:root {
    --border-dark: #3C2A21;
    --card-shadow: 0 8px 0 #3C2A21;
}

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

body {
    background: linear-gradient(135deg, #1E1B4B 0%, #312E81 50%, #4338CA 100%);
    font-family: 'Quicksand', sans-serif;
    color: #FFFFFF;
    min-height: 100vh;
    padding: 20px;
}

h1, h2, h3, .home-btn, .potion-badge, .preset-btn, .btn-voice-recipe, .info-pill {
    font-family: 'Fredoka One', cursive;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

/* Header */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 25px;
}

.home-btn {
    background: #FFF;
    color: #3C2A21;
    border: 3px solid var(--border-dark);
    border-radius: 12px;
    padding: 8px 16px;
    text-decoration: none;
    box-shadow: 0 4px 0 var(--border-dark);
}
.home-btn:hover { background: #3C2A21; color: #FFF; }

.header-info { text-align: center; flex-grow: 1; }
.header-info h1 { font-size: 2.2rem; color: #FBBF24; text-shadow: 2px 2px 0 var(--border-dark); }
.header-info p { font-weight: 700; color: #C7D2FE; font-size: 1.05rem; }

/* Studio Split Grid */
.studio-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 25px;
}

/* LEFT CONTROLS PANEL */
.controls-panel {
    background: #FFFDF0;
    color: #3C2A21;
    border: 5px solid var(--border-dark);
    border-radius: 24px;
    padding: 20px;
    box-shadow: var(--card-shadow);
}

.controls-panel h2 {
    font-size: 1.4rem;
    color: #9D4EDD;
    margin-bottom: 15px;
    text-align: center;
}

.slider-card {
    border: 3px solid var(--border-dark);
    border-radius: 16px;
    padding: 12px 16px;
    margin-bottom: 12px;
}

.red-card { background: #FFE8EC; }
.green-card { background: #E8FFEB; }
.blue-card { background: #E8F1FF; }

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.potion-badge { font-size: 1.1rem; }
.red-card .potion-badge { color: #DC2626; }
.green-card .potion-badge { color: #16A34A; }
.blue-card .potion-badge { color: #2563EB; }

.value-badge {
    background: #FFF;
    border: 2px solid var(--border-dark);
    border-radius: 8px;
    padding: 2px 10px;
    font-weight: 700;
    font-size: 0.95rem;
}

/* Custom Sliders */
input[type="range"] {
    width: 100%;
    height: 14px;
    border-radius: 8px;
    border: 2px solid var(--border-dark);
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
}

#slider-r { background: linear-gradient(90deg, #000 0%, #EF4444 100%); }
#slider-g { background: linear-gradient(90deg, #000 0%, #22C55E 100%); }
#slider-b { background: linear-gradient(90deg, #000 0%, #3B82F6 100%); }

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 3px solid var(--border-dark);
    box-shadow: 0 2px 0 var(--border-dark);
    cursor: pointer;
}

/* Preset Buttons */
.preset-section {
    margin-top: 15px;
    padding-top: 12px;
    border-top: 2px dashed #CBD5E1;
}

.preset-section h3 {
    font-size: 1rem;
    color: #4B5563;
    margin-bottom: 10px;
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.preset-btn {
    border: 2px solid var(--border-dark);
    border-radius: 10px;
    padding: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    box-shadow: 0 3px 0 var(--border-dark);
    transition: transform 0.1s;
}
.preset-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--border-dark); }

.p-red { background: #FF6B6B; color: #FFF; }
.p-green { background: #4ADE80; color: #3C2A21; }
.p-blue { background: #60A5FA; color: #FFF; }
.p-yellow { background: #FDE047; color: #3C2A21; }
.p-orange { background: #FB923C; color: #FFF; }
.p-purple { background: #C084FC; color: #FFF; }
.p-pink { background: #F472B6; color: #FFF; }
.p-cyan { background: #67E8F9; color: #3C2A21; }

/* RIGHT PREVIEW PANEL */
.preview-panel {
    display: flex;
    flex-direction: column;
}

.display-card {
    background: #FFFDF0;
    border: 5px solid var(--border-dark);
    border-radius: 24px;
    padding: 25px;
    text-align: center;
    color: #3C2A21;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    flex-grow: 1;
    transition: background-color 0.3s;
}

.cartoon-canvas {
    background: rgba(255,255,255,0.7);
    border: 4px dashed #CBD5E1;
    border-radius: 20px;
    padding: 15px 25px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.preview-svg {
    filter: drop-shadow(0 8px 10px rgba(0,0,0,0.15));
}

#svg-potion-fill {
    transition: fill 0.15s ease-out;
}

.color-details h2 {
    font-size: 2rem;
    color: #FF597B;
    margin-bottom: 6px;
}

.color-badge-row {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 18px;
}

.info-pill {
    background: #FFFFFF;
    border: 2px solid var(--border-dark);
    border-radius: 8px;
    padding: 4px 10px;
    font-size: 0.9rem;
    color: #3C2A21;
}

.btn-voice-recipe {
    background: #54B435;
    color: white;
    border: 3px solid var(--border-dark);
    border-radius: 14px;
    padding: 10px 20px;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 4px 0 var(--border-dark);
    transition: transform 0.1s;
}
.btn-voice-recipe:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--border-dark); }

@media (max-width: 800px) {
    .studio-grid { grid-template-columns: 1fr; }
}