/* styles.css */
@import url('fonts.googleapis.com');

:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --accent-color: #38bdf8;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --input-bg: #334155;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 20px;
    width: 90%;
    max-width: 1200px;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Controls Sidebar */
.controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    background: linear-gradient(to right, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

label {
    font-size: 0.85rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* File Input Styling */
.btnfile {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.btnfile::-webkit-file-upload-button {
    background: var(--input-bg);
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    margin-right: 10px;
    transition: 0.3s;
}

.btnfile::-webkit-file-upload-button:hover {
    background: #475569;
}

/* Range Sliders */
input[type="range"] {
    appearance: none;
    background: var(--input-bg);
    height: 6px;
    border-radius: 5px;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
}

/* Buttons */
.buttonContainer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.btn, #downloadBtn {
    padding: 12px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--input-bg);
    color: white;
}

.btn:hover {
    background: #475569;
    transform: translateY(-2px);
}

#resey { background: #7f1d1d; } /* Reset button */
#resey:hover { background: #b91c1c; }

#downloadBtn {
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    margin-top: 10px;
}

#downloadBtn:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    opacity: 0.9;
}

/* Canvas Area */
.canvasContainer {
    background: #0f172a;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px dashed #334155;
    min-height: 400px;
}

canvas {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
}