/* Ana konteyner flex ile yan yana */
#pencereApp {
    display: flex;
    height: 90vh;
    background: #f5f7fa;
    font-family: Arial, sans-serif;
}

/* Sol panel */
#solPanel {
    width: 380px;
    background: #fff;
    padding: 20px;
    border-right: 1px solid #ddd;
    box-sizing: border-box;
    overflow-y: auto;
    flex-shrink: 0;
}

#solPanel h2 {
    margin-top: 0;
}

#solPanel label {
    display: block;
    margin-bottom: 15px;
    font-weight: 600;
    font-size: 14px;
    color: #333;
}

#solPanel input[type=number],
#solPanel select {
    width: 100%;
    padding: 6px 8px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
}

#solPanel button {
    width: 100%;
    padding: 10px;
    background: #0073aa;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s ease;
}

#solPanel button:hover {
    background: #005177;
}

/* Fiyat alanı */
#fiyatAlan {
    margin-top: 20px;
    background: #e2f0d9;
    padding: 15px;
    border-radius: 6px;
    color: #2a572a;
    font-weight: 700;
    font-size: 16px;
}

/* Canvas panel */
#canvasPanel {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    background: #fff;
}

#pencereCanvas {
    max-width: 100%;
    max-height: 100%;
    border: 1px solid #aaa;
    background: #fefefe;
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
    border-radius: 6px;
}