/* Main wrapper */
.flg-wrapper {
    --primary: var(--flg-color);
    --secondary: color-mix(in srgb, var(--primary) 60%, #ffffff);
    --accent: color-mix(in srgb, var(--primary) 80%, #000000);

    max-width: 850px;
    margin: 60px auto;
    padding: 35px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--secondary), #ffffff);
    border: 3px solid var(--primary);
    font-family: "Segoe UI", system-ui, sans-serif;
    box-shadow: 0 20px 45px rgba(0,0,0,0.15);
}

/* Heading */
.flg-wrapper h2 {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--accent);
}

/* Instruction box */
.flg-instruction {
    background: linear-gradient(
        90deg,
        var(--primary),
        var(--accent)
    );
    color: #fff;
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 30px;
}

/* Controls */
.flg-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.flg-controls label {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    display: flex;
    flex-direction: column;
}

.flg-controls input {
    margin-top: 8px;
    padding: 11px;
    border-radius: 10px;
    border: 2px solid #ddd;
    font-size: 14px;
    transition: border 0.2s;
}

.flg-controls input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Button */
.flg-controls button {
    grid-column: 1 / -1;
    padding: 14px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(
        135deg,
        var(--primary),
        var(--accent)
    );
    border: none;
    border-radius: 14px;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.flg-controls button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}

/* Result area */
.flg-result {
    background: #ffffff;
    padding: 25px;
    border-radius: 14px;
    border-left: 6px solid var(--primary);
    animation: fadeIn 0.3s ease-in-out;
}

.flg-result p {
    line-height: 1.85;
    margin-bottom: 18px;
    color: #333;
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}