    background-color: var(--bg-medium);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3); /* Neon glow effect */
    width: 100%;
    max-width: 1400px; /* Increased max-width for better layout */
    display: flex;
    flex-direction: column;
    gap: 25px;
    border: 1px solid var(--border-color);
}

h1 {
    font-family: var(--font-heading);
    text-align: center;
    color: var(--text-accent);
    text-shadow: 0 0 8px var(--text-accent); /* Neon text shadow */
    margin-bottom: 25px;
    font-size: 2.5em;
}

h2 {
    font-family: var(--font-heading);
    color: var(--text-highlight);
    text-shadow: 0 0 5px var(--text-highlight);
    margin-bottom: 15px;
    font-size: 1.8em;
    text-align: center;
}

h3 {
    font-family: var(--font-heading);
    color: var(--text-light);
    margin-bottom: 10px;
    font-size: 1.2em;
}

.controls-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: #20203a; /* Slightly different background for controls */
    box-shadow: inset 0 0 10px rgba(0, 255, 255, 0.1);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-weight: bold;
    color: var(--text-light);
    font-size: 0.9em;
}

.input-group input[type="file"],
.input-group textarea,
.input-group select,
.input-group input[type="number"],
.input-group input[type="color"] {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1em;
    width: 100%;
    box-sizing: border-box;
    background-color: #3a3a5a; /* Darker input background */
    color: var(--text-light);
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-group input[type="file"]:focus,
.input-group textarea:focus,
.input-group select:focus,
.input-group input[type="number"]:focus,
.input-group input[type="color"]:focus {
    border-color: var(--text-accent);
    box-shadow: 0 0 5px var(--text-accent);
}

.input-group textarea {
    resize: vertical;
    min-height: 80px;
}

.input-group button {
    padding: 10px 15px;
    background-color: var(--button-secondary);
    color: var(--text-light);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 5px rgba(138, 43, 226, 0.5);
}

.input-group button:hover:not(:disabled) {
    background-color: #7a1be0;
    box-shadow: 0 0 10px rgba(138, 43, 226, 0.8);
}

/* Specific button styling for play/stop */
.recognition-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

button#startRecognitionBtn,
button#stopRecognitionBtn {
    padding: 12px 25px;
    background-color: var(--button-primary);
    color: var(--text-light);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1em;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.5);
}

button#stopRecognitionBtn {
    background-color: var(--error-color);
    box-shadow: 0 0 8px rgba(255, 69, 0, 0.5);
}

button#startRecognitionBtn:hover:not(:disabled) {
    background-color: #00a0e0;
    box-shadow: 0 0 12px rgba(0, 191, 255, 0.8);
}

button#stopRecognitionBtn:hover:not(:disabled) {
    background-color: #d03a00;
    box-shadow: 0 0 12px rgba(255, 69, 0, 0.8);
}

button:disabled {
    background-color: #555;
    color: #aaa;
    cursor: not-allowed;
    box-shadow: none;
}

#recognitionStatus {
    margin-top: 15px;
    font-style: italic;
    color: var(--text-accent);
    text-align: center;
    text-shadow: 0 0 3px var(--text-accent);
}

.content-section {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center; /* Center content when wrapped */
}

.image-display, .text-display, .hymn-generator-section {
    flex: 1;
    min-width: 300px;
    background-color: var(--bg-medium);
    padding: 25px;
    border-radius: 8px;
    box-shadow: inset 0 0 10px rgba(0, 255, 255, 0.1);
    border: 1px solid var(--border-color);
}

#hymnCanvas {
    border: 1px solid var(--border-color);
    background-color: #000; /* Black canvas background */
    display: block;
    max-width: 100%;
    height: auto;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2); /* Subtle glow for canvas */
}

#hymnTextDisplay {
    border: 1px solid var(--border-color);
    padding: 20px;
    min-height: 250px;
    background-color: #000; /* Black text display background */
    line-height: 1.8;
    font-size: 1.2em;
    white-space: pre-wrap;
    color: var(--text-light);
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.2); /* Subtle glow for text display */
}

#hymnTextDisplay span {
    transition: all 0.1s ease-out;
    display: inline-block;
    padding: 2px 0;
    color: var(--text-light); /* Default text color */
}

/* Dynamic Text Highlighting Classes */
.highlighted {
    background-color: rgba(0, 255, 255, 0.4); /* Cyan highlight */
    font-weight: bold;
    transform: scale(1.2); /* Magnify */
    color: var(--text-highlight); /* Magenta for highlighted text */
    text-shadow: 0 0 5px var(--text-highlight);
}

.half-highlighted {
    background-color: rgba(0, 255, 255, 0.2); /* Lighter cyan highlight */
    font-weight: 600;
    transform: scale(1.1);
    color: var(--text-accent); /* Cyan for half-highlighted text */
    text-shadow: 0 0 2px var(--text-accent);
}

/* Fullscreen button */
.fullscreen-button-container {
    text-align: center;
    margin-top: 20px;
}

#fullscreenToggleBtn {
    padding: 10px 20px;
    background-color: #ff9900; /* Orange for fullscreen */
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 8px rgba(255, 153, 0, 0.5);
}

#fullscreenToggleBtn:hover {
    background-color: #e08a00;
    box-shadow: 0 0 12px rgba(255, 153, 0, 0.8);
}

/* Hymn Generator Section */
.hymn-generator-section {
    margin-top: 25px;
    padding: 25px;
    background-color: var(--bg-medium);
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.3); /* Magenta glow */
    border: 1px solid var(--border-color);
}

.hymn-generator-section textarea {
    min-height: 150px;
}

.hymn-generator-section button {
    background-color: var(--button-primary);
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.5);
}

.hymn-generator-section button:hover:not(:disabled) {
    background-color: #00a0e0;
    box-shadow: 0 0 12px rgba(0, 191, 255, 0.8);
}

#generatedHymnDisplay {
    border: 1px solid var(--border-color);
    padding: 15px;
    min-height: 100px;
    background-color: #000;
    color: var(--text-light);
    font-size: 1.1em;
    white-space: pre-wrap;
    margin-top: 15px;
    box-shadow: inset 0 0 10px rgba(255, 0, 255, 0.1);
}

.bach-chorale-layout {
    font-family: 'Times New Roman', serif; /* Classic font for Bach feel */
    line-height: 1.4;
    margin-bottom: 1em;
    border: 1px dashed var(--border-color);
    padding: 10px;
    background-color: #0a0a1a;
}

.bach-chorale-layout .voice-part {
    display: block;
    margin-bottom: 0.2em;
    font-size: 1.1em;
}

.bach-chorale-layout .voice-part:nth-child(1) { color: #ADD8E6; } /* Light Blue - Soprano */
.bach-chorale-layout .voice-part:nth-child(2) { color: #90EE90; } /* Light Green - Alto */
.bach-chorale-layout .voice-part:nth-child(3) { color: #FFD700; } /* Gold - Tenor */
.bach-chorale-layout .voice-part:nth-child(4) { color: #FF6347; } /* Tomato - Bass */


/* Responsive adjustments */
@media (max-width: 1024px) {
    .content-section {
        flex-direction: column;
    }
    .image-display, .text-display, .hymn-generator-section {
        width: 100%;
        max-width: none;
    }
}

@media (max-width: 768px) {
    .controls-section {
        grid-template-columns: 1fr;
    }
    .container {
        padding: 15px;
    }
    h1 {
        font-size: 2em;
    }
    h2 {
        font-size: 1.5em;
    }
    button#startRecognitionBtn,
    button#stopRecognitionBtn {
        padding: 10px 15px;
        font-size: 1em;
    }
}