:root {
    /* Palette Monochrome Dark */
    --bg-body: #050505;
    --bg-card: #0F0F0F;
    --bg-input: #1A1A1A;
    --border: #333333;
    --border-hover: #555555;

    --text-main: #EAEAEA;
    --text-muted: #888888;

    --accent: #FFFFFF;
    --success: #32D74B;
    --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--bg-body);
    color: var(--text-main);
    min-height: 100vh;
    padding: 2rem;
    display: flex;
    justify-content: center;
}

.container {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 2rem;
}

/* --- Sidebar & Controls --- */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.header {
    position: relative;
}
.header h1 {
    font-size: 1.5rem;
    letter-spacing: -0.05em;
    margin-bottom: 0.5rem;
}
.header p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* Language Selector Styling */
.lang-selector {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    gap: 5px;
}
.lang-btn {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 5px 10px;
    font-size: 0.7rem;
    font-family: inherit;
    cursor: pointer;
    border-radius: 4px;
    transition: 0.2s;
}
.lang-btn:hover:not(.active) { border-color: var(--text-main); color: var(--text-main); }
.lang-btn.active {
    border-color: var(--success);
    color: var(--success);
    font-weight: 700;
}


.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.card h2 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

/* --- Mode Selector Buttons --- */
.mode-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}

.mode-btn {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 15px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.mode-btn:hover:not(.disabled) {
    border-color: var(--text-main);
    color: var(--text-main);
}

.mode-btn.active {
    background: var(--bg-input);
    border-color: var(--success);
    color: var(--success);
    box-shadow: 0 0 10px rgba(50, 215, 75, 0.1);
}

.mode-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    border-style: dashed;
}

.mode-icon { font-size: 1.2rem; }
.mode-label { font-size: 0.8rem; font-weight: 700; }

/* --- Digit Selector (0-9) --- */
.digit-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-top: 10px;
}

.digit-btn {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 10px 0;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    font-weight: 700;
    transition: 0.2s;
}

.digit-btn:hover { border-color: var(--text-main); color: var(--text-main); }

.digit-btn.active {
    background: var(--text-main);
    color: var(--bg-body);
    border-color: var(--text-main);
}

.hidden-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }


/* --- Standard Controls --- */
.control-group { margin-bottom: 1.5rem; }
label { display: block; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }

input[type=range] {
    width: 100%; height: 4px; background: var(--border); border-radius: 2px; appearance: none; outline: none;
}
input[type=range]::-webkit-slider-thumb {
    appearance: none; width: 16px; height: 16px; background: var(--accent); border-radius: 50%; cursor: pointer; border: 2px solid var(--bg-body);
}

/* Toggle Row */
.toggle-row {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1rem; padding: 0.8rem;
    background: var(--bg-input); border-radius: var(--radius);
    cursor: pointer; border: 1px solid transparent;
}
.toggle-row:hover { border-color: var(--border-hover); }
.toggle-row input { accent-color: var(--success); }

/* Percentile/Cleaning Buttons */
.percentile-select {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr; /* 3 colonnes pour l'uniformité */
    gap: 5px;
    margin-top: 10px;
}

.p-btn {
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text-muted);
    padding: 8px; font-family: inherit; font-size: 0.8rem; cursor: pointer; border-radius: 4px;
    text-align: center;
}
.p-btn:hover { color: var(--text-main); }
.p-btn.active {
    border-color: var(--success); color: var(--success); font-weight: 700; background: rgba(50, 215, 75, 0.05);
}

/* Appliquer le style p-btn aux boutons de nettoyage pour l'uniformité */
.cleaning-btn {
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text-muted);
    padding: 8px; font-family: inherit; font-size: 0.8rem; cursor: pointer; border-radius: 4px;
    text-align: center;
}
.cleaning-btn:hover { color: var(--text-main); }
.cleaning-btn.active {
    border-color: var(--success); color: var(--success); font-weight: 700; background: rgba(50, 215, 75, 0.05);
}


/* Tooltip for strictness hint */
.tooltip-container { position: relative; display: inline-block; }
.tooltip-icon { font-size: 0.7rem; color: var(--text-muted); margin-left: 5px; cursor: help;}
.tooltip-text {
    visibility: hidden; width: 200px; background-color: var(--bg-card); color: var(--text-main);
    text-align: center; border-radius: 6px; padding: 10px; position: absolute;
    z-index: 10; bottom: 125%; left: 50%; margin-left: -100px;
    opacity: 0; transition: opacity 0.3s; font-size: 0.7rem; line-height: 1.3;
    border: 1px solid var(--border);
}
.tooltip-container:hover .tooltip-text { visibility: visible; opacity: 1; }
.tooltip-text::after {
    content: ""; position: absolute; top: 100%; left: 50%; margin-left: -5px;
    border-width: 5px; border-style: solid; border-color: var(--border) transparent transparent transparent;
}

/* Main Button */
.btn-gen {
    width: 100%; background: var(--accent); color: var(--bg-body); border: none; padding: 1rem;
    font-family: inherit; font-weight: 700; font-size: 1rem; border-radius: var(--radius); cursor: pointer;
    transition: opacity 0.2s; margin-top: 10px;
}
.btn-gen:hover { opacity: 0.9; }
.btn-gen:disabled { background: var(--border); color: var(--text-muted); cursor: not-allowed; }

/* --- Gallery --- */
.gallery-area { display: flex; flex-direction: column; gap: 1rem; }

.results-meta {
    display: flex; justify-content: space-between; align-items: center; height: 30px; font-size: 0.85rem; color: var(--success);
}

.gallery-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.5rem;
}

.img-card {
    background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 10px; transition: 0.3s;
}
.img-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.img-card img {
    width: 100%; height: auto; display: block; border-radius: 4px;
    image-rendering: pixelated; filter: grayscale(100%);
}

/* Loading Spinner */
.loader {
    width: 24px; height: 24px; border: 3px solid var(--border); border-bottom-color: var(--bg-body);
    border-radius: 50%; display: inline-block; animation: rotation 1s linear infinite;
}
@keyframes rotation { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Error Box */
.error-box { color: #FF453A; border: 1px solid #FF453A; padding: 10px; border-radius: var(--radius); font-size: 0.8rem; display: none; margin-top: 10px;}

/* Responsive */
@media (max-width: 900px) { .container { grid-template-columns: 1fr; } }